 | | Book (volume) | | instance, a single Spodumene crystal from the Etta Mine near Keystone on the east side of the Mount Rushmore...weighed 90 tons. Also huge crystals of sparkling blue Beryl from the Black Hills pegmatites have measured...from 18’ to 27’ long. In addition, gem Garnets, Quartz crystals, Topaz and Tourmaline add to the fascination...beds, excavations, etc.Selenite roses. BRULE COUNTY AREA: in the Oacoma zone of the Pierre Fm. On Elm...gray Barite rosette up to 5 or 6 inches. CAMPBELL COUNTY MOUND CITY, W to the Missouri R., regional hillsides |  | | Book (volume) | | ...........................................243 Nevada ...............................................................................458 Appendix B - Quartz Family Gemstones ................................rights, so remember you were told. If in doubt, a county map will tell you who the legal owner is. Good...includes granites, schists (mica, garnet, graphite, quartz), and gneisses, as well as numerous granite pegmatites...gemmy qualities for cutting and polishing. AUTAUGA COUNTY PRATTVILLE, N. 6 mi., and just E of the Birmingham |  | | Book (volume) | | ...........................................243 Nevada ...............................................................................460 Appendix B - Quartz Family Gemstones ................................rights, so remember you were told. If in doubt, a county map will tell you who the legal owner is. Good...includes granites, schists (mica, garnet, graphite, quartz), and gneisses, as well as numerous granite pegmatites...gemmy qualities for cutting and polishing. AUTAUGA COUNTY PRATTVILLE, N. 6 mi., and just E of the Birmingham |  | | Report (volume) | | ....................................... 102 District of Columbia ............................................................................ 187 Nevada..................................................to refer to Geological Survey Bulletin 507, "The mining districts of the western United States," and to...exhausted by mining or quarrying. Deposits of minerals that are widely distributed, such as quartz and calcite...because they occur in sufficient quantity to warrant mining for their usual products, but because they furnish |  | | Report (issue) | | said to have been found in the mining the nugget Jim, Placer County, California, in 1871 by a small...Counties of California: Minerals and mineral lists Mining Districts of California Unvalidated entries in...The bibliography has been updated and expanded. County lists published by Collins (1) pp. 40-64, in Murdoch...resulting from references to the geographic term ''Mining District," especially in the pre-1920 literature. Widespread...rhyolite locality in Alameda County and the lawsonite type locality Marin County, which have been completely |  | | Report (volume) | | it helpful to refer to Survey Bulletin 507, "The mining districts of the western United States," and to...exhausted by mining or quarrying. Deposits of minerals of wide distribution, such as quartz and calcite...because they occur in sufficient quantity to warrant mining for their usual products but because they furnish...E. H. Barbour, University of Nebraska, Lincoln. Nevada...........Dr. W. S. Tangier Smith, Berkeley, Cal...See Bauxite and Hallpysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found |  | | Report (volume) | | (E) Tungsten deposits of Vance County, N. C., and Mecklenburg County, Va., by G. H. Espenshade (published...deposits near Seiad and McGuffy Creeks, Siskiyou County, Calif., by F. G. Wells, C. T. Smith, G. H. Rynearson...Chromite deposits of Boulder River area, Sweetgrass County, Mont., by A. L. Howland, E. M. Garrels, and W...corundum deposits in the Buck Creek peridotite, Clay County, N. C., by J. B. Hadley (published in December...the tungsten deposits of Vance County, N. c., and Mecklenburg County, Va •••.•••••...••••. Geologic map |  | | Book (volume) | | Celestite, Dolomite crystals, Fluorite (fluorescent), , Galena, Marcasite, Pyrite, Selenite and Sphalerite. A...ASHTABULA COUNTY CONNEAUT, area pits, quarries, rd. cuts, etc.⎯cone-in-cone Calcite. CLERMONT COUNTY MILFORD...CLINTON COUNTY WILMINGTON, area of Todd’s Ford, a mineral deposit⎯Hematite. COSHOCTON COUNTY AREA, townships...Bedford, Jackson, Jefferson, Bethlehem, Monroe and Clark; on regional knobs and ridges and just above areas...CUYAHOGA COUNTY CHAGRIN FALLS (on Geauga Co. line), area quarries⎯oilstone. DELAWARE COUNTY DELAWARE |  | | Book (volume) | | Celestite, Dolomite crystals, Fluorite (fluorescent), , Galena, Marcasite, Pyrite, Selenite and Sphalerite. A...ASHTABULA COUNTY CONNEAUT, area pits, quarries, rd. cuts, etc.⎯cone-in-cone Calcite. CLERMONT COUNTY MILFORD...CLINTON COUNTY WILMINGTON, area of Todd’s Ford, a mineral deposit⎯Hematite. COSHOCTON COUNTY AREA, townships...Bedford, Jackson, Jefferson, Bethlehem, Monroe and Clark; on regional knobs and ridges and just above areas...CUYAHOGA COUNTY CHAGRIN FALLS (on Geauga Co. line), area quarries⎯oilstone. DELAWARE COUNTY DELAWARE |  | | Journal (article/letter/editorial) | | collecting. Although Texas is not known for its mining industry, be cause of its large oil and gas exploration...Llano County in the early 1900s but was flooded by Lake Buchanan in 1938. The Terlingua mining district...minerals. Mining here was contin uous from 1900 to the middle 1940s; but the Mariposa mine, which produced...& Minerals on "The Weeks Pegmatite Mine, Wakefield, Carroll County, New Hampshire" (March/April 1991)...66, May/June 1991 197 LOCALITIES BY COUNTY Bastrop County KEY mm T * ? — — — — best occurrence |  | | Report (issue) | | rewhich was publi.shed as Bulletin 67 of the State Mining Bureau. vision by the same author in 192-3 increased...(and the surface form, rhyolite) has essentially quartz and orthoclase feldspar, with usually considerable... Syenite (and trachyte) are much the same, but quartz is usually absent. Diorite (and andesite) carry...with occasional pyroxene or biotite, and sometimes quartz (granodiorite). Gabhro (and basalt) are essentially...sediments (shale), are largely clay and finely divided quartz. The coarse are sand grains (sandstone), or pebbles |  | | Book (edition) | | (extremely hard). There are: 1 Talc 4 Fluorite 7 Quartz 9 Corundum 2 Gypsum 5 Apatite 8 Topaz 10 Diamorid...piece of sharp quartz, with a hardness of 7. You know, for example, that what quartz will scratch has...Silver, for example, has a typical metallic luster, quartz a typical non-metallic luster. Non-metallic lusters...Color & streak black, gray-black or blue-black, not earthy....... 6 GALENA Sa 1Good cleavage i......--....hardness 2.5. An important ore of lead. ... PbS galena 7b. Good cleavage in one direction; sp. SS Brawiny |  | | Catalog/List | | South Africa,Cobaltian Gersdorffite from Gortdmm Mine Containing unusual elements , Iquiqueite,Galkhaite...grey masses with possible Als1oni1e Fallowficld mine. Ix½ £4 Ba Ca C0/3 micros. Hexham.Nonhumbcrlond...- -- --- ------3 ALUNITE IxI£-l Flux Canyon.Sanln Cruz Rich orange masses in quartz. under 1/, x ½ £2..._ _ magnification there arc small cr stals _ __ County. _ AI1zona 60 AMAZO:-;ITE 2x3i nch£5 Madagascar...Zcolite . 40 ----£1 ---· 2 6 Al'iATASE single dark blue micro crystal on Chlorite Virtuous Ludy mine.Devon |  | | Book | | Rock-Marble Fossil-Basilosaurus cetoides Gemstone-Star Blue Quartz Soil-Bama Series Mineral-Rhodochrosite Rock-Yule...Fossil-Belemnite Soil-Greenwich Loam Series 29 30 31 * District of Columbia Dinosaur-Capitalsaurus fo, Fossil-Petrified...Florida Gem-Moonstone Stone-Agatized Coral Mineral-Quartz Crystal Soil-Myakka Fine Sand Series Rock-Bauxite...Mineral-Gold Mineral-Staurolite Fossil-Shark Tooth Gem-Quartz 35 36 36 38 38 38 Rock-Serpentine * Hawaii ...81 62 63 63 * Missouri Rock-Mozarkite Mineral-Galena Fossil-Delocrinus missouriensis Dinosaur-Hypsibema |  | | Book (volume) | | Most specimen collecting is done in the Lead-Zinc mining dists. of northwestern Illinois, the glacial drift...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...Amethysts, or Quartz crystals). CRAWFORD COUNTY PALESTINE, area deposits⎯Siderite. EDWARDS COUNTY AREA, T...deposits⎯Siderite. FULTON COUNTY FARMINGTON, W 6 mi. on Rte. 116 to the Rapatee No. 5 strip mine⎯pyritized gastropods |  | | Book (volume) | | Most specimen collecting is done in the Lead-Zinc mining dists. of northwestern Illinois, the glacial drift...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...Amethysts, or Quartz crystals). CRAWFORD COUNTY PALESTINE, area deposits⎯Siderite. EDWARDS COUNTY AREA, T...deposits⎯Siderite. FULTON COUNTY FARMINGTON, W 6 mi. on Rte. 116 to the Rapatee No. 5 strip mine⎯pyritized gastropods |  | | Report (issue) | | Zi oe Mountatn ~Pass) cs. sim ssicwiy tat.0e 276 Nevada City-Grass Valley ..... 279 New Almad@n 6.6sravs...no OIL ORO OIG ZoZ 292 Boulder County Tellurides .... 294 Boulder County Tungsten ...... eeoeeesee 296...323 A. Rifle area, Colorado «0s... 323 B. Uravan District, Colorado 324 Cope tick Rock DIsEEIcL sCoLoradO)...324 DeeGkante District, New sMext Comer. clecetsls cused cists! 0/0 326 E. Shiprock District, Utah—Arizona...Utah—Arizona ....vccccsnens F. Monticello-Moab-Thompsons District, Utah .....secvceee 326 327 ee eeseeee Gig GE |  | | Book (edition) | | Rs v Engineering News -Record ~ Engineering and Mining Journal-Press Power Chemical and Metallurgical...rocks — Acid sulphate waters in igneous rocks — Mine waters of sulphate type —Sodium carbonate waters...Fuller's placers — Detrital — Placer earth — — quartz deposits Detrital clay deposits Gold Origin and...veins Mineral association Origin Mine waters Rock alteration Mining and smelting operations The copper...Oro, Mexico — Gold-quartz veins rhyolite Argentite-gold-quartz veins — Tonopah, Nevada — The Comstock lode |  | | Book (volume) | | chalcedony, jasper and gem petrified wood. BUFFALO COUNTY KEARNEY, area gravel bars and pits along the Platte...townagate, chalcedony, jasper, petrified wood. CASS COUNTY WEEPING WATER, SE, on rd. to Nehawka, in the Snyderville...chalcedony, jasper, fossils. CHERRY COUNTY VALENTINE, in the Sandhills county along the Niobrara R. and Minnechaduza...DAWES COUNTY CHADRON, in N part of Co. and as far W as Crawford and Harrisonchalcedony (some blue). CRAWFORD:...landsvertebrate fossil remains; Pine Ridge, areaQuartz concretions, agates, petrified wood, fossils, etc |  | | Journal (issue) | | R. Kampf Natural History Museum of Los Angeles County George Robinson National Museums of Canada Arthur...the “famous locality” series: the Home Sweet Home mine and Mount Antero. A fine mineralogical study of...you belong to, and where you come from. American mining schools and professional organizations have long...(Actually there is one other version: gold with a blue stone in the center. Catch me privately at a show... centering on some of the nostalgic aspects of mining in Arizona and beautifully illustrated with paintings |  | | Book | | geological collection. From the green, gold and blue iridescent sheen of labradorite to the large, wheat-sheaf...the geysers at Yellowstone National Park, Wyoming, USA. Silica-rich minerals are deposited by the hot water...gypsum (top), 'dogtooth spar' calcite (left centre), 'blue john' fluorite (right centre) and pyrite (bottom)...are tiny black flecks of 1nica, glassy grains of quartz, and yellow feldspar all forged in the fiery heat...onyx are produced by treating agate, a type of quartz, with heat and a solution of sugar and water. |  | | Report (issue) | | thorium or rare-earths minerals_ Brannerite-bearing quartz or siliceous veins _______ _ Davidite-bearing veins...predecessor organization, the Manhattan Engineer District ; and, to a lesser extent, by staff members of...United States. The pre-1940 history of uranium mining and geology is concerned largely with veins in...Sierra Ancha region, Arizona ; and the Marysvale district, Utah. All the Western States, including Arizona...Arizona, California, Colorado~ Idaho, Montana, Nevada, New Mexico, and FRANK W. OsTERWALD Oregon, Utah |  | | Journal (article/letter/editorial) | | University of Florida, Gainesville, Florida 32611 USA of Geological Sciences, California State University...San Bernardino, San Bernardino, California 92407 USA Geological Survey, Central Mineral and Environmental...MS-973, Denver Federal Center, Denver, Colorado 80225 USA Abstract The origin of gold nuggets in placers is...revealed that vein and placer gold from the Rich Hill district, Arizona, contain up to thousands of ppm Pb and...rocks in the Rich Hill area. Primary vein gold and galena show similar Pb isotope ratios with 206Pb/204Pb |  | | Book | | enter must be obtained to prevent trespass. Old mine workings are dangerous and entering underground...oFtne ato aa Gem Ghd nQkTeane Uva a nes ly ia" mine Ui nrobs inesob cere ts ou ioe tok us 'aaieomolitt...exception of the rhodochrosites of the Sweet Home Mine, Alma, Colorado, which were loaned for photography...and the Central Mining District, Grant County Burro Mountains Apache No, 2 District Lake Valley Caballo...Mountains Chloride District Hansonburg District Socorro Area New Placers District Grants Area Nacimiento |  | | Book (edition) | | OX5 1 GB, UK 225 Wyman Street, Waltham, MA 02451, USA Copyright © 2015, 2008 Elsevier B.V. All rights reserved...oxidised states: Copper minerals then show green, blue, and sometimes red tinges, cobalt shows pink shades...example for such a situations can be seen in euhedral quartz crystals embedded in the sulfide matrix of fossil...normally contain amorphous silica/opal rather than quartz in its initial stages, as is the case in modern...cross-cut by a crack filled with secondary covellite (blue). Optically Similar Minerals of comparable chemical |
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