 | 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 |  | | 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 |  | | 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) | | 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) | | 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 |  | 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) | | (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) | | 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) | | 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...Carbonate veins ___________________________ _ Pyrite-sphalerite-galena veins ________________ _ Ore bodies--...ores-----------------------------Mine descriptions----------------------------------Wilfley-Kimberly mine __ --------________________...Consolidated mine, Eldorado and Wilson mines, Felicia Grace mine, and Champion (New York) mine---------- |  | | 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) | | 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 |  | 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 (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 |  | | Journal (article/letter/editorial) | | Sweet Home rhodochrosite specimen mine, Alma District, Central Colorado: the porphyry molybdenum–fluorine...quartz– sphalerite–tetrahedrite–rhodochrosite–fluorite in the Sweet Home Mine, Alma District, Colorado were...For the last 13 years up until 2004, however, the mine has produced world-class rhodochrosite specimens...the nearby area; (4) a small pegmatite within the mine with an age (25.9±0.3 Ma) coincident with mineralization...Geological Engineering, Colorado School of Mines, 1516 Illinois Street, Golden, CO 80401, USA e-mail: pbartos@mines | | | Journal (article/letter/editorial) | | Sweet Home rhodochrosite specimen mine, Alma District, Central Colorado: the porphyry molybdenum–fluorine...quartz– sphalerite–tetrahedrite–rhodochrosite–fluorite in the Sweet Home Mine, Alma District, Colorado were...For the last 13 years up until 2004, however, the mine has produced world-class rhodochrosite specimens...the nearby area; (4) a small pegmatite within the mine with an age (25.9±0.3 Ma) coincident with mineralization...Geological Engineering, Colorado School of Mines, 1516 Illinois Street, Golden, CO 80401, USA e-mail: pbartos@mines |  | | 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 |  | | 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 |  | | Journal (issue) | | 85740 602-297-6709 Articles The Iron Cap mine, Graham County, A rizona..................................Ouray County, Colorado ............... 89 by B. & J. Muntyan Anatase on quartz from Ouray County, Colorado...7413 N. AZ Mowry Place Tucson, 85741 COVER: SPHALERITE crystal, 1.8 cm, on jo h an n sen ite from the...Finds made in Arizona (the Iron Cap mine) and in Ouray County, Colorado, are described in three articles...huge i show organized by Herb Duke at the Pima County Fairgrounds. Following the advertising section |  | | 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 |  | | 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 |  | | Journal (issue) | | Record Inc. Articles The Bunker Hill mine, Kellogg, Shoshone County, Id a h o 339 by N. Radford and J...by R. S. W. Braithwaite Barite from the Niobec mine, Chicoutimi, Quebec .....................355 by...G. Gagnon Minerals of the Yates uranium mine, Pontiac County, Quebec . 359 by D. L. Leavitt Shavano.................................. 361 by W. A. Henderson What’s new in minerals? .......................Showoff” both in a wide t& ge of sizes .. crystal clear, non-yeliowingx detracting from their contents! |  | | Journal (article/letter/editorial) | | Discovery, Mining History, Geology, and Specimen Mineralogy of Selected Occurrences in Central Colorado and...Inc. 1441 W. Forty-sixth Avenue Suite 14 Denver, Colorado 80211-2338 P art one of this article (July/August...of gold in Colorado and the mining history and geology/mineralogy of the Front Range mining districts...and California Gulch. THE CENTRAL COLORADO MINERAL BELT LAKE COUNTY 3,396,000 ounces, 1860-1 990 (Davis...Kelley’s Bar and then further upstream at Cache Creek, they found that they were once again too late. |  | | 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 |
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