 | | Report (issue) | | Bldg., 2600 corridor, 18th and CSts.,NW. DENVER, Colorado-Federal Bldg., Rm. 169,1961 Stout St. LOS ANGELES...Center, Rm. 1C402,12201 Sunrise Valley Dr. SALT LAKE CITY, Utah-Federal Bldg., Rm. 8105,125 South State...ROLLA, Missouri-1400 Independence Rd. DENVER, Colorado-Map Distribution, Bldg. 810, Federal Center FAIRBANKS...Juan Mountains, Colorado By FREDERICKS. FISHER Gold in the Alma Mining District, Colorado By DANIEL R.... SHAWE Precious Metals in the Leadville Mining District, Colorado By TOMMY B. THOMPSON Part I is Chapter |  | | Report (issue) | | SURVEY Geologic setting of the Leadville mining district, Lake County, Colorado by Alan R. Wallace1 Open-File...Government. JDenver, Colorado PREFACE This geologic summary of the Leadville, Colorado, mining district...to the California Gulch Superfund Site in Leadville, Colorado. Under the agreement, the USGS provides expert...regarding the geology and mineral deposits of the Leadville mining district. The report, a summary based upon.................. 15 Pre-mining setting of the Leadville district .................................... |  | | Journal (article/letter/editorial) | | DEPOSITS IN AND ADJOINING THE LEADVILLE DISTRICT, G. F. LOUGHLIN COLORADO. • AND CHAS. H. BEHRE, JR.......................................... the Leadville district :2:2I .......................... ...:244 Comparisonwith certain other districts in Colorado, New Mexico, Idaho, and Utah ...................Loughlin, G. F.: Geology and Ore Deposits of the Leadville Mining District. U.S. Geol. Survey Prof. Paper...contraststronglywith the sulphidedepositsin the heart of the Leadville district and are assignedto the outer mesothermaland |  | | Report (issue) | | GEOLOGY AND ORE DEPOSITS OF TILE LEADVILLE MINING DISTRICT, COLORADO BY S. F. EMMONS, J. D. IRVING,...High terrace gravel_ 15 Low terrace gravel_ _ 17 "Lake beds"_ 17 Character and distribu17 tion _ Deformation...Relation to mineralization_31 Geologic age _ 31 Leadville limestone (" Blue " limestone) _ _ 32 Name_ 32...anticline _ Origin of the Iron-Mikado fault 61 Colorado Prince anticline _ group _ 95 61 Mosquito Gulch...Kokomo syncline_ Faults southeast_ of _ Leadville 62 the_ Fryer Hill folds _ 62 district _ 95 Warping and |  | | Report (issue) | | Carbonate-Hosted Sulfide Deposits of the Central Colorado Mineral Belt DAVID W . BEATY, GARY P . LANDIS...LANDIS, AND TOMMY B. THOMPSON, EDITORS Leadville-type ore Sherman-type ore TH E ECON0t-11C GEOLOGY PUBLIS...Geology, 91-A Yale Station, New Haven, CT 06520 Leadville-type ore (top) with rod-textured pyrite in a matrix...paralle l to host-rock bedding. Black Cloud mine, Leadville district. Sherman-type ore (bottom) in paleokarst...Carbonate-hosted sulfide deposits of the central Colorado mine ral belt: Introduction, general discussion |  | | Report (volume) | | Bulletin 779 GUIDES TO ORE IN THE LEADVILLE DISTRICT, COLORADO BY G. F. LOUGHLIN WASHINGTON GOVERNMENT...geology______ __ Guides available and their significance Breece Hill stock Other siliceous rocks_ _ Veins __________...along the most important inclined shafts in the Leadville district__________ ________________ 10 2. Plan...part of the Leadville district_____________ 10 3. Map of stoped ore bodies in Leadville district_______...blanket ore bodies in different parts of the Leadville district____ 16 5. Plan showing Tucson-Maid fault |  | | Journal (issue) | | R. Kampf Natural History Museum of Los Angeles County George Robinson National Museums of Canada Arthur........ .................... ..... ^ B lllii Leadville.................................................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 |  | | Journal (article/letter/editorial) | | of COLORADO ED RAINES Geology Museum Colorado School of Mines 1310 Maple Street Golden, Colorado 80401...Ouray County. Raines-Pettem collection, photographer unknown. B etween 1868 and 1922, Colorado produced...came from the Leadville district, with another 50 million pounds mined in San Juan County (Henderson 1926)...twentieth century, the Gilman district surpassed Leadville in total copper production with more than 210...mined (Beaty, Landis, and Thompson 1990). Total Colorado production prior to 1958 reached 585 million pounds |  | | Report (issue) | | Includes the. Leadville, Colorado, mining district. Prepared in cooperation with the Colorado State Geological...Geological Survey Board and the Colorado Metal Mining Fund UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON...High-level terraces,_____________________________ "Lake beds".__________________________________ Stratigraphy...___________ Dyer dolomite member. ___.____-__-_-___ Leadville dolomite------_------_----------__ Weber (?) ...Union syncline___ __________________________ Empire Hill syncline_ _-____-_-__--------_-__ Sheridan transverse |  | | Journal (article/letter/editorial) | | (above). Pyrite, Alice Glory Hole, Clear Creek County. Cluster of intergrown crystals showing light...(right). Pyrite, Mountain Spring mine, Rico, Dolores County. Cluster of modified cubes; specimen 2 by 2 inches;...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 |  | | Catalog/List | | 8 mm, 1 Spec.$12.50 1 to 2 mm 1 oz. GAYLUSSITE Lake Amboseli, Kenya Choice pale gray elongated skeletal...polybasite-acanthite PYRITE Leadville, Select assorted 11 t l Mexico chalcopyrite crystals. sections coating...hexagonal 5x5 to 5x8 mm 10 Specimens $ 9.50 Lake Co., Colorado golden modified cubic, pyritohedral crystals...SELENIUM Good Hope mine, Vulcan, Gunnison Co.,Colorado Select pure dark black granular powder. Five 3/4''...crystals or cubic crystal groups with minor golden chalcopyrite. (A) 2x3 mm to 3x4 mm 10 Specimens $ 7.50 25 |  | | Journal (issue) | | sites. Such locations include Franklin and Sterling Hill, New Jersey; Mt. St. Hilaire, Quebec; as well as.............................. 3 Legendary Leadville, Colorado ...........................................BACKBENDER'S GAZETTE T FEBRUARY 2015 Legendary Leadville, Colorado by Dr. Nathalie Brandes Professor of Geosciences...Houston Gem & Mineral Society he rocks around Leadville, Colorado host one of the largest lead-zincsilver deposits...rich deposits. Leadville, Colorado in November 2013. Photo by P. Brandes Leadville is located on the |  | | Journal (article/letter/editorial) | | •9•2 RECENT DEVELOPMENTS A LEADVILLE FISSURE No. 4- AT LEADVILLE.. VEIN. G. MONTAGUe. BUTLER...probablethat information concerningthe ore depositsof Leadville is more widely disseminatedthan is true in the...amountsto about sixty feet. RECENT DEVELOPMENT AT LEADVILLE. 317 Althoughthe faulting was distributedover...that the tion through Louemma shaft vein, Leadville, Colorado. managementpaid $70,000 in royal- and (Solid...sphaleritewith varying proportionsof galena,pyrite, and chalcopyrite. It is an interesting and suggestivefact that |  | | 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 |  | | Report (volume) | | DEPOSITS IN THE VICINITY OF THE LONDON FAULT OF COLORADO BY QUENTIN D. SINGEWALD AND B. S. BUTLER Prepared...Prepared in cooperation with the STATE OF COLORADO and the COLORADO METAL MINING FUND UNITED STATES GOVERNMENT...dolomite member _______________________________ Leadville limestone (Mississippian)_____.__.._._____.____-_-Weber... Geologic map of the Alma-Horseshoe district, Colorado. __ In pocket 2. Geologic sections of the Alma-Horseshoe...DEPOSITS IN THE VICINITY OF THE LONDON FAULT OF COLORADO By QUENTIN D. SINGEWALD and B. S. BUTLER ABSTRACT |  | | Book | | MINES AND MINERALS OF THE GREAT AMERICAN RIFT (COLORADO-NEW MEXICO) Sine —_—< ¢ te om At _SHT 40...MINES AND MINERALS OF THE GREAT AMERICAN RIFT (COLORADO-NEW MEXICO) Richard Walker Holmes and Marrianna...Mines and minerals of the Great American Rift (Colorado-New Mexico). Bibliography: p. Includes index...index. 1. Mines and mineral resources—Colorado. 2. Mines and mineral resources—New Mexico. I. Kennedy, Marrianna...minerals of the Great American Rift in New Mexico and Colorado. Great American Rift is the name we use for a |  | | Journal (issue) | | https://books.google.com Quarterly of the Colorado School ofMines Colorado School of Mines Volur C 2,06...Quarterly of the Colorado School of Mines APRIL, 1913 Issued Quarterly by the Colorado School ofMines...ofMines, Golden, Colorado Entered as Second Clans Mail Matter, July 10, 1906 , at the Postoffice at Golden...Golden , Colorado, under the Act ofCongress of July 16, 1894 . Volume Eight Number One Quarterly of the...the Colorado School of Mines APRIL, 1913 Issued Quarterly by the Colorado School of Mines, Golden, |  | Siron, Chris R., Thompson, John F.H., Baker, Tim, Darling, Robert, Dipple, Gregory (2019) Origin of Au-Rich Carbonate-Hosted Replacement Deposits of the Kassandra Mining District, Northern Greece: Evidence for Late Oligocene, Structurally Controlled, and Zoned Hydrothermal Systems. Economic Geology, 114 (7) 1389-1414 doi:10.5382/econgeo.4664 | Journal (article/letter/editorial) | | Sciences, Cornell University, Ithaca, New York 14853, USA 2 Eldorado 3 Geology 4 Mineral Gold Corporation...University of New York, Cortland, New York 13045, USA Deposit Research Unit, University of British Columbia...ron_et_al.pdf by Northwestern University user Lake Volvi n ea g Ae 4500000 mN ORIGIN OF Au-RICH...replacement of marcasite as documented at the Leadville deposit in Colorado (Thompson and Arehart, 1990). This distinct...indicates a similar paragenetic relationship. Chalcopyrite is a common minor sulfide mineral, and it typically |  | | Report (issue) | | Smith. Director Professional Paper 138 MINING IN COLORADO A HISTORY OF DISCOVERY, DEVELOPMENT AND PRODUCTJON...area, and organization of the mining counties of Colorado _________________________ _ Adams County_- __..._____________________ _ Alamosa County __________________________ _ Arapahoe County _________________________...Archuleta County _________________________ _ Baca CountY-----------------------------Boulder CountY------...CountY----------------------~----Chaffee County _____________________·______ _ Clear Creek County _______________________ |  | | Report (volume) | | ........................................ 46 Chalcopyrite...............................................rhombic crystal faces, from Nugget mine, Gilpin County, Colo.-................... II. A, Wedge-shaped...rhombic crystal faces, from Nugget mine, Gilpin County, Colo.............................. IV. A, Hiibnerite...crystals of wolframite embedded in quartz and chalcopyrite, from Cornwall, England.......................Clifton mining district, Deep Creek Mountains, Tooele County, Utah; B, Scheelite and gray quartz from Kimberly |  | | Report (issue) | | the Gulf Coast, Isthmus of Tehuantepec, and Utah-Colorado provindes. Index maps of the salt domes and salt...California Auschwitz mine, Lake County - 2, 4 Coso Range deposits, Inyo County - 14 Coyote Mountain deposits...deposits, Imperial County - 13 Crater (Last Chance Range) mine, Inyo County - 9, 11, 15, 16, 17 Elgin mine...mine, Colusa County - 6, 12 Full Moon deposit, Imperial County - 13 The Geysers, Sonoma County - 1, 18 Leviathan...Leviathan mine, Alpine County - 7, 17 Sulphur Bank mine, Lake County - 2, 4, 5, 6, 8, 12, 17; S 7 Supan |  | | Report (issue) | | Nevada .............................. Leadville district, Colorado ......................................(Red Cliff) district, Colorado ...................... Aspen district, Colorado ..................................................................... Colorado ................................................... ................................... Mineral Hill district ........................................................................................ Lake Valley district ............................... |  | | Report (volume) | | Intrusive Rocks ana Associated Ore Deposits in the Colorado Mineral Belt U.S. GEOLOGICAL SURVEY BULLETIN... Alaska Rm. 101,4230 University Dr. LAKEWOOD, Colorado Federal Center, Bldg. 810 MENLO PARK, California...Center, Rm. 1C402, 12201 Sunrise Valley Dr. SALT LAKE CITY, Utah Federal Bldg., Rm. 8105, 125 South State...Intrusive Rocks and Associated Ore Deposits in the Colorado Mineral Belt By Charles G. Cunningham, Charles...understand the temporal and spatial evolution of the Colorado Mineral Belt UNITED STATES GOVERNMENT PRINTING |  | | Journal (issue) | | Marvin Hanner Additions to the Ore Mineralogy of Colorado.................................................by Donald Grybeck Crystallized Minerals of the Colorado Mineral Belt....................................Lapidary Journal, 27, No. 7, 1040. ITALIAN MOUNTAIN, COLORADO by M. M. Groben Italian M ountain (elevation 13...betw een A spen and Crested Butte in w estern Colorado. Although probably visited by early miners, it...writing Alpine Exploration, Box 277, Crested Butte, Colorado 81224, for ap plication. A fee of S6.00 is requested |  | | Book (edition) | | mmed at Broken Arrow aud Trout creek, in Sc. Clair county. The strata in this field are more faulted und...prong of Canoe creek, in St. Clair county, to Ha\sop creek, in Bibb county, a distance of 60 miles. Down to...to Helena, in Shelby county, the field has an average width of 5 or 6 miles. Below that point the width...miles being in the latitud" of Blocton, in Bibb county. The south ern end of this field has a greater...Jefferson county; Helena, Montevallo, and Brierfield, Shelby county; and at Blocion. Bibb county. The Warrior |
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