Missouri Mineral Locality Index
Mark D. Sherwood
No comprehensive list of Missouri mineral occurrences has Been published since Leonhard (1882), updated by Wheeler (1895). The index contained here includes 209 minerals that have been found in Missouri: two of these, fletcherite and starkeyite, were first described from Missouri mines. Even though the index is intended to be a historic compendium of specimen-producing localities, no attempt was made to list all the state’s many mineral-producing properties. For example, minerals known solely from drill cores and those known microscopically as rock-forming minerals have been excluded. The index is not intended to give specific directions to a locality, only the general location for identification. Most of the localities are on private property, so permission from the landowner must be obtained before visiting. Species listed are identified according to accepted names as given by Fleischer and Mandarino (1995).
Localities are listed alphabetically by the most predominant name; subsidiary or obsolete names are included where known. Minerals generally are listed alphabetically. Those that occur in good crystals, are represented by large specimens, are predominant in the deposit, or have high scientific interest appear in UPPERCASE type. Minerals that may be present but are rare, noncrystallized, or microscopic are in lowercase type. Latitude and longitude in degrees, minutes, and seconds for each precisely defined locality or center of an area are included in parentheses. A few of the most useful references for each location are included at the end of each entry.
Chariton River (40-04-05N 92-41-23W), septarian concretions about 2 miles north of the Macon county line. CALCITE crystals enclosing bundles of acicular and minute balls of GOETHITE, earthy hematite, quartz (Broadhead 1873b, 1877).
Mexico, in fire clay pits and spoil piles: PYRITE.
McKarrow’s coal bank (37-37N 94-28W), 2.5 miles northeast of Liberal, and other area coal deposits: PICKERINGITE, pyrite, siderite (Broadhead 1873b).
Panther Creek, northwest of Rockville in coal deposits: CALCITE as both brown and white crystals (Broadhead 1894).
Robinson Branch coal in the Rich Hill. Hume, and Foster vicinity ill coal strip mines: alunogen. MELANTERITE, fluorescent and phosphorescent GYPSUM (Wormington 1957).
Cole Camp (38-22-52N 093-15-39WI. 6.5 miles south of Cole Camp or 4 miles east of Lincoln: GALENA (Winslow 1894).
Adrian’s quarry (38-45-23N 092-13-54W), an agricultural and road limestone quarry between Ashland and Jefferson City on U.S. Highway 63: CALCITE as fine scalenohedra, chalcopyrite, MILLERITE crystals to 50 x 4 mm, MARCASITE to 6 mm, PYRITE (Tucker 1989).
Columbia, in quartz-chalcedony geodes: DICKITE. In Pennsylvanian-age fossil wood: quartz as colorless crystals, some with brown inclusions and skeletal faces.
Columbia brickyard pit, a former clay quarry, below a coal seam: PYRITE (nodules to 5 cm, incorporating the cube, octahedra, and pyritohedron; pyrite after marcasite), copiapite, GYPSUM, melanterite (Jenni 1963).
Cheltenham Formation, in outcrops scattered over northern Boone County: GYPSUM crystals, marcasite, pyrite (Unklesbay 1952).
Finger Lakes State Park (39-04-45N 09219-27W), a former strip mine in Excello Coal north of Columbia on U.S. Highway 63: ARAGONITE, COPIAPITE, GYPSUM, HALOTRICHITE, melanterite, MARCASITE, PYRITE.
Loutre Formation (39-13-54N 092-2506W), a greenish-gray clay in a road cut about 0.2 mile west of Rucker and other area exposures: ALUNOGEN, GYPSUM (Broadhead 1901; Unklesbay 1952).
Tebo Formation, in the northern half of the county: GYP-SUM crystals, melanterite (Unklesbay 1952).
Sugar Creek, in septarian concretions in Pennsylvanian shales along the creek east of Rushville and into northern Platte County and throughout the county: ARAGONITE, CALCITE, CELESTITE, PYRITE, SPHALERITE (Broadhead 1873b: Swartzlow 1935).
Williamsville quarry, a limestone quarry northwest of Poplar Bluff: CALCITE as yellow scalenohedra. DOLOMITE, goethite (limonite), QUARTZ.
Knight bank (38-45-13N 093-03-44W), an iron mine 5 miles southwest of Fulton along Little Auxvasse Creek: hematite (specular and earthy), siderite (Crane 1912).
Portland, in clay in Saltpetre Cave and other area caves: NITER (Leonhard 1882).
Robert Bailey farm, 14 miles east of Auxvasse and 4.5 miles south of Martinsburg: TORBERNITE rosettes and scales on joints in Cheltenham Formation flint fire clay (Keller 1952).
Stinson Creek, in southeast Fulton, as an efflorescence on Cherokee Conglomerate: MENDOZITE, TAMARUGITE (Keller 1935).
Decaturville cryptoexplosive structure (37-53-54N 09242-37) (a cryptoexplosive structure is a possible relict of a meteorite impact), just west of Missouri Highway 5 on the Camden-Laclede county line. The disturbed area, approximately 1 mile in diameter, contains a small granite pegmatite accompanied by a tourmaline-mica schist. Small lead-zinc and marcasite-pyrite deposits occur in the associated limestones: albite, cristobalite, GALENA, glauconite, limonite, MARCASITE, MICROCLINE, muscovite, opal, plagioclase, PYRITE, SPHALERITE, TOURMALINE (schorl?), tridymite (Tarr 1936b).
Pleasant Hill, in soil in creek valley: vivianite as small nodules and crystals (Broadhead 1901). CALCITE as both brown and white crystals associated with coal (Broadhead 1894).
Coal deposits, in numerous area exposures: GYPSUM crystals, siderite in lenticular masses (Leonhard 1882).
Coal measures, in numerous exposures, particularly near Salisbury: GYPSUM crystals (Broadhead 1873c).
James Skeens farm, about 1 mile south of the Iowa state line, south of Farmington, Iowa: GALENA, pyrite, QUARTZ (smoky) (Skeens 1951; Smith 1951).
Warsaw geodes. These are often known as the “Keokuk” geodes for the city of Keokuk, Iowa, just across the Des Moines River. Numerous exposures of the gray Warsaw Shale containing excellent geodes from pea-sized to 1 meter occur, especially in the east half of the county along river bluffs and into the northeast comer of Lewis County. Significant deposits include the Sheffler Rock Shop and Geode Mine at U.S. Highways 61 and 136 west of Alexandria, and at St. Francisville and Fox City, both east of Kahoka on the Fox Riven Numerous other exposures occur, especially along streams and rivers: aragonite, barite, CALCITE, CHALCOPYRITE, DOLOMITE, GOETHITE, GYPSUM, hematite, jarosite, KAOLINITE, malachite, MARCASITE, PYRITE, pyrolusite, QUARTZ, smithsonite, siderite, SPHALERITE (Sinotte 1969). Clusters of cubic pyrite occur in the shale.
Keokuk Formation, brown shale underlying the Warsaw Formation contains cavities and geodes: any of the minerals in the Warsaw geodes, MILLERITE as fine sprays and hairlike masses, and nickel alteration minerals including HONESSITE.
Cameron, as grains, to 45 grams, found in sandstone at 51 feet below the surface while a well was being dug: NATIVE IRON (Allen 1897).
Southwest Cole County mines and numerous small, filled sinkholes near Eugene, Henley, and Hickory Hill (Boaz mine, Old Circle mine, Eureka mine): BARITE, CALCITE, ceressite, chalcopyrite, dolomite, HEMATITE, GALENA, kaolinite, malachite, pyrite, quartz, sphalerite, smithsonite (Broadhead 1873a; Leonhard 1882; Tarr 1918a).
Collins mine (38-59-52N 092-55-56W), 3 miles east-northeast of Blackwater: BARITE, CHALCOPYRITE, goethite (limonite), MALACHITE in drusy cavities in goethite, smithsonite, and sphalerite (Leonhard 1882).
Bleeding Hill mine (38-02-23N 091-09-25W), 10 miles southeast of Bourbon, about 1.4 miles northwest of the Hinch mine: copper, cuprite, goethite (limonite), PYRITE (Grawe 1945).
Cherry Valley Nos. 1 and 2 mines (37-57-01N 091-1545W), 1.5 miles southeast of State Highway 8 and State Route BB, east of Steelville. Largest and most productive of hematite/limonite/iron-sulfide-filled sinkhole structures; mined 1878-1942: allophane, azurite, cacoxenite, chalcanthite, chalcopyrite, copiapite, DOLOMITE, dufrenite (on hematite), galena, goethite (limonite), HEMATITE (crystals, specular, and earthy), malachite, MARCASITE, PYRITE, RUTILE (or goethite?) (as golden needles in quartz), QUARTZ (amethyst, colorless, and milky), sphalerite, szomolnokite (Grawe 1945; Jenni 1953; Hendriks 1954).
Christy mine (38-01-28N 091-05-55W), a filled-sink iron mine 12 miles southeast of Leasburg: GOETHITE (limonite), specular HEMATITE (Crane 1912; Grawe 1945).
Copper Hill mine (38-11-04N 091-06-14W), a filled-sink iron mine 3.5 miles southeast of Sullivan: azurite, BARITE (as grayish or bluish crystals and coated with or included in calcite), CHALCOPYRITE (in balls up to 15 cm, coated with chalcocite, malachite, and azurite), copper (as small scales coated with cuprite), GYPSUM, HEMATITE, botryoidal MALACHITE, MARCASITE, PYRITE, quartz (Crane 1912; Grawe 1945).
Crooked Creek cryptoexplosive structure (37-50-N 9125-W) 2 miles southeast of Wesco, a circular area of disturbed rock about 3 miles in diameter, variously interpreted as a meteorite impact or unemerged volcanic disturbance, probably the former. It contains the Metcalf mine (37-50-32N 091-23-54W), worked for lead and zinc, and the Jonas mine (37-50-25N 09134-01W), worked for barite: BARITE, GALENA, marcasite, pyrite, sphalerite (Kiilsgaard, Heyl, and Brock 1962).
Hinch mine (38-02-19N 091-08-36W), a filled-sink iron deposit near Hinch, 10 miles southeast of Bourbon: COPPER (native), cuprite, LIMONITE, HEMATITE, MALACHITE, MARCASITE (Grawe 1945).
Hobo mine (39-05-59N 091-11-34W), a filled-sink iron deposit 5.5 miles southeast of Bourbon: asbolane, chalcanthite, CHALCOPYRITE, HEMATITE, malachite, MARCASITE as the principal ore, melanterite, PYRITE (Grawe 1945).
Iron Ridge mine (38-07-46N 091-24-54W), a filled-sink iron deposit 4.5 miles northwest of Cuba: earthy and specular HEMATITE, clear QUARTZ crystals lining cavities (Grawe 1945).
Mullen mine (38-02-36N 091-18-45W), a filled-sink iron deposit 3 miles south of Leasburg: cuprite, goethite (stalactitic limonite), MALACHITE, PYRITE (Grawe 1945).
Powell prospect (37-56-36N 091-31-08W), a filled-sink iron deposit 8 miles southeast of St. James or 1 mile southeast of Meramec Iron Furnace: brochantite, CALCITE, chalcopyrite, HEMATITE, marcasite (as crude crystals in calcite), pyrite, QUARTZ crystals lining cavities in the hematite (Grawe 1945).
Scotia No. 1 mine (38-02-15N 091-11-42W), a filled-sink hematite deposit 1.5 miles northeast of Scotia: azurite, GOETHITE crystals in quartz, HEMATITE as iridescent crystals, malachite, pyrite, QUARTZ (citrine to 2.5 cm and colorless crystals) (Leonhard 1882; Grawe 1945).
Scotia No. 2 mine (38-04-06N 91-08-52W), a filled-sink iron deposit 8.5 miles southeast of Bourbon or 0.5 mile northeast of Hinch: HEMATITE (specular, crystals, and stalactites to 2.5 cm diameter with an axial tube lined with hematite crystals), goethite (limonite), pyrite (Grawe 1945).
Viburnum No. 27 mine (37-44-55N 091-07-39W), an operating New Lead Belt mine 2 miles north of Viburnum, formerly owned by St. Joe Lead and currently owned by the Doe Run Company: CALCITE, CHALCOPYRITE, dolomite, octahedral GALENA, MARCASITE, polydymite, PYRITE, siegenire, SPHALERITE (Grundmann 1977).
Zane mine (38-01-05N 091-19-08W), a filled-sink iron mine 4 miles northeast of Steelville: CALCITE, HEMATITE (earthy, specular, and crystals), MARCASITE, PYRITE (Grawe 1945).
Dadeville, an outlying deposit related to the Tri-State district, consists of two distinct areas of mining, the “New Mines” (37-28-29N 093-44-20W) and the “Old Mines” (37-25-17N 093-41-43W) southwest of Dadeville: GALENA, HEMIMORPHITE, SMITHSONITE, SPHALERITE (Leonhard 1882).
Grindstone Creek area in coal measures northwest of Cameron: CALCITE as both white and brown crystals (Broadhead 1894).
Hawkins mine (37-46-13N 091-33-27W), an oxidized filled-sink iron deposit 8 miles north of Salem: goethite, HEMATITE pseudomorphs after pyrite (Grawe 1945).
Simmons Mountain (37-38-16N 091-33-08W), a filled-sink deposit just southwest of Salem: HEMATITE (massive and as crystals in drusy cavities on quartz in specular ore), QUARTZ crystals (Crane 1912).
Copper Hollow mine (38-14-19N 91-05-38W) (Stanton copper mine), 3 miles northeast of Sullivan, a filled-sink iron deposit with accessory chalcopyrite and secondary copper minerals: chalcocite, CHALCOPYRITE, native COPPER, CUPRITE (chalcotrichite), HEMATITE, malachite (Leonhard 1882; Grawe 1945).
Duckworth mine (38-20-54N 091-01-40W), a filled-sink iron deposit 2 miles west of St. Clair: HEMATITE, MALACHITE as radial crystal sprays, MARCASITE, PYRITE (Grawe 1945).
Franklin County lead district, includes several small lead mines, worked 1830-1900, such as the Cove, Darby’s, Evans, Golconda, Mount Hope, Short Lode, and Virginia in the area surrounding St. Clair: ANGLESITE (as fine crystals on galena), BARITE (some blue), CALCITE, CERUSSITE, GALENA, minium, pyrite, SMITHSONITE, sphalerite (Leonhard 1882).
Gerald (38-20-07N 091-17-12W), a fire clay pit, 2 miles southeast of Gerald: barite, calcite, chalcopyrite, goethite (limonite), METATORBERNITE as thin plates to 1-2 mm across on joint surfaces in the fire clay (Muilenberg 1957).
Highway 185 and Meremac River (38-12-26N 091-0538W), a limestone outcrop: DOLOMITE, GOETHITE (after marcasite and pyrite), limonite.
Kelsey mine (Anaconda, Beulah, and Pickles shafts) (3817-15N 091-04-46W), a filled-sink iron mine 2 miles northeast of Stanton: BARITE, GOETHITE, MARCASITE, PYRITE (Grawe 1945).
Leslie mine (38-22-53N 091-14-53W), a filled-sink iron mine 2.5 miles southwest of Leslie: ANKERITE, CALCITE, chalcanthite, HEMATITE, MARCASITE to 1 cm, PYRITE, colorless and amethyst QUARTZ (Crane 1912; Grawe 1945).
Meremac Caverns, 2.5 miles south of Stanton: BARITE crystals, calcite (onyx).
Rueppele copper mine (38-16-47N 091-07-39W), a filled-sink iron deposit 1 mile west of Stanton: azurite, BARITE, BROCHANTITE, copiapite, native COPPER, CUPRITE (chalcotrichite), GYPSUM, halloysite, specular HEMATITE, MALACHITE, melanterite and cuprian melanterite (pisanite), PYRITE, QUARTZ (Grawe 1945).
Rueppele iron mine (Acid mine) (38-16-15N 091-08-27W), a filled-sink iron mine 2 miles northwest of Stanton, operated 1917-1943: copiapite, GOETHITE, iridescent HEMATITE crystals, plumose and botryoidal MARCASITE, melanterite, PYRITE, QUARTZ (amethyst to 15 mm across), siderite (Grawe 1945; Boente 1953).
St. Clair mine (38-20-54N 091-01-40W), a filled-sink iron mine 2 miles west of St. Clair, adjacent to the Duckworth mine: chalcanthite, copiapite, HEMATITE, MARCASITE, melanterite, PYRITE (Grawe 1945).
Silver Hollow mine (38-1338N 091-03-50W), a filled-sink iron mine 4.5 miles east of Sullivan: HEMATITE, botryoidal MALACHITE, QUARTZ (Grawe 1945).
Thurmond mine (38-17-12N 091-05-35W), a filled-sink iron deposit about 6.5 miles southwest of St. Clair or about 1 mile west of the Kelsey mine: tabular AZURITE to 10 mm, GOETHITE (limonite), MALACHITE (Grawe 1945).
Ash Grove-Everton mines, a group of small surface mines, operated about 1870-1940, from Ash Grove, Greene County to Everton, Dade County: CERUS SITE, GALENA, HEMIMORPHITE, SPHALERITE (Wharton 1985).
Brookline mining district (37-10-N 093-19W), south of 144 on Missouri Route MM at Brookline: GALENA, HEMIMORPHITE, sphalerite (Wharton 1985).
King’s Butte (37-23-25N 093-19-50W), a small, 0 exposure of Compton Limestone on a hilltop 3 miles south of Brighton: GOETHITE and PYRITE replacing fossils, as cubes and pyritohedra, pyritohedra with oriented marcasite, and goethite/pyrite pseudomorphs of Maltese-cross twins of marcasite (Ellis 1947; Hood 1962).
Pierson Creek mining district (37-10-N 093-14-W), outlying deposits of the Tri-State district, worked about 1844-1916 and located east of U.S. 65 and Sunshine Street., along Pierson Creek in Springfield: GALENA, SPHALERITE (Smith and Standley 1903; Thompson and Robertson 1993).
Grand River, at Gilkerson Ford in clay iron-ore concretions in coal measures: alunogen, SPHALERITE, siderite (Broadhead 1873b; Leonhard 1882).
Tightwad, in shale in coal mines near Tightwad: cubic PYRITE clusters to 5 cm.
Warsaw quarry, at Warsaw: CALCITE, dolomite, marcasite, PYRITE.
Becks’s Cave, near Cross Timbers: CALCITE scalenohedra to 15 cm.
Peterson mine (37-55-33N 093-16-08W), between Hermitage and Preston: GALENA, SPHALERITE.
Pittsburg mines (37-49-16N 093-18-24W), district 2 miles south of Pittsburg, includes the Big Ten and Little Bachelor mines: SPHALERITE.
Weaubleau, in a gray clay near a coal seam about 5 miles from Weaubleau: Native IRON as hackly masses up to a few grams in weight (Allen 1897).
Mineral Springs, as crusts at the edges of mineral springs, especially in dry weather: HALITE (Leonhard 1882).
Laswell mine (36-43-28N 09151-24W), near Summit Avenue and Canterbury Avenue in West Plains: MARCASITE, PYRITE, SMITHSONITE, SPHALERITE (Grawe 1945).
Annapolis mine (37-22-00N 090-42-00W), 1.4 miles east of Annapolis: GALENA.
Annapolis Roofing Granule Plant (37-21-05N 090-42-06W), a large quarry in rhyolite porphyry 0.7 mile south of Annapolis: feldspar, quartz, PIEMONTITE as radiating sprays of needles in joints in rhyolite (Keller 1948).
Bellview, 5 miles southwest: asbestiform ACTINOLITE (Dake 1930).
Black River Boss (37-37-06N 090-47-40W), in an igneous dike structure 6.5 miles west-southwest of Graniteville and in nearby soils: EPIDOTE (Haworth 1894).
Buick mine (37-35-00N 091-10-00W) (Moloc mine), an operating New Lead Belt mine about 4 miles south of Bixby, opened in 1969, formerly owned by the Amax-Homestake Company, now by the Doe Run Company: anilite, arsenopyrite, bornite, CALCITE, CHALCOPYRITE, dickite, DOLOMITE, erythrite, GALENA crystals to 1 foot, kaolinite, MARCASITE, POLYDYMITE, PYRITE (as cubic crystals, rectangular “bar” pyrite, and bravoite), pyrrhotite, QUARTZ, SIEGENITE as sharp crystals to 6 mm, SPHALERITE, vaesite, wurtzite mixed with sphalerite (schalenblende) (Rogers and Davis 1977; Le Font 1984; Lasmanis 1989; Weinrich 1992).
Crane Mountain South (37-34-N 90-38-W), along the southwest face in cliffs in Precambrian trachyte porphyry as vein fillings: chlorite, clinozoisite, EPIDOTE, HEMATITE, MUSCOVITE (sericite), QUARTZ.
Cuthbertson Mountain mine (37-32-22N 090-39-03W) (Marble Creek mine), on the south side of Cuthbertson Mountain; best known and oldest of the Missouri Manganese district mines; located at the contact between Precambrian rhyolite porphry and overlying sedimentary deposits: HEMATITE, PYROLUSITE, PSILOMELANE, WAD (Grawe 1943).
Ketcherside Gap (37-30-N 090-39-W), northeast of Hogan, on the east side of Ketcherside Mountain, in tuff: ANDRADITE as reddish-brown, complex crystals to 1 cm.
Magmont mine (37-38-22N 09107-21W), 1.5 miles south of Bixby; was opened in 1962 and is an operating New Lead Belt mine; previously owned by Cominco American and Dresser Industries but recently purchased by the Doe Run Company: arsenopyrite, bornite, CALCITE, carrollite (nickelian), CHALCOPYRITE, DOLOMITE, dickite, enargite, GALENA, gersdorffite, luzonite, magnetite, MARCASITE, melanterite-rozenite, MILLERITE, POLYDYMITE (pseudomorphs after millerite), PYRITE, QUARTZ (drusy), SIEGENITE, SPHALERITE, tennantite, vaesite (Hagni and Trancynger 1977; Lasmanis 1989; Weinrich 1992).
Pilot Knob (surface mine) (37-3709N 090-38-00W), 1 mile east of the town of Pilot Knob on top of Pilot Knob Mountain, a Precambrian hematite-magnetite deposit, mined 1815-1892 and, more recently, quarried for rhyolite gravel: ACTINOLITE, BARITE, CALCITE, epidote, feldspar, fluorite, specular HEMATITE, lazulite (as microscopic crystals in serpentine), MAGNETITE (as small crystals in serpentine), molybdenite, titanite, zoisite (Leonhard 1882; Wheeler 1895; Crane 1912; Kisvarsanyi, Hebrank, and Ryan 1981).
Pilot Knob mine (37-37-08N 090-37-56W), just west of the surface outcrop, at the foot of Pilot Knob Mountain; underground deposit mined from 1957-1980: BARITE, CALCITE, CHALCOPYRITE, DOLOMITE, FLUORITE, GALENA, goethite, HEMATITE, lazulite, MAGNETITE, PYRITE, QUARTZ, serpentine, talc.
Schnieder’s granite quarry (37-40-06N 90-41-36W), about 1 mile northwest of Graniteville, contains a granite pegmatite: anglesite, BARITE, chlorite, FLUORITE, hematite, GALENA, gypsum, goethite (limonite), melanterite, PYRITE, SAPONITE (Tarr 1932).
Sheahan quarry (37-38-59N 90-41-22W), contains a pegmatite in the Graniteville Granite, about 0.5 mile west of Graniteville: ALBITE in crystals to near 2.5 cm, apatite, BERYL as prisms to 5 cm, BIOTITE, calcite, cassiterite, chalcopyrite, chlorite, EPIDOTE, FELDSPAR, FLUORITE, galena, hematite, magnetite, MICROCLINE, molybdenite, MUSCOVITE as books and sericite, ORTHOCLASE, pyrite, smoky QUARTZ, futile, topaz, zircon (Tolman and Goldich 1935).
Shephard Mountain (37-36-25N 090-38-56W), immediately west of the town of Pilot Knob, just west of the summit; ore is similar to Pilot Knob and was mined as early as 1815: FLUORITE crystals, HEMATITE (as dull blue or black crystalline masses mixed with magnetite), kaolinite, MAGNETITE, pyrite, quartz as small crystals lining cavities (Crane 1912).
Viburnum No. 28 mine (37-42-48N 091-06-59W), at Viburnum, a New Lead Belt mine formerly owned by St. Joe Lead Company, now by the Doe Run Company: CALCITE, CHALCOPYRITE, dolomite, GALENA, MARCASITE, QUARTZ, SPHALERITE.
Viburnum (Casteel) No. 35 mine (37-39-35N 09107-36W), a New Lead Belt mine located 0.3 mile west of Bixby, formerly owned by St. Joe Lead Company, now by the Doe Run Company: CALCITE, CHALCOPYRITE, DOLOMITE, GALENA, QUARTZ.
Jackson County contains downtown Kansas City, Missouri. Labeling here should be carefully considered, since there is a Kansas City in Missouri and one in Kansas. Kansas City, Missouri, is actually in four counties: Jackson, Clay, Platte, and Cass.
McClain quarry (39-00-42N 094-29-17W), at 63d Street and U.S. Highway 350 in the Westerville Limestone: BARITE as tan tabular crystals to 2.5 cm, CALCITE, MARCASITE.
Westerville Limestone, in numerous exposures, especially in the southwestern quarter of the county and in underground quarries–Kansas City has more than any other metropolitan area in the country: ARAGONITE, BARITE, CALCITE, DOLOMITE, halite, kutnohorite, OPAL (common), SPHALERITE, thenardite.
Tri-State district. Most of the lead-zinc mining in southwest Missouri was in the western half of Jasper County, with mining beginning in about 1850 and lasting into the 19508. The principal areas were the Oronogo-Duenweg-Webb City-Carterville, Joplin, and Waco districts. The majority of the mineral specimens collected in this area are usually labeled merely as “Joplin” or “Joplin district,” without distinguishing the specific mine. Specimens labeled “Tri-State district” may be from outside Missouri, since the the mineralized area extends to Galena, Treece, and Baxter Springs, Kansas; and Picher, Oklahoma. The deposits are of the low-temperature hydrothermal, Mississippi Valley-type, similar to deposits in the Illinois-Iowa-Wisconsin Upper Mississippi Valley district, Old and New Lead Belts, and Elmwood, Tennessee. Small outlying deposits occur all over the southwestern quarter of Missouri. The Tri-State deposits typically occur in a distinctive chert breccia with microscopic drusy quartz crystals, known as “jasperoid,” lining the abundant large vugs and fissures. The largest vug known, Crystal Cave, lies under 4th Street and Gray Avenue in Joplin. It measures from 10-25 feet high, 20–40 feet wide, and about 225 feet long and is lined with scalenohedral and barrel calcite crystals to nearly 35 cm long. It was operated as a tourist cave for many years. These deposits are also characterized by an abundance of large crystals, especially of calcite, galena, and sphalerite: allophane, aluminite, ANGLESITE, apatite, aragonite, aurichalcite, azurite, barite, bornite, CALCITE crystals to over 1 meter, caledonite, CERUSSITE, chalcanthite, CHALCOPYRITE, chrysocolla, copiapite, covellite, cuprite, diadochite, DOLOMITE, ENARGITE, epsomite, GALENA crystals to 0.6 meter, glauconite, goethite, GOSLARITE, greenockite, GYPSUM, hematite, HEMIMORPHITE, hydrozincite, jarosite, kaolinite, lanarkite, LEADHILLITE, linarite, luzonite, malachite, MARCASITE, MELANTERITE, millerite, mimetite, picropharmacolite, plumbojarosite, PYRITE, pyrolusite, PYROMORPHITE, QUARTZ, SMITHSONITE, SPHALERITE, starkeyite, sulfur, szomolnokite, vivianite, wavellite, wurtzite (Wheeler 1895; Smith 1903; Ritchie 1986; Soule 1994).
Arnold (38-24-05N 090-23-03W), 1 mile south Richardson Road on the west side of I-55, in geodes: CALCITE, DOLOMITE, MARCASITE, PYRITE, SPHALERITE.
Barnhart (38-20-29N 090-23-52W), 0.5 mile north of Highway M on I-55: phosphate pebbles, PYRITE.
De Soto (38-04-47N 090-29-09W), 4 miles south of Missouri Route 110 on Missouri Route 67: multicolored fluorescent CALCITE (Isslieb 1957).
Mammoth-Frumet mines (38-06-29N 090-38-37W), at Frumet: BARITE, CALCITE (as sharp, green, double refractive crystals), CHALCOPYRITE, DOLOMITE, GALENA, GYPSUM, PYRITE, QUARTZ (botryoidal and drusy), SPHALERITE (Broadhead 1901).
Palmer mines, east of Palmer: ANGLESITE, CALCITE, CERUSSITE, dolomite, GALENA, goethite, hemimorphite, plumbogummite, PYRITE, QUARTZ, sphalerite (Leonhard 1882).
Southwest Jefferson County barite and lead district (3800-N 090-36-W), 2 miles south of Blackwell: BARITE, GALENA, goethite, PYRITE, QUARTZ (drusy).
Valles Mines district (38-01-N 090-30-W) at Valles Mines: ANGLESITE, BARITE, CALCITE as large crystals, CERUSSITE (as fine crystals in cavities in galena), GALENA, goethite, HEMIMORPHITE, hydrozincite, PYRITE, QUARTZ (drusy), SMITHSONITE (botryoidal masses), sphalerite (Leonhard 1882).
Holden, associated with a gray clay in a coal seam: native IRON (Allen 1895); along Walnut Creek in ironstone concretions in shales overlying coal: SPHALERITE (Broadhead 1873b).
Knob Noster, in coal measures shale and again about 6 miles north: GYPSUM, pyrite, siderite (Leonhard 1882).
Kelly Lime-Rock quarry (39-58-52N 091-59-18W), 1 mile southwest of Newark in Burlington Limestone: CALCITE, CHALCOPYRITE, goethite, malachite, PYRITE, QUARTZ.
Lexington area coal mines and in joints in limestone: ARAGONITE crystals, GYPSUM, pyrite, SPHALERITE (Leonhard 1882; Broadhead 1894).
Aurora mining district (36-54-N 094-16-W), a satellite of the Tri-State district and including the Red Wasp, Arrow, and other mines at the northeast edge of Aurora, in an area of about 2 square miles, mined 1886-1951: calcite, galena, HEMIMORPHITE, marcasite, pyrite, SMITHSONITE, SPHALERITE.
Stotts City district (37-06-N 093-57-W), just west of Stotts City, a small district very similar to the Granby deposits, mined 1888-1945: GALENA, HEMIMORPHITE.
Evans coal mine (40-07-47N 091-53-35W), an isolated open-pit coal mine 1.5 miles northeast of La Belle: CHALCOPYRITE, GYPSUM, PYRITE, sphalerite.
Durham (39-59-N 091-37-W), 3 miles east, in geodes in Keokuk Shale along the North Fabius River and nearby streams: ARAGONITE, CALCITE, CHALCOPYRITE, goethite, HONESSITE, malachite, MILLERITE, PYRITE, QUARTZ, SPHALERITE, SZOMOLNOKITE.
La Grange road cut (40-03-52N 091-31-42W), 1 mile north of the Missouri Route C–La Grange exit on U.S. Highway 61. Vugs, similar to Keokuk Formation geodes, nearly without shells, contain: ARAGONITE, CALCITE, CHALCOPYRITE, DOLOMITE, GALENA, KAOLINITE, MALACHITE, QUARTZ, SPHALERITE, smithsonite (Buchholz 1995).
La Grange quarry (40-02-01N 091-30-09W), at the south edge of La Grange: CALCITE, FLUORITE (as small, purple, cubic crystals), PYRITE.
Watson quarry (39-01-26N 090-57-58W), north of Troy: CALCITE, chalcopyrite, malachite, marcasite, MILLERITE and nickel alteration minerals, PYRITE, quartz, sphalerite (Dick 1958a).
Avalon, south of Chillicothe, on a small hill in an open field: clam fossils replaced by dark red HEMATITE.
Alluvial deposits throughout Macon County contain traces of gold. Sufficient gold was recovered by panning that a minor gold rush occurred in Macon County in 1875. Many neighboring counties in the glaciated zone north of the Missouri River also have traces of alluvial gold (Gentile 1967).
Bee-Ver mine, a Peabody Coal Company mine southeast of Bevier, and other area coal deposits: COPIAPITE, GYPSUM, halotrichite, melanterite, QUARTZ with goethite, pyrite (Leonhard 1882; Gentile 1967).
Fredericktown lead district (Old Lead Belt) includes Mine LaMotte, St. Louis Smelting and Refining, Park City Consolidated Mines Company, Fredericktown Lead Company, Catherine mines, Madison mine (Missouri Cobalt Company), Ozark lead mine, Hickory Nut mine, and others, all within 5 miles of Fredericktown: ANGLESITE, annabergite, aragonite, asbolane, azurite, bieberite, brochantite, caledonite(?), CALCITE as large scalenohedra, CARROLLITE (nickelian), CERUSSITE, CHALCANTHITE, chalcocite, chalcopyrite, copiapite, dickite, DOLOMITE, GALENA, GLAUCONITE, goethite (limonite), greigite, gypsum, linnaeite, MALACHITE, MARCASITE, millerite, morenosite(?), plumbogummite(?), PYRITE (and bravoite), QUARTZ, SIEGENITE crystals to 1 cm, smithsonite, sphalerite, skutterudite, tetrahedrite (Leonhard 1882; Tarr 1921a; Tarr 1927; Grawe 1945; Kidwell 1946d; McCormick 1993).
Rock Pile Mountain (37-26-N 090-25-W), on the north side, in diabase, 4.5 miles east of French Mills on Captain Creek: asbestiform ACTINOLITE, EPIDOTE (in seams in the dike rock and as crystals loose in soil), ORTHOCLASE crystals to 1.5 cm (Haworth 1894; Dake 1930).
Rhodes Mountain (37-32-N 090-24-W), on the east slope near the St. Francois River:asbestiform ACTINOLITE, EPIDOTE (Dake 1930).
Silver Mines district (37-32-N 090-29-W), 1 mile west of Fredericktown, on the St. Francois River, contains the Einstein mine (Koch shaft), Apex mine, Gabriel shaft, Henson shaft, Ozark mine, Martin mine, and Killian prospect. The district exploits the unique mineralogy, for Missouri, of high-temperature quartz veins cutting the Silvermines Granite. The deposits were worked from about 1877 to 1894 for argentiferous galena and from 1916 to 1946 for tungsten: albite, almandine, antimonpearceite, apatite, ARSENOPYRITE, augite, berryite, BIOTITE, cassiterite, chalcopyrite, chlorite, covellite, epidote, ferritungstite, fluorite, GALENA (argentian), gorceixite, hausmannite, hematite, hornblende, hubnerite, ilmenite, magnetite, malachite, marcasite, MUSCOVITE (sericite), psilomelane, pyrite, pyrrhotite, QUARTZ, RUTILE, SCHEELITE, serpentine, sphalerite, stibnite, STOLZITE, tennantite, TOPAZ, WOLFRAMITE, ZINNWALDITE (Tarr 1921b; Singewald and Milton 1929; Tolman 1933; Kidwell 1946a; Hagni 1984; Taylor, Smith, and Ahler 1984).
Starkey mine (37-38-59N 090-11-47W), 3 miles north of Marquand: GOETHITE (limonite), MARCASITE, PYRITE, STARKEYITE (type locality) as a white efflorescence on decomposing pyrite on the dump (Grawe 1945).
Wesley Chapel, just west and 4 miles southwest of Fredericktown: BIOTITE in granite (Haworth 1894).
Boulware Cave (38-0107N 091-58-45W), in this and other area caves: niter (Leonhard 1882).
Copper mine (38-14-11N 091-52-58W), 4 miles northeast of Vienna; a filled-sink iron deposit: chalcopyrite, HEMATITE, spectacular MARCASITE crystals, PYRITE (Grawe 1945).
Abbot Bank mine (38-0626N 092-14-07W), a filled-sink iron mine about 3 miles northeast of Iberia: MALACHITE in drusy cavities in goethite (limonite) (Leonhard 1882).
Bolin Creek mine (38-0624N 092-14-20W), a filled-sink iron mine on the south side of Bolin Creek and 3.5 miles northeast of Iberia: CALCITE, HEMATITE, pyrite, QUARTZ (Grawe 1945).
Eldon district, contains many small, related mines about 5 miles south and southeast of Eldon: azurite, BARITE, CALCITE, CHALCOPYRITE, cerussite, DOLOMITE, GALENA, goethite (limonite), GYPSUM, malachite, MARCASITE, PYRITE, smithsonite, SPHALERITE, wad.
Pioneer No. 2 mine, 6 miles northeast of Iberia: BARITE, CALCITE, GALENA, HEMATITE, QUARTZ (Grawe 1945).
Sample mine (38-11-N 92-20-W), a filled-sink iron mine 3 miles south of Capps: azurite, GOETHITE (pipestem limonite), malachite, marcasite, PYRITE (Ball and Smith 1903).
California area, and throughout the county in scattered, small filled-sink deposits: BARITE, GALENA.
Paris (39-27-32N 091-51-55W), along the north side of Missouri Highway 154, 5 miles east of Paris in a road cut: COPIAPITE, GYPSUM, HALOTRICHITE, MARCASITE.
McClain quarry (38-54-13N 091-32-16W), an agricultural limestone and road-rock quarry south of 1-70 at the Danville exit: CALCITE, DOLOMITE, MILLERITE, PYRITE.
Barite/lead deposits, mostly small open pits or cuts in Morgan County and neighboring counties: BARITE, CALCITE, cerussite, CHALCOPYRITE, DOLOMITE, GALENA, GOETHITE (limonite), gypsum, hemimorphite, malachite, QUARTZ, PYRITE, smithsonite, sphalerite (Marbut 1907; Mather 1946).
Bluff Springs zinc mine (38-35-45N 092-5137W), 6 miles east of Florence: CALCITE, SPHALERITE (Marbut 1907; Mather 1946).
Buckshot barite mine (38-20-02N 092-53-18W), 4 miles northwest of Gravois Mills: BARITE (as colorless crystals to 15 cm on massive barite), calcite, CHALCOPYRITE, GALENA (as rough crystals in the barite), malachite (Kidwell 1946b; Kamp 1951; Prior 1990, 1996; Smith 1991).
Carver mine (38-32-12N 092-56-08W), 4 miles southeast of Florence: BARITE, GALENA, SPHALERITE, PYRITE (Mather 1946).
Charles Hibdon mines (38-16-43N 092-52-17W), 2 miles southwest of Gravois Mills: BARITE as clear to milky crystals (Mather 1946; Prior 1996).
Drybone mine (38-1737N 092-53-00W), 3 miles southwest of Gravois Mills: BARITE (crystals and crested), GOETHITE (limonite), marcasite, pyrite (Mather 1946; Prior 1996).
Hoard mine (38-19-43N 092-54-41W), 5 miles northwest of Gravois Mills: BARITE as transparent crystals, GALENA, goethite (limonite), malachite (Mather 1946; Prior 1996).
Lamb mine (37-17-33N 092-52-02W), 2 miles southwest of Gravois Mills: BARITE (as transparent to milky bladed and tabular crystals, probably the most transparent from Missouri), CALCITE, GALENA (Mather 1946; Prior 1991, 1996).
Newell mine (38-19-35N 092-54-11W), 3 miles northwest of Gravois Mills: BARITE, GOETHITE after marcasite (Mather 1946; Prior 1996).
Proctor Creek mines (38-15-44N 092-52-07W), 5 miles southwest of Gravois Mills: BARITE (as clear to milky crystals with bluish interiors and white tips that may represent partial replacement of the barite by mascagnite), CALCITE (Mather 1946; Prior 1996).
Reavis (Hubbard) mine (38-19-29N 092-5207W), 2 miles northwest of Gravois Mills: BARITE, GALENA (Mather 1946).
Stover area, in small deposits: blue BARITE crystals.
Whorten mines (38-22-10N 092-55-33W), 5 miles southwest of Versailles: BARITE, GALENA, SPHALERITE (Mather 1946).
Boulder City (36-47-27N 094-13-55W), 1 mile southeast of Boulder City, along Indian Creek: drusy and smoky QUARTZ with individual crystals to 2.5 cm (Patterson 1947; Wormington 1954).
Tri-State district. A major extension of the TriState mining district occurs in Newton County, particularly around Granby, Stark City, and Wentworth; mined 1850-1904. These deposits are nearer the surface and more oxidized than in Jasper County: anglesite, ARAGONITE, AURICHALCITE, CALCITE, CERUSSITE, covellite, DOLOMITE, enargite, epsomite, GALENA, glauconite, goethite, goslarite, greenockite, hematite, HEMIMORPHITE as a principal ore, hydrozincite, kaolinite, LEADHILLITE, malachite, marcasite, mimetite, pyrite, pyrolusite, PYROMORPHITE in sufficient quantity to be milled as a lead ore, SIDERITE, SMITHSONITE as a principal ore, SPHALERITE (Leonhard 1882; Wheeler 1895; Buckley and Buehler 1906; Keller 1940; Patterson 1948).
Dog Creek, along the creek in calcite veins in limestone: calcite, SPHALERITE enclosed in calcite (Broadhead 1873b; Leonhard 1882).
Fire clay, in diaspore clay deposits: diaspore, gibbsite, KAOLINITE, NATIVE COPPER.
Meta mine (8-17-41N 092-10-23W), a filled-sink iron deposit about 1 mile southwest of Meta: CALCITE, HEMATITE, amethyst and colorless QUARTZ, sphalerite (Grawe 1945).
Alice zinc mine (36-35-35N 092-07-20W), an open-pit mine 5 miles north of Bakersfield and 2 miles southeast of Elijah: DOLOMITE, goethite (limonite), greenockite, PYRITE, quartz, SMITHSONITE, SPHALERITE (Kidwell 1946c).
Higdon mine (37-35-30N 090-10-30W), at the Madison-Perry county line, 1.5 miles northeast of Higdon; a partially developed outlying deposit of the Old Lead Belt, formerly owned by National Lead Company, then Bunker Hill and N L Industries, and now the Doe Run Company: CHALCOPYRITE, DOLOMITE, GALENA, SIEGENITE, SPHALERITE.
Dick Turner farm, 5 miles northeast of Green Ridge: GOETHITE pseudomorphs after marcasite.
Smithton, between Smithton and Sedalia: BARITE, blue crystals banded with white mascagnite (Wheeler 1895).
Buckland mine (37-54-41N 091-50-04W), a filled-sink iron mine 4 miles southwest of Rolls: ANKERITE, CALCITE, chalcanthite, copiapite, DOLOMITE, kaolinite, MARCASITE, PYRITE, QUARTZ (amethyst) (Crane 1912).
Crisp mine (37-59-23N 09134-32W), a filled-sink iron mine 2 miles southeast of St. James: azurite, HEMATITE, LIMONITE, malachite (Grawe 1945).
DeCamp mine (37-53-03N 091-36-19W), a filled-sink iron mine 8 miles south of St. James: azurite, goethite, HEMATITE (earthy and specular), malachite, MARCASITE, QUARTZ (Crane 1912).
Flat Rock mine (37-37-25N 091-37-29W), a filled-sink iron mine 3.5 miles south of St. James: AZURITE, HEMATITE, malachite, PYRITE (Grawe 1945).
Maramec mine (37-57-30N 091-32-21W), a filled-sink iron mine, 7 miles southeast of St. James or 0.5 mile west of the Maramec Iron Furnace: HEMATITE, goethite, QUARTZ, SIDERITE (Leonhard 1882; Crane 1912; Grawe 1945).
Moselle No. 9 mine (37-58-44N 091-36-12W), a filled-sink iron mine about 9 miles southwest of Rolls: arsenopyrite, CHALCOPYRITE, HEMATITE, PYRITE, QUARTZ (amethyst) (Grawe 1945; Castile 1954).
Moselle No. 10 mine (37-50-04N 091-49-40W), a filled-sink iron mine 9 miles southwest of Rolls: AZURITE, chalcanthite, chalcopyrite, copiapite, copper, goethite (earthy), halloysite, HEMATITE (crystals to 6 mm and enclosed in quartz crystals), MALACHITE (botryoidal), marcasite, melanterite, PYRITE, QUARTZ (colorless, yellow, and amethyst), (Crane 1912; Grawe 1945; Lasmanis 1959).
Rolla, in an agricultural limestone quarry: BARITE, CALCITE, marcasite, pyrite.
Smith bank (37-48-22N 091-34-48W), 1.5 miles east of Seaton: HEMATITE as hollow stalactites covered with bright crystals (Leonhard 1882).
Stimson mine (37-50-52N 091-34-26W), a former filled-sink iron mine 9 miles southeast of St. James: HEMATITE, MALACHITE (Crane 1912).
Clarksville (39-24-06N 090-58-27), 4.5 miles north of Clarksville on Missouri Highway 79: GYPSUM (as complex twin crystals in the form of Christmas trees to 8 cm), goethite after cubic pyrite.
Platte City, in several limestone quarries: BARITE, CALCITE.
Coal measures shale in coal mines and exposures throughout the county: pyrite, GYPSUM crystals.
Atlas cement quarry (39-40-16N 091-19-40W), south of Hannibal: MARCASITE, PYRITE.
Clarence Cannon dam (39-31-29N 09138-42W), near the base of the dam, found during construction: PYRITE as clusters of curved cubic crystals.
Saverton (39-38-45N 091-17-20W), along Missouri Highway 79 about 1 mile north of Saverton turnoff: PYRITE, GOETHITE after PYRITE.
Coal deposits, in the western half of the county: COPIAPITE, GYPSUM, HALOTRICHITE, melanterite, PYRITE, QUARTZ (colorless and citrine) (Gentile 1967).
Darksville (39-34-20N 092-34-10W), in Excello Shale 2 miles north in a road cut, east of Missouri Route C: GYPSUM, sharp, blocky crystals to 5 cm.
Stanwyck, in limestones and shales associated with coal deposits: BARITE crystals (Broadhead 1894).
Bell Mountain (37-30-N 090-49-W), 5 miles north of Missouri Highway 49 on Missouri Route U in outcrops of Bell Mountain Rhyolite, lithophysae contain: feldspar, FLUORITE, HEMATITE as microcrystals, quartz (Kisvasanyi, Hebrank, and Ryan 1981).
Brushy Creek mine (37-33-00N 091-08-45W), 2.5 miles west of Oates, an operating New Lead Belt mine, opened in 1973 by St. Joe Minerals, now owned by the Doe Run Company: CALCITE (as phantom crystals outlined by marcasite and pyrite), CHALCOPYRITE, dickite, DOLOMITE, GALENA (cubes, octahedra, and spinel twins), MARCASITE, PYRITE, SPHALERITE, wurtzite (schalenblende) (Evans 1977; Conroy 1992).
Fletcher mine (37-27-59N 091-07-00W), 4 miles east of Bunker, a New Lead Belt mine first mined in 1958; formerly owned by St. Joe Lead (shafts 30 and 31), now by the Doe Run Company: bornite, CALCITE, CHALCOPYRITE, covellite, dickite, digenite, DOLOMITE, FLETCHERITE (type locality), GALENA, gersdorffite, MARCASITE, PYRITE, SIEGENITE, SPHALERITE, tetrahedrite, vaesite, wurtzite (schalenblende) (Paarberg and Evans 1977; Craig and Carpenter 1977).
J. C. Miller prospect, a manganese deposit on Lee Mountain 3 miles north of Lesterville: MUSCOVITE (sericite), WAD (Grawe 1943).
Johnson Shut-Ins State Park (37-32-N 90-50-W), in a dike at the waterfalls on the east fork of the Black River: brown to greenish-brown to black ANDRADITE as distorted dodecahedra to 8 mm (Haworth 1894).
Sweetwater mine (3721-34N 091-08-55W) (Milliken mine, Adair Creek mine, or Ozark Lead Company), a New Lead Belt mine, 5 miles southwest of Reynolds or 13 miles northwest of Ellington. Opened in 1968, it was formerly owned by the Ozark Lead Company, now by ASARCO (American Smelting and Refining Company); a prolific producer of specimens for collectors: anilite; bornite; CALCITE (as yellow scalenohedra, nailhead crystals, or phantoms outlined by minute marcasite and pyrite crystals), carrollite (normal and nickelian), chalcocite, CHALCOPYRITE, covellite, dickite, digenite, djurleite, DOLOMITE, erythrite, fletcherite, GALENA, MARCASITE (as fine cockcomb crystals), MILLERITE, POLYDYMITE (acicular crystals to 12 mm), PYRITE (and casts after anhydrite or gypsum), QUARTZ (clear and smoky), SIEGENITE (octahedra to 6 mm), SPHALERITE, vaesite (Clendenin 1977; Mouat and Clendenin 1977; Dunn 1978; Weinrich 1990, 1992, 1993).
West Fork mine, an operating New Lead Belt mine located at West Fork, 6 miles southwest of Oates (37-29-29N 091-06-38), owned by ASARCO: CALCITE, CHALCOPYRITE, DOLOMITE, GALENA, MARCASITE, PYRITE, PYRITE (casts after a bladed mineral, possibly anhydrite), SIEGENITE, SPHALERITE, wurtzite (schalenblende) (Weinrich 1990).
St. Charles County
Westlake quarry, a limestone quarry, just east of St. Charles: CALCITE, FLUORITE (as small yellow cubes) (Schraut 1950).
St. Clair County
Crystal (Harmon) deposit (37-59-20N 093-40-19W), 0.5 mile west of Vista: BARITE as colorless, transparent crystals to 15 cm in veins and fractures in sandstone, a unique type of deposit in Missouri (Wharton 1985).
St. Francois County
Alluvial deposits: MAGNETITE crystals to 12 mm loose in sand (Leonhard 1882).
Bonne Terre district (37-55-19N 090-32-54W) Old Lead Belt mines including the St. Joe Nos. 1-9 and the Pen diggings. All are closed to production, but the St. Joe No. 1 is now a tourist attraction featuring underground tours: Barite, CALCITE and cobaltian CALCITE, cerussite, abundant CHALCOPYRITE, GALENA, malachite as minute stalactites, PYRITE, pyrrhotite, sphalerite, smithsonite (Leonhard 1882; Winslow 1894).
Flat River-Desloge mines, Old Lead Belt mines at Flat River, Des Loge, Esther, West Elvins (River Mines), and Elvins, including Des Loge Nos. 1-4, Doe Run Nos. 1-10, Federal Nos. 1-10, Leadington shaft, National Nos. 1-5, St. Joe Nos. 8 and 10. The Federal Mill No. 3 is now the Missouri Mines State Historic Site. Several of the adjoining towns named above have recently combined and ‘renamed themselves Park Hills: CALCITE, CERUSSITE, epsomite, GALENA, PYRITE (and bravoite), SIEGENITE as large crystals, SPHALERITE (Leonhard 1882; Winslow 1894).
Greasy mine (37-39-35N 090-30-25W), 4 miles southeast of Mineral City, in granite: HEMATITE (micaceous) (Crane 1912).
Iron Mountain mine (3742-12N 090-39-00W), at the town of Iron Mountain; the deposit consists of two large open pits with shafts and underground workings at the contact between intrusive Precambrian porphyry and surrounding sedimentary deposits; mined 1836-1966 and since worked for gravel and ballast rock by Iron Mountain Trap Rock Company. Hematite is the principal ore, but all of the ore is more or less mixed with magnetite and is magnetic: ACTINOLITE, andradite (as yellow dodecahedra to 1 mm in vugs in hematite), APATITE (crystals to 7.5 cm and masses over 1 meter), BARITE, bornite, CALCITE, CHALCOPYRITE, CHLORITE, DIOPSIDE (salite), pink DOLOMITE, EPIDOTE, FLUORITE, galena, HEMATITE (as crystals, specular masses, and pseudomorphs after magnetite), MAGNETITE, PYRITE, QUARTZ (as crystals, druse, and pseudomorphs after actinolite and apatite) (Wheeler 1895; Crane 1912; Allen and Fahey 1952; Murphy and Ohle 1968).
Leadwood district (37-51N 090-35W), within 2-3 miles around Leadwood. Mines include St. Joe Nos. 11, 12, and 14; Des Loge Nos. 5 and 6; Doe Run No. 8; and the Baker shaft: DOLOMITE, GALENA, SPHALERITE (Wharton 1894).
Leadwood road cut (37-52-08N 090-36-50W), on bypass Missouri Highway 8 just west of Leadwood: chalcopyrite, DOLOMITE, galena, MILLERITE, sphalerite.
Northwest St. Francois County barite district, northwest of Bonne Terre: BARITE, GOETHITE, PYRITE, QUARTZ.
Ste. Genevieve County
Avon mines (37-45-18N 090-12-58W), about 0.5 mile northeast of Avon: BARITE, CALCITE, GALENA, GOETHITE after pyrite (Weller and St. Clair 1928).
Avon and other post-Devonian diatremes: ultramafic diatremes (volcanic vents or pipes formed by explosive blowout from gas-charged magma); about eighty described by Kidwell (1947), within a 75-square-mile area in southwestern Ste. Genevieve County. The type locality, the Avon diatreme is on Missouri Highway 32 1.2 miles east of Route AA. These minerals with specimen potential occur in one or more locations: antigorite (serpentine), APATITE, AUGITE, biotite, CALCITE (sometimes as pseudomorphs after augite), chalcopyrite, CHLORITE, chromite, diopside(?), epidote, galena, garnet, goethite (limonite), hornblende, kaolinite, magnetite, marcasite, melilite, MUSCOVITE (sericite), OLIVINE, perovskite, PHLOGOPITE, pyrite, smoky quartz, siderite, sphalerite, xonotlite (Kidwell 1947a).
Bussen quarry (38-00-38N 090-05-14W), a limestone quarry 5.5 miles north of Ste. Genevieve: CARNOTITE (as thin films in joints in Spergen Limestone), fluorite (Muilenburg and Keller 1950).
Cornwall copper mines (37-54-08N 090-09-55W), a primary copper deposit 3 miles east of New Offenburg or 10 miles southwest of Ste. Genevieve, also known as Ste. Genevieve mines: AZURITE (crystals on limonite), bornite, CALCITE, cerussite, chalcanthite, chalcocite, CHALCOPYRITE, chrysocolla, CUPRITE (as red massive “tile ore”), DOLOMITE, enargite, famatinite(?), FLUORITE, GALENA, GOETHITE, GYPSUM, luzonite(?), MALACHITE, MARCASITE, QUARTZ, PYRITE, SMITHSONITE, SPHALERITE, tenorite (Leonhard 1882; Bain and Ulrich 1905; Rust 1935).
Dobschuetz deposit (37-50-42N 090-14-52W), 1.5 miles southeast of Millers: ORTHOCLASE (Weller and St. Clair 1928).
Pratte deposit (37-50-53N 090-13-41W), 1 mile east of the Dobschutz deposit: orthoclase in a vein up to 60 cm wide cut by a basic dike in granite (Weller and St. Clair 1928).
St. Louis City and County
An ample supply of local collectors combined with interesting local mineralogy result in many productive localities in St. Louis City and County. For labeling purposes, the city of St. Louis is an independent subdivision, not considered to be a part of St. Louis County. Nearly any excavation, quarry, or cut encountering limestone may potentially produce specimens.
St. Louis and Spergen Limestones throughout the city and county: anhydrite (as rounded, sky-blue aggregates in gypsum), BARITE (as rounded encrustations on calcite), CALCITE, DOLOMITE, FLUORITE (in crystals to 4 cm), garnierite(?), GYPSUM, honessite, MILLERITE (as acicular crystals and hairs to 15 cm long), pecoraite, pyrite, SPHALERITE, strontianite (Leonhard 1882; Wheeler 1895).
Antire Road quarry (38-30-41N 090-32-51W), southeast of I-44 and Antire Road and in road cuts near the intersection: CALCITE, GOETHITE (limonite) after PYRITE, HONESSITE, linnaeite, MILLERITE, pecoraite, violarite, QUARTZ.
Big Bend Road and the railroad cut (38-34-06N 090-2805W): CALCITE.
Castlewood area (38-33-01N 090-33-14W): CALCITE, PYRITE, QUARTZ.
Des Peres quarry, near 1-270 and Missouri Highway 100: BARITE, CALCITE, PYRITE, QUARTZ (crystals and agate), SPHALERITE.
Eureka (38-31-20N 090-37-50W), in a road cut in Joachim Dolomite along Woods Road about 1 mile north of Eureka. Efflorescences of MENDOZITE and its alteration product, TAMARUGITE, as crusts and stalactites (Keller 1935).
Florissant, quarry at 1-270 and the Mississippi River: CALCITE, CELESTITE.
Green Park/Musick and Tesson Ferry Road, north of the intersection: BARITE, CALCITE, FLUORITE, PYRITE, drusy QUARTZ, SPHALERITE in vugs, geodes, and concretions exposed in the creek bed.
Hamburg quarry, west of the Missouri River, 5.5 miles south of U. S. Highway 40 in the river bluffs: MILLERITE (Gibbons 1954).
Highway 141 and Highway 30, in road cuts (38-30-52N 090-26-46): CALCITE, DOLOMITE, PYRITE, QUARTZ.
I-44 and Highway 141 (38-32-20N 090-29-45): CALCITE, MILLERITE, QUARTZ.
Lindbergh and I-55 Road intersection (38-30-42N 90-2010W): BARITE, CALCITE, GOETHITE, hematite, malachite, PYRITE, QUARTZ (Union Road agate and crystals), sphalerite.
Mountain Ridge (38-33-00N 090-32-28W); geodes in the Mississippian Fern Glen Shale contain: colorless BARITE crystals, CALCITE, QUARTZ (Frank and Moynihan 1947).
Rock Hill quarry (38-33-N 090-20-W), at Litzinger and Rock Hill Roads: CALCITE, PYRITE, QUARTZ.
Ruprecht quarry (38-32-07N 090-17-03W), on Mt. Olive in Lemay: BARITE, CALCITE, DOLOMITE as twinned rhombs, FLUORITE as large purple tinted cubes, MILLERITE, PYRITE, QUARTZ (chalcedony), SPHALERITE (Schraut 1950; Gibbons 1954).
Victor Street quarry (38-35-57N 090-12-03W), formerly located at 2d and Victor in St. Louis: MILLERITE (Gibbons 1954).
Weber quarry, Baumgartner Road in south St. Louis County. Geodes contain: CALCITE, FLUORITE, MILLERITE, quartz (agate and chalcedony).
Grand Pass, in ironstone concretions: calcite, SPHALERITE (Broadhead 1894).
Mineral Springs, throughout the county: halite (Leonhard 1882).
Casey mine (37-10-37N 091-21-21W), 2 miles north of Eminence near Missouri Highway 19: CALCITE, CHALCOCITE, CHALCOPYRITE, cuprite, DOLOMITE, MALACHITE (Bain and Ulrich 1905).
Daniels prospect (37-05-46N 091-17-13W), 7 miles southeast of Eminence on the summit of Horner Mountain: alunite, BRAUNITE (Grawe 1943).
Elliot mine (37-03-31N 091-14-51W), about 9 miles southeast of Eminence; a manganese deposit at the contact of dolomite with a Precambrian porphyry knob: fluorite, BRAUNITE as bipyramidal crystals, PYROLUSITE, wad (Grawe 1943).
Jerktail prospect (37-13-24N 091-17-38W), 6 miles northwest of Eminence, located in the saddle between two porphyry knobs: CHALCOCITE, CHALCOPYRITE, CUPRITE, MALACHITE (Bain and Ulrich 1905; Grawe 1945).
Slater mine (37-08-41N 091-19-56W), 2 miles east of Eminence: CALCITE, chalcocite, CHALCOPYRITE, CUPRITE, DOLOMITE, MALACHITE, quartz (Ulrich and Bain 1905; Grawe 1943).
Sutton mine (37-05-54N 091-18-58W), 5 miles southeast of Eminence: azurite, CHALCOCITE, CHALCOPYRITE, CUPRITE, MALACHITE (Bain and Ulrich 1905; Grawe 1943).
Thorny Mountain mine (37-05-40N 091-11-59W), a manganese deposit about 9 miles southeast of Eminence: BRAUNITE, MUSCOVITE (mangansericite), psilomelane, pyrolusite, TREMOLITE, wad (Grawe 1943).
Milan, in limestone: BARITE crystals (Broadhead 1894).
Murphy barite mine (37-16-09N 092-02-45W) (McCanless mine), 6 miles southwest of Houston; similar to the filled-sink barite deposits in the Central district but is the only known commercial barite deposit for about 60 miles: BARITE (as fine sky-blue crystals, either as wedge-shaped aggregates or tabular single crystals), calcite, goethite (limonite), drusy quartz (Kidwell 1946e).
Fleming Formation, through the northern part of the county in concretions in shale: alunogen, siderite (Leonhard 1882).
Nevada, in shale: NATIVE IRON (Crane 1912).
Derby Doe-Run Formation, in vugs in a road cut 0.5 mile south of the Viburnum No. 29 mine: CALCITE.
Goose Creek mine (Viburnum No. 32), in the Indian Creek subdistrict: CALCITE, dickite, CHALCOPYRITE, DOLOMITE, GALENA, PYRITE (and bravoite), QUARTZ, SIEGENITE, sphalerite (Horrall, Hagni, and Kisvarsanyi 1983).
Indian Creek mine (38-03-00N 090-55-00W), 10 miles northwest of Potosi; a closed New Lead Belt mine formerly owned by St. Joe Minerals Corporation, now by the Doe Run Company (shafts 23 and 24). Indian Creek was the first major lead orebody in southeast Missouri discovered outside the Old Lead Belt: CALCITE, CHALCOPYRITE, epidote, GALENA as cuboctahedral crystals, malachite, MARCASITE, PYRITE, QUARTZ (Wagner 1972).
Mine a Burton (post office Mine a Breton), a village with an early lead mine opened in 1763 about 1 mile south-southwest of Potosi: ANGLESITE, barite, calcite, CERUSSITE, GALENA, pyrophyllite (Leonhard 1882; Wheeler 1895).
Mine a Robina, an early lead mine opened about 1724-1726 about 2 miles southeast of Potosi: GALENA (Dake 1930).
Old Mines area around Barytes, Cadet, Fertile, Old Mines, and Tiff; surface mines originally worked for lead and, later, for barite: aurichalcite(?), BARITE, CALCITE, GALENA, GOETHITE (after pyrite and as limonite), malachite, QUARTZ (drusy and agate), PYRITE, SMITHSONITE, SPHALERITE (Wharton 1986).
Palmer mines, at Courtois and to the east and northwest; this group of mines is also known as Fourche-a-Cortois: ANGLESITE, BARITE, calcite, CERUSSITE, dolomite, GALENA, hemimorphite, goethite (limonite), PYRITE, drusy QUARTZ, sphalerite (Dake 1930).
Pea Ridge mine (38-07-30N 091-02-30W), at end of State Route EE south of Missouri Highway 185, southeast of Sullivan. The only underground magnetite ore mine in the United States, the Pea Ridge Mining Company is owned by Big River Minerals. The mine was opened in 1964 and is currently in reduced production status. Ore is composed of a mixture of: MAGNETITE, HEMATITE and hematite pseudomorphs after magnetite, jacobsite, magnesioferrite, spinel, maghemite, lepidocrocite, and geikelite. Other minerals are: ACTINOLITE, afwillite, albite, altaite, anatase, ANDRADITE, ANHYDRITE, antigorite, FLUORAPATITE (as large, opaque crystals), BARITE, bastnasite, bazzite, BIOTITE, bornite, CALCITE, cassiterite, chalcocite, CHALCOPYRITE (as brassy tetrahedra on dolomite), chamosite, chlorite, clay minerals, cobaltite, DOLOMITE, EPIDOTE, FLUORITE, GALENA, glauconite, gold (and electrum), grunerite, gypsum, hessite, hornblende, hypersthene, melonite, MILLERITE, molybdenite, monazite, MUSCOVITE (sericite), ORTHOCLASE, PALYGORSKITE, parisite, PYRITE (normal and bravoite), QUARTZ (amethyst and colorless), RIEBECKITE (crocidolite), rutile, sepiolite, serpentine, SPHALERITE, sylvanite, synchisite, talc, tengerite-(Y), thorite, titanite, topaz, TOURMALINE, TREMOLITE, vesuvianite, xenotime, zircon, zoisite. Interiors of vugs are usually dusted with microscopic scales of hematite, producing specimens with a distinctive appearance (Emery 1968; Husman 1989; Nuelle et al 1989; Conroy 1996).
Potosi barite district, surrounding Potosi: BARITE, cerussite, GALENA, GOETHITE, PYRITE, QUARTZ (crystal and agate), SMITHSONITE, SPHALERITE, witherite (Leonhard 1882).
Richwoods barite district: BARITE, GALENA, QUARTZ (drusy crystals and agate), SMITHSONITE.
Viburnum No. 29 mine (31-45-28N 091-04-43W), in the far southwest corner of the county. A New Lead Belt mine formerly owned by St. Joe Lead, now by the Doe Run Company: CALCITE, CHALCOPYRITE, GALENA, SPHALERITE.
Viburnum, about 1 mile northeast in a roadside quarry: CALCITE as complex three-layer phantoms to 5 cm.
Granite Knob (Granite Bend), abundant pyrite in granite: copiapite, hyalite OPAL, PYRITE, voltaite (Wheeler 1895).
Iron Knob (37-12-51N 090-3808W), 4.7 miles northeast of Piedmont: HEMATITE.
Shook Stone quarry (37-02-55N 090-18-06W), at Shook, southeast of Greenville: CALCITE, DOLOMITE, goethite (limonite), QUARTZ.
Mansfield (Lead Hill) district, about halfway between Mansfield and Norwood: GALENA, HEMIMORPHITE, SMITHSONITE, SPHALERITE.
Norwood: Leonhard (1882) attributes MALACHITE in QUARTZ to this county. Yarrington (1960, 1961) reports CHLORITE in QUARTZ, GYPSUM (selenite) near Norwood.
[Figures 1-28 ILLUSTRATION OMITTED]
The writers are grateful to the following persons who provided information and helpful suggestions: Elsie Boente, Kevin Conroy, Chris De Grave, Don Gaertner, Arthur Hebrank, Jerry Hunt, Al Kidwell, Peter Modreski, Greg Nedblake, Larry Nuelle, Stan Perry, Robert Rolf, Art Smith, Bruce Stinemetz, Steve Tarcza, Dan Weinrich, and Ed and Patricia Williams.
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RELATED ARTICLE: Locality Cross-Reference
(Names of modern towns not included.)
Abbot bank mine, Miller Co. Adair Creek mine (Sweetwater mine), Reynolds Co. Adrian’s quarry, Boone Co. Alice zinc mine, Ozark Co. Amax Mine (Buick mine), Iron Co. Annapolis mine, Iron Co. Antire Road quarry, St. Louis Co. Apex mine, Madison Co. Arrow mine, Lawrence Co. Ash Grove-Everton mines, Greene Co. Atlas Cement quarry, Ralls Co. Avalon, Livingston Co. Avon mines, Ste. Genevieve Co. Avon diatremes, St, Francois, Ste. Genevieve Cos. Baker shaft, St. Francois Co. Bee-Ver mine, Macon Co. Big Three mine, Hickory Co. Birch mine, St. Francois Co. Black River Boss, Iron Co. Bleeding Hill mine, Crawford Co. Bluff Springs zinc mine, Morgan Co. Boaz mine, Cole Co. Bolin Creek mine, Miller Co. Boulware Cave, Maries Co. Brookline district, Greene Co. Brushy Creek mine, Reynolds Co. Buckland mine, Phelps Co. Buckshot barite mine, Morgan Co. Buick mine, Iron Co. Bussen quarry, Ste. Genevieve Co. Carver mine, Morgan Co. Casey mine, Shannon Co. Casteel No. 35 mine, Iron Co. Catherine mines, Madison Co. Charles Hibdon mine, Morgan Co. Cherry Valley mines, Crawford Co. Christy mine, Crawford Co. Clarence Cannon Dam, Ralls Co. Collins mine, Cooper Co. Cominco mine (Magmont mine), Iron Co. Copper Hill mine, Crawford Co. Copper Hollow mine, Franklin Co. Cornwell copper mines, Ste, Genevieve Co. Cove mine, Franklin Co. Crane Mountain, Iron Co. Crisp mine, Phelps Co. Crooked Creek, Crawford Co. Crystal deposit, St. Clair Co. Cuthbertson Mountain mine, Iron Co. Daniells prospect, Shannon Co. Darby’s mine, Franklin Co. Darksville, Randolph Co. DeCamp mine, Phelps Co. Decaturville, Camden Co. Des Peres quarry, St. Louis Co. Dick Turner farm, Pettis Co. Dobschutz deposit, Ste. Genevieve Co. Drybone mine, Morgan Co. Duckworth mine, Franklin Co. Einstein Silver mine, Madison Co. Eldon district, Miller Co. Elliot mine, Shannon Co. Evans mine, Franklin Co. Evans coal mine, Lewis Co. Eureka mine, Cole Co. Finger Lakes State Park, Boone Co. Flat Rock mine, Phelps Co. Fletcher mine, Reynolds Co. Fourche-a-Courtois, Washington Co. Fox City, Clark Co. Frumet, Jefferson Co. Fulton, Callaway Co. Gabriel mine, Madison Co. Goose Creek, Washington Co. Golconda mine, Franklin Co. Grand River, Henry Co. Granite Knob (Granite Bend), Wayne Co. Greasy mine, St. Francois Co. Hamburg quarry, St. Louis Co. Harmon (Crystal) deposit, St. Clair Co. Hawkins mine, Dent Co. Henson shaft, Madison Co. Hickory Nut mine, Madison Co. Higdon mine, Madison, Perry Co. Highway 185 and Meremec River, Franklin Co. Hinch mine, Crawford Co. Hobo mine, Crawford Co. Hoard mine, Morgan Co. Hubbard mine, Morgan Co. Indian Creek mine, Washington Co. Iron Knob, Wayne Co. Iron Mountain mine, St. Francois Co. Iron Ridge mine, Crawford Co. J. C. Miller prospect, Reynolds Co. James Skeens farm, Clark Co. Jerktail prospect, Shannon Co. Johnson’s Shut-ins, Reynolds Co. Kelly Lime-Rock quarry, Knox Co. Kelsey mine, Franklin Co. Ketcherside Gap, Iron Co. Killian prospect, Madison Co. Lamb mine, Morgan Co. Laswell mine, Howell Co. Lead Hill, Wright Co. Leslie mine, Franklin Co. Little Bachelor mine, Hickory Co. Loutre Formation, Boone Co. King’s Butte, Greene Co. Knight’s bank, Callaway Co. Koch shaft, Madison Co. Madison mine, Madison Co. Magmont mine, Iron Co. Mammoth mine, Jefferson Co. Martin mine, Madison Co. McCanless mine, Texas Co. McKarrow’s coal bank, Barton Co. McClain quarry, Jackson Co. McClain quarry, Montgomery Co. Maramec mine, Phelps Co. Meremec Caverns, Franklin Co. Meta mine, Osage Co. Metcalf mine, Crawford Co. Milliken mine (Sweetwater mine), Reynolds Co. Mine-A-Burton (Mine-A-Breton), Washington Co. Mine-A-Robina, Washington Co. Mine LaMotte, Madison Co. Missouri Cobalt Company, Madison Co. Moloc mine, Iron Co. Moselle No. 9 mine, Phelps Co. Moselle No. 10 mine, Phelps Co. Mount Hope mine, Franklin Co. Mullen mine, Crawford Co. Murphy barite mine, Texas Co. New Lead Belt, Crawford, Iron, Reynolds, Washington Cos. Newell mine, Morgan Co. Old Circle mine, Cole Co. Ozark Lead Company. Madison Co. Ozark mine, Madison Co. Palmer mine, Jefferson Co. Palmer mines, Washington Co. Pea Ridge mine, Washington Co. Peterson mines, Hickory Co. Pierson Creek district, Green Co. Pilot Knob surface deposit, Iron Co. Pilot Knob mine (underground), Iron Co. Pioneer mine, Miller Co. Portland, Callaway Co. Powell mine, Crawford Co. Pratte deposit, Ste. Genevieve Co. Proctor Creek mine, Morgan Co. Reavis mine, Morgan Co. Red Wasp mine, Lawrence Co. Roaring River State Park, Barry Co. Robert Bailey farm, Callaway Co. Rock Hill quarry, St. Louis Co. Rock Pile Mountain, Madison Co. Rueppele copper mine, Franklin Co. Rueppele iron mine, Franklin Co. Rupprecht mine, St. Louis Co. St. Clair mine, Franklin Co. St. Francisville, Clark Co. St. Louis Smelting and Refining Company, Madison Co. Sample mine, Miller Co. Sampson’s coal mine, Moniteau Co. Schnieder’s granite quarry, Iron Co. Scotia No. 1 mine, Crawford Co. Scotia No. 2 mine, Crawford Co. Sheahan quarry, Iron Co. Sheffler geode mine, Clark Co. Shepherd Mountain, Iron Co. Shook Stone quarry, Wayne Co. Short Lode mine, Franklin Co. Slater mine, Shannon Co. Silver Hollow mine, Franklin Co. Silver Mines district, Madison Co. Simmons Mountain, Dent Co. Spring River, Jasper Co. Starkey mine, Madison Co. Stimson mine, Phelps Co. Stinson mine, Callaway Co. Sugar Creek, Buchanan, Platte Cos. Sumners deposit, Lawrence Co. Sutton mine, Shannon Co. Sweetwater mine, Reynolds Co. Thorny Mountain mine, Shannon Co. Thurmond mine, Franklin Co. Tri-State district, Jasper, Newton Cos. Valles Mines, Jefferson Co. Viburnum No. 27, Crawford Co. Viburnum No. 28, Iron Co. Viburnum No. 29, Washington Co. Viburnum No. 32, Washington Co. Viburnum Trend, Crawford, Iron, Reynolds, Washington Cos. Victor Street quarry, St. Louis Co. Virginia mine, Franklin Co. Watson quarry, Lincoln Co. Weber quarry, St. Louis Co. Wesley Chapel, Madison Co. West Fork mine, Reynolds Co. Westlake quarry, St. Charles Co. Whorton mine, Morgan Co. Williamsville quarry, Butler Co. Wydell barite mine, Cooper Co. Zane mine, Crawford Co.
MARK D. SHERWOOD
106A East 25th, P.O. Box 436
Oak Grove, Missouri 64075-0436
GLENN A. WILLIAMS
549 Aqua Ridge Drive
St. Louis Missouri 63129-2704
Mark Sherwood, who has a bachelor of science in chemistry, has been collecting for thirty-five years and specializes in species and micromount sizes.
Glenn Williams, who has a bachelor of science in geology, is a retired cartographer with the Defense Mapping Agency in St. Louis. His collecting interest embraces specimens of all sizes, with emphasis on thumbnails.
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