 | | Journal (article/letter/editorial) | | Geology Vol. 99, pp. 3–37 Henderson Porphyry Molybdenum System, Colorado: I. Sequence and Abundance...Stanford, California 94305-2115 Abstract At Henderson, Colorado, 12 rhyolitic stocks of Oligocene age crystallized...tops are 1 km below the surface of Red Mountain: Henderson (oldest), Seriate, and Vasquez (deepest and youngest)...low-temperature assemblages, which extended higher above Henderson than Seriate. Prior to that time, the region where...terminated in the vicinity of stocks in both the Henderson and Seriate centers; proximal to stocks, the multiplicity |  | | Journal (article/letter/editorial) | | Photographs JanuaryFebruary: Rhodochrosite, N’Chwaning mine, Hotazel, South Africa. Martin Zinn specimens, Erica...Cryo-Genie mine, San Diego County, California. Natural History Museum of Los Angeles County specimen,...Ground Hog mine, Gilman, Eagle County, Colorado. Natural History Museum of Los Angeles County specimen...Acanthite-argentite, Colorado, 307 Actinolite/tremolite, Michigan, 344 Adularia, Michigan 341 “Alaskaite,” Colorado, 307...395 Allanite-(Ce), California, 162 Allophane, Colorado, 307 Almandine, Connecticut, 261 Almandine-spessartine |  | | Report (issue) | | Ore Deposits of the· Kokomo-Tenmile District, Colorado By M. H. BERGENDAHL and A. H. KOSCHMANN . I...PAPER 652 Prepared in cooperation with the Colorado Mining Industrial Development Board .. 1\ UNITED...ores-----------------------------Mine descriptions----------------------------------Wilfley-Kimberly mine __ --------________________...Consolidated mine, Eldorado and Wilson mines, Felicia Grace mine, and Champion (New York) mine----------...Page PLATE 1. Geologic map of Kokomo-Tenmile district------------------------------------------------------ |  | | Journal (article/letter/editorial) | | with its representation of mining tools clearly proclaim Montana’s mining origins. Montana’s production...published describing the occurrence, collecting, mining, and cutting of the two state gemstones. Figure...Granville Stuart established Montana’s first mining camp at Gold Creek in 1860. Geologic Provinces The state...MICHAEL J. GOBLA 19055 East Bethany Place Aurora, Colorado 80013 gobla@copper.net Unless otherwise noted...view showing the Indian Queen mine ca. 1905 at Farlin, Beaverhead County. 208 ROCKS & MINERALS Downloaded |  | | Report (issue) | | description of the geology, mining history, and production of the major gold-mining districts in 21 States...relations ---------------------------History of gold mining and trends in production_ J\labama -----------...--------------Cleburne County ----------~----------------- Tallapoosa County --------------------------Alaska...------------------Cochise County -----------------------------Gila County --------------------------------Greenlee...ee County ----------------------------R[aricopa County ----------------------------R[ohave County -- |  | | Report (issue) | | constructed from the bits and pieces exposed in the Colorado mineral belt and the San Juan volcanic field....matching the exposed mineralized rocks of a mining district with corresponding parts of a model (Briggs...Steven, 1971) of the southern San Juan Mountains of Colorado. The Model The porphyry-metal edifice 2 is an...showing the parts of edifices exposed in the Crater Creek Platoro caldera area field. -3- of the'San Juan...a metalliferous hydrothermal fluid (Hemley and Jones, 1964) that separated from the magma in response |  | | Report (issue) | | Dan Hausel - Deputy Director and Head Richard W. Jones - Head Oil and Gas Division Rodney H. DeBruin -...recovered by Dean Farris from mine dump waste in the Gold Hill district. The actual diameter of the button... . . . . . . . . . . . . . . . . . . . Kirwin district . . . . . . , . . . . . . . . . . . . . . . ....City) district .. . . . . . . . . . . . . . . . . . . . . . . . . 13 16 Stinkingwater district . . ...Sunlight district . ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 18 22 Mine and |  | | Journal (article/letter/editorial) | | (eastern) Oregon-Idaho-(western) Montana, (4) Colorado-NewMexico, (5) Nevada-southern California,and...productivedepositsare locatedin the southernRockyMountains(Urad-Henderson,Climax and Questa) and in the Interior Belt of...Rate (t.p.d.)x BritishColumbia 1967 46,000,000 Mine Alice (B. C. Molybdenum) 8,000 Company British...British Columbia,Canada (Noranda Subsidiary) Urad- Colorado 13,000,000 5,000 303,000,000 30,000 American...New York, N.Y., U.S. A. 19672 (1975) Henderson Climax Colorado 1918 400,000,000a 42,000 American |  | | Journal (article/letter/editorial) | | Photographs January/February: Galena, Tri-State district, Kansas. Smithsonian Institution specimen; Chip...photo. March/April: Quartz, Middleville, Herkimer County, New York. John C. Medici specimen and photo. May/June:...May/June: Turgite, Graves Mountain, Lincoln County, Georgia. Ronald E. Bentley specimen and photo. July/August:...July/August: Quartz, H. deLinde No. 4 mine, High Peak, Montgomery County, Arkansas. Private collection; Ronald...Bentley photo. September/October: Barite, Otero County, Colorado. Dan and Dianne Kile specimen; John Muntyan |  | | Report (volume) | | it helpful to refer to Survey Bulletin 507, "The mining districts of the western United States," and to...abundant, it may have been completely exhausted by mining or quarrying. Deposits of minerals of wide distribution...because they occur in sufficient quantity to warrant mining for their usual products but because they furnish...A. F. Rogers, Stanford University, Palo Alto. Colorado.........Prof. R. D. George, Boulder. Connecticut...Adolph Knopf, D. B. Sterrett, J. B. Umpleby, E. L. Jones, jr., G. S. Rogers, H. G. Ferguson, and G. F. Loughlin |  | | Report (volume) | | ............................................. Colorado........................................................................................ 102 District of Columbia ....................................to refer to Geological Survey Bulletin 507, "The mining districts of the western United States," and to...abundant it may have been completely exhausted by mining or quarrying. Deposits of minerals that are widely...because they occur in sufficient quantity to warrant mining for their usual products, but because they furnish |  | | Report (volume) | | mineralization in the Beaver-Tarryall area, Park County, Colo., a reconnaissance report, by Quentin D....Geology and ore deposits of the Shafter mining district, Presidio County, Tex., by Clyde P. Ross _______ ______...on concentration tests on manganese from Perry County, by H. S. Rankin______ 1 45 127 223 ILLUSTRATIONS...PLATE 1. Geologic map of Beaver-Tarryall area, Park County, Colo__ In pocket 2. Geologic sections of Beaver-Tarryall...Beaver-Tarryall area_______________ In pocket 5. Index map of mining properties in Beaver-Tarryall area___ 36 6. Reconnaissance |  | Soulliere, S.J., Toth, M.I., Bankey, V.L., Smith, S.M., Pitkin, J.A., Cookro, T.M., Robinson, Roberts L.N., Molnia, C.L., Wandrey, C.J., Law, B.E., Spencer, C.W., Barker, C.E., Dersch, J.S. (1996) Resource potential and geology of the Routt National Forest and the Middle Park Ranger District of the Arapaho National Forest, Colorado. Open-File Report Vol. 1996 (96-82) US Geological Survey doi:10.3133/ofr9682 | Report (issue) | | Unconsolidated Deposits ...................... Colorado Mineral Belt ................................................................. Hahns Peak Mining District ...................................... Cam............................................... Henderson-Urad Molybdenum Area ...........................Bear Creek-Lone Pine Creek Anomalous Area .......................... Red Canyon-Crystal Mining District...Beaver Creek Area (Farwell Mining District) ........................... Dailey (Atlantic) Mining District |  | | Journal (issue) | | l)elamar Gold Mine, Lincoln County, Utah Bob Werner werner@lcturbonet.com The Delamar Gold Mine (fig.I) is...part of Lincoln Co., in southeastem Nevada. The mine is significant for a couple ofreasons. First, it...discovery was made in the northern part of the District by brothers John and Alvin Ferguson, farmers in...later, 1892, John Ferguson discovered the Magnolia Mine a short distance to the south. The silver camp of...Helene was platted next to the Magnolia Mine and the District was originally named after the Ferguson's |  | | Journal (article/letter/editorial) | | Geology Vol. 99, pp. 39–72 Henderson Porphyry Molybdenum System, Colorado: II. Decoupling of Introduction...hydrothermal mineral assemblages developed at Henderson, Colorado, as 12 rhyolitic stocks of Oligocene age...associated with sericite-pyrite alteration at Henderson were unusually saline (mostly 29–36 wt % NaCl...mainly as magnetite and then as pyrite and minor pyrrhotite and specular hematite. Molybdenum and tungsten...assemblages that formed above intrusive centers at Henderson resemble assemblages in other Climax-type porphyry |  | | Book | | 193-256 137-208 129-192 209-264 193-256 [ [ COLORADO-Ill] 177-256 121-184 89-168 1-120 1-88 [ ...177-256 185-280 169-248 [ 425-528 337--400 COLORADO-II] 321--400 337--400 ARIZONA-Ill] 337--400...69-132 65-128 1-64 11 / 1980 20 I 1989 [ COLORADO-I] [ 289-352 385-448 [ AUSTRALlA] 353-504...On a spectacular find of crocoite in the Adelaide mine, Dundas, Tasmania (by A. H. Chapman) 3:111-113 ADOLFSSON...Iaria from the Howard-Montgomery quarry, Howard County, Maryland (by J. S. White) 25:53-54 AFGHANISTAN |  | | Journal (issue) | | Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino...and the former Soviet Union. Show chairman Bob Jones and exhibits chairman Peter Megaw have arranged...have yielded world-class specimens o f fluorite, pyrrhotite, ilvaite, datolite, danburite and calcite, plu...stunned. Huge, colorless, water-clear fluorite crystals, giant pyrrhotite crystal groups, large and lustrous...tours for collectors are permitted by the friendly mine management, and visitors have even been allowed |  | | Book (edition) | | civilization. . . it is clear that 1825 mining opened the West- . —Charles W. Henderson, 1933 MINERALS...Highlights in the history of New Mexico mineralogy and mining 3 5 Prehistoric utilization of minerals New...SUBDISTRICTS, CAMPS, ETC. 569 BIBLIOGRAPHY 597 MAP: Mining Districts of New Mexico in pocket II. PREFACE...highlights in the his- New Mexico mineralogy and mining— including a section on the prehistoric utilization...edition, 1892. A. H. Fay (1920) A glossary of the mining and mineral industry. R. E. Grim (1953) Clay |  | | Report (volume) | | Minerals of Colorado: A 100- Year Record By EDWIN B. ECKEL GEOLOGICAL SURVEY BULLETIN 1 1 14 A...knowledge____________________________________ Future of Colorado mineralogy______________________________________...mineral localities and metallic mineral deposits of Colorado ________________________________ In pocket III...mineral localities and metallic mineral deposits of Colorado, has not been included in this reprint. Many of...especially Fischer and others, 1946). MINERALS OF COLORADO: A 100-YEAR RECORD By EDWIN B. EcKEL ABSTRACT |  | | Journal (issue) | | .... 5 by C. S. Stolburg Minerals of the Pereta mine, Tuscany, Italy ..................................and M. Tazzini Alteration minerals of the Cetine mine, Tuscany, It a ly ................................ Sabelli and G. Brizzi Siegenite from the Buick mine, Bixby, Missouri .................................R. Kampf Natural History Museum of Los Angeles County Arthur Roe Tucson, AZ Abraham Rosenzweig University...the Friends of Mineralogy COVER: Barite from Elk Creek, South Dakota. The crystal is 2 inches tall. Lee |  | | Report (issue) | | . . ALAMANCE COUNTY 5 5 Pyrophyllite ...... f .......... 5 ALEXANDER COUNTY ................. 9 ALLEGHANI COUNTY 1± Manganese ....... f 11 Barite , 11 Copper . 11 ASHE COUNTY. . . . Copper...Staurolite AVERY COUNTY . . ......... 13 13 13 . 13 Iron and Epidote BUNCOMBE COUNTY Garnet ...........13 Moonstone and Associated Minerals 15 BURKE COUNTY 15 Corundijin 15 Itacolumite 15 Toiirmaline...Amethyst f . , 4 .18 CABARRUS COUNTY 18 Minerals of the Cabarms County Mines 18 CALDWELL COUNT! 18 Pyrite |  | | Book (edition) | | YEAR 1687"—DAVID T. DAY, CHIEF OF THE DIVISION OF MINING STATISTICS AND TECHNOLOGY WASHINGTON GOVERNMENT...and consump tion, or better and cheaper means of mining, extraction, and convey ance to market, may in...correspondence has been carried on with geologists, mining engineers, and other local authorities, and various...thickness; mmed at Broken Arrow aud Trout creek, in Sc. Clair county. The strata in this field are more faulted...south prong of Canoe creek, in St. Clair county, to Ha\sop creek, in Bibb county, a distance of 60 miles |  | | Report (volume) | | as pentlandite (Fe, Ni) oSs, associated with pyrrhotite, FenSn+t, and chalcopyrite, CuFeS 2 • Nickel...of nickel are those being mined in the Sudbury district, Ontario, Canada. Vast nickeliferous laterites...BIBLIOGRAPHY Aaron, C. H., 1882, Nickel and cobalt: Mining Sci. Press, v. 44, no. 12, p. 196. Acad. Sci. U...Manitoba ; Canadian Mining Metall. Bull. 461, p. 509-514; Canadian Inst. Mining and Metallurgy Trans...Cost of mining 55 tons of copper-nickel ore at the Great Eastern prospect, Bunkerville, Clark County, Nev |  | | Book | | Fetter Lalle, London EC4P .:lEE Pllhlisiled ill the USA h)' Chapman (Iml Hall 29 West 35th Street, ,\Iou...reasons for the approach taken Mineral deposit or mine? A genetic model as the basis for exploration The...Sandstone-hosted uranium deposits of the western USA Concluding statement References ORES FORMED BY MET...towards the cost of travel: the Institution of Mining and Metallurgy, the British Council, BP Minerals...many geologists who have given their time during mine visits and responded to our queries. We have benefited |  | | Journal (article/letter/editorial) | | microprobe, etc.) Because New Mexico is a mining state, mining districts are given whenever possible in...2015 Bernalillo County Cerro Colorado, W. of Albuquerque: carnotite. Placitas district (Sandia Mountains)...schorl. Tijeras Canyon district (Manzano Mountains), E. of Albuquerque. Galena King mine: barite, fluorite...(Seiiora de 10s Milagros mine): copper, cuprite, malachite. Catron County Apache Creek, N. of Reserve: quartz...quartz (chalcedony). Mogollon district, NE of Glenwood: acanthite, bornite, chalcocite, fluorite, gold |
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