 | Wallace, S. R., MacKenzie, W. B., Blair, R. G., Muncaster, N. K. (1978) Geology of the Urad and Henderson molybdenite deposits, Clear Creek County, Colorado, with a section on a comparison of these deposits with those at Climax, Colorado. Economic Geology, 73 (3) 325-368 doi:10.2113/gsecongeo.73.3.325 | Journal (article/letter/editorial) | | ClearCreekCounty,Colorado,with a Sectionon a Comparison of TheseDepositswith Thoseat Climax, Colorado STEWARTR...Hendersonstockworkmolybdeniteorebodiesat Red Mountain, Clear Creek County,Colorado,are relatedto a rhyolitic subvolcaniccenterof...within a mile of the north-northeast-trendingBerthoud Pass fault. This fault is the major structural element...Complex;the rest was in the Sih-er Plmne Granite. The Urad mine, now worked out, producedabout 14 million tons of...remarkablysimilar in many respectsto thoseat Climax, Colorado, but there are some notable differences. The abundance |  | | 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 |  | | 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 -- |  | | 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 |  | | 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 |  | 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 |  | Alford, Lee, Gysi, Alexander P., Hurtig, Nicole C., Monecke, Thomas, Pfaff, Katharina (2020) Porphyry-related polymetallic Au-Ag vein deposit in the Central City district, Colorado: Mineral paragenesis and pyrite trace element chemistry. Ore Geology Reviews, 119. 103295 doi:10.1016/j.oregeorev.2019.103295 | Journal (article/letter/editorial) | | polymetallic Au-Ag vein deposit in the Central City district, Colorado: Mineral paragenesis and pyrite trace element...polymetallic AuAg vein deposit in the Central City district, Colorado: Mineral paragenesis and pyrite trace element...polymetallic Au-Ag vein deposit in the Central City district, Colorado: Mineral paragenesis and pyrite trace element...Department of Geology and Geological Engineering, Colorado School of Mines, 1516 Illinois Street, Golden...submitted to Ore Geology Reviews 1 ABSTRACT The Colorado Mineral Belt is a ~500 km long segment of calc-alkaline |  | | 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 |  | | Journal (issue) | | R. Kampf Natural History Museum of Los Angeles County George Robinson National Museums of Canada Arthur...SPECIMENS from the collection of the Geology Museum, Colorado School of Mines. See page 242 for a full description... All rights reserved. notes fromthej EDITOR COLORADO-III Here we are with our third special issue devoted...devoted to the mines and minerals of Colorado. As most long-time subscribers know, the first in the series...about $200 on the out-of-print market. The second Colorado issue was vol. 10, number 6 (1979), and we still |  | | Journal (article/letter/editorial) | | Homestake Porphyry Intrusive Complex, New World District, Montana TODD W. JOHNSON† 550 North McCarran Blvd...Nevada 89557 Abstract The Miller Creek, Homestake, and Daisy Pass resources contain 7,406,260 metric...intrusive complex within the New World district near Cooke City, Park County, in south-central Montana. The Homestake...Homestake replacement zones but is absent at Miller Creek. Replacement zones within the Homestake resource...subhorizontal replacement zones at Miller Creek and Daisy Pass are hosted by dolomitic limestone of the |  | | 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------------------------------------------------------ |  | | Report (issue) | | Geology and Ore Deposits of the Front Range Colorado By T. S. LO\'ERING and E. N. GODDARD GEOLOGICAL...cooperation with the Colorado State Geological Survey Board and the Colorado Metal Mining Fund ~ oopr is...__________________________________________ _ 1 Summary of mining districts---.---------------------Introduction...hornblende gneiss ____________ _ Quartzite at Coal Creek ________________ _ Igneous rocks _____________________________...Quartz diorite and associated hornblendite_ Boulder Creek granite _________________ _ Pikes Peak granite |  | | Journal (article/letter/editorial) | | Figure I (above). Pyrite, Alice Glory Hole, Clear Creek County. Cluster of intergrown crystals showing...Figure 2 (right). Pyrite, Mountain Spring mine, Rico, Dolores County. Cluster of modified cubes; specimen...C*O*L*O*R*A*D*O PYRITE BARBARA L. MUNTYAN Ouray County Museum Ouray, Colorado 81427 Mineral photographs by John R...Park City, Utah; Washington State; and numerous Colorado localities. Pyrite crystallizes in the isometric...Pyrite is the most common sulfide mineral found in Colorado; it is found in a wide variety of occurrences |  | | Report (volume) | | --------------------------- Rowley or Reliance mine, by J. A. ~acKallor_____________ PimaCountY----...claims_______________________________________ Pinal County _________________________ ------- ______ -----__...-----__ Santa Cruz CountY---------------------------------------Santo Ni:iio mine, by D. H. Kupfer__...____ Yavapai CountY----------------------------------------------Copper Basin district _______ ------...--------------__ Commercial mine ______ ------------------------------__ Copper Hill mine __________ -------- |  | | Journal (article/letter/editorial) | | Idarado mine, Ouray and San Miguel countries. Figure 2 (right). Cluster or doubly tenninated clear calcite...Fremont County. C-O-L-O-R-A-O-O CALCITE BARBARA L. MUNTYAN Ouray County Museum Ouray, Colorado 81427...Tennessee; the Viburnum Trend district, southeastern Missouri; the Tri-State district (Missouri-Kansas-Oklahoma);...Russia. Calcite also occurs at many localities in Colorado. Further, the state is the source of calcite as...marble (from the Yule quarry at Marble in Gunnison County) that has been used for many of the great monuments |  | | Journal (article/letter/editorial) | | August 2013 BARBARA L. MUNTYAN P.O. Box 495 Ouray, Colorado 8 I427 hodochrosite, a manganese carbonate with...Rhodochrosite has also been found in many localities in Colorado, particularly in the mines of the San luan Mountains...it i s one of the most recognized and coveted Colorado minerals. partiY DO e the presence of a mix...occurs in significant amounts in many mining districts of the Colorado mineral belt, a large, elongated,...extreme southwestem comer of Colorado. Most of the metal mining in Colorado has been within this belt since |  | | Journal (article/letter/editorial) | | International University] at 22:16 23 December 2014 Gold mining is not romantic, it is dirty, and it is very hard...played out on a daily basis in opening the Colorado mining frontier, however, are very much the stuff...generation had seen an Colorado showing the Colorado mineral belt and the location of the mining districts discussed...1940; Elliot West 1997, verbal com.). scope of this mining economy. There simply was no other ecoThe initial...of 1858 were nomic force to compare with that of mining during the first all made along streams on the |  | | 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 |  | | Journal (article/letter/editorial) | | octahedra, 0.75 inch on edge, from the Henderson mine, Clear Creek County. Figure 2 (right). Green fluorite...Mountain Wilderness area near Columbine Lake, La Plata County; largest crystal measures 1.25 inches on edge;... FLUORITE BARBARA L. MUNTYAN Ouray County Museum Ouray, Colorado 81427 Mineral photographs by John R...locations in Mexico; in Elmwood, Smith County, Tennessee, and in Hardin County, Illinois, in the United States;...eastern Russia. It also occurs in many localities in Colorado, where it is found in colors ranging from pale |  | | 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) | | 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) | | Julius Weber Mamaroneck, New York COLORADO ISSUE #2 Articles Colorado locality index.............................. 323 by B. L. Muntyan What’s new in Colorado minerals? ...................................... Famous mineral localities: the Home Sweet Home mine ..................................................339 by M. I. Jacobson The San Juan Mountains of Colorado ..................................349 by J. A...10 cm tall, from the Yucca Hill claim, Park County, Colorado. Richard A. Kosnar specimen; photo by John |  | | Report (issue) | | Oxidized Zinc Deposits of the United States Part 3. Colorado By ALLEN V. HEYL GEOLOGICAL SURVEY BULLETIN...deposits and the resources of oxidized zin.c ores in Colorado UNITED STATES· GOVERNMENT PRINTING OFFICE, WASHINGTON...19180xidized zinc deposits of the United States. Part 3. Colorado. Washington, U.S. Govt. Print. Off., 1964. vi...Bibliography : p. 88-91. 1. Zinc ores-Colorado. 2. Zinc mines and mining-Colorado. I. Title. (Series) For sale..._________ Rifle Creek district_ _ _ _____________ _ ___ ____ __ ________ __ __ __ Clear Creek County_____ |  | | Journal (article/letter/editorial) | | Inc. 1441 West 46th Avenue, Suite 14 Denver, Colorado 80211 eraines@ Icolorado.net The Great Irony...house. Photo hy Uycrs, CB.1904. courtcs\ Ouraj County Historical Society. Volume 75, November/December...campaign (Nevins Figure 2. Map of the Telluride district showing the principal veins, adits, and shafts...to Ed Raines, who researches Colorado ‘s geology, mineralogy, and mining history, is part owner of FRS...historic preservation efforts in the Leadville mining district. Downloaded by [UZH Hauptbibliothek / Zentralbibliothek |  | | 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 |
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