 | | Journal (article/letter/editorial) | | SHERWOOD 106A East 25th, P. 0. Box 436 Oak Grove, Missouri 64075-0436 Downloaded by [Brown University Library]...Louis, Missouri 63129-2704 Figure 1. Counties in Missouri. N o comprehensive list of Missouri mineral...found in Missouri; two of these, fletcherite and starkeyite, were first described from Missouri mines....location a~ included at the end of each entry. Adair County Chariton River (40-04-05N 92-4 I -23W). septarian...septarian concretions about 2 miles north of the Macon county line. CALCITE crystals enclosing bundles of acicular |  | | Report (issue) | | MINERAL-RESOURCE POTENTIAL OF THE ROLLA I°x2° QUADRANGLE, MISSOURI, AS APPRAISED IN SEPTEMBER 1980 Walden P. Pratt...Pratt, Editor Prepared in cooperation with the Missouri Department of Natural Resources, Division of Geology...selected areas in the Rolla 1°x2° quadrangle, Missouri.................................. Estimated amounts...selected areas of the Rolla I°x2° quadrangle, Missouri..................................................... Spectrographic analyses of hematite and magnetite from the Pilot Knob, Iron Mountain, and Pea Ridge |  | | Book (volume) | | Dahlonega Co. and Rabum Co., and the McDuffie County Belt extending through portions of McDuffie, Warren...Sphalerite. BALDWIN COUNTY MILLEDGEVILLE, at state farmjasper. BANKS COUNTY COMMERCE, along Hwy. 59...along adjoining Co. linerock crystal. BARROW COUNTY WINDER, along rd. to Jefferson and 1½ mi. inside...Guide for Rock Hounds in the United States BARTOW COUNTY AREA, Saltpeter Cave, as floatjasper. CARTERSVILLE:...agate, (banded, various colors), jasper. BIBB COUNTY MACON: at Holton Quarry, 7½ mi. NWagate; N |  | | Journal (article/letter/editorial) | | 14627, USA z Branch of Isotope Geology, U.S. GeologicalSurvey, MS 963, Denver, Colorado 80225, USA Abstract...matrix of serpentine, calcite, phlogopite, and magnetite-rich spinel. The ages of emplacement of all but...Basu and Tatsumoto (1979). The Avon diatreme of south-eastern Missouri yields an emplacement age of 390...groundmass of this sample contains perovskite, magnetite, apatite, melanite, nepheline, phlogopite and...Colorado- Wyoming Nix-2 12.642 Southeastern Missouri Avon (77-1) Yakutia ( USSR) Obnazennaya (FRB-552) |  | | Book (volume) | | 600 to 800 feet thick in the north. ALEXANDER COUNTY FAYVILLE, area stream gravels⎯agate, jasper, rare...⎯agate, jasper; d RR siding of Clay⎯agate. CALHOUN COUNTY AREA, shores of the Mississippi R., in the Warsaw...crystals). CRAWFORD COUNTY PALESTINE, area deposits⎯Siderite. EDWARDS COUNTY AREA, T. 1 S, R. 10 E...E, regional deposits⎯Siderite. FULTON COUNTY FARMINGTON, W 6 mi. on Rte. 116 to the Rapatee No. 5 strip...mine⎯pyritized gastropods (Pennsylvanian age). GRUNDY COUNTY AREA: c Regional rd. and RR cuts and banks of Mason |  | | Book (volume) | | 600 to 800 feet thick in the north. ALEXANDER COUNTY FAYVILLE, area stream gravels⎯agate, jasper, rare...⎯agate, jasper; d RR siding of Clay⎯agate. CALHOUN COUNTY AREA, shores of the Mississippi R., in the Warsaw...crystals). CRAWFORD COUNTY PALESTINE, area deposits⎯Siderite. EDWARDS COUNTY AREA, T. 1 S, R. 10 E...E, regional deposits⎯Siderite. FULTON COUNTY FARMINGTON, W 6 mi. on Rte. 116 to the Rapatee No. 5 strip...mine⎯pyritized gastropods (Pennsylvanian age). GRUNDY COUNTY AREA: c Regional rd. and RR cuts and banks of Mason |  | | Report (issue) | | the Viburnum Trend subregion of the Southeast Missouri base metal and barite district, by A. V. Heyl...sometimes present -Ni/S from 1:2 to 1:6 -Traces of magnetite I -Pyrrhotite (50-70 percent), pentlandite (10-35...An^j-An^j; amphibole paregaaitic; accessories magnetite, sphene, epidote, apatite, \ | Gabb 1 Examine...er*enlde*,Tl-V magnetite -Platinum-group mineral* dliiemlnted In tlunlferou* magnetite eegr*g*tlon* appear...appear to have Irregular distribution In the magnetite ore*. Local lulfld* concentration* of chalcopyrlta |  | | Book (volume) | | have have Africa. Africa. South South The diatreme diatreme is is intrusive intrusive into the the banded...kimberlites, L.H. Ahrens et al., of some diatreme- P•hys. Chem. Earth IX, Ed. Pergamon Press,...kaolinite, the which manner included and magnetite serpentine, et al., 1974). phases inside goethite)...the stant that but At Premier kimberlite diatreme colour Department, show that mine, diamonds...other special diamond parcels from the Ebenhaezer diatreme adjacent to Koffiefontein and the Satellite Pipe |
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