 | | Report (volume) | | BULLETIN 4=78 GEOLOGY AND ORE DEPOSITS NEAR LAKE CITY, COLORADO BY JOHN DUER IRVING AND HOWLAND BANCROFT........................................ Official mining districts.............................................. Hinsdale volcanic series........................................... Lake City district............................................ ^......... Hinsdale volcanic series......................................................... Ore deposits of Lake City district....................................... The |  | | Journal (article/letter/editorial) | | MultistageVein Ores of the Lake City District, Western San Juan Mountains,Colorado John,• F. SL^CK U.S. Geological...Polymetallic vein ores of the Lake City district, in the western San Juan Mountains, Colorado,have producedapproximately$12...northeast,and east sides of the 22.5-m.v.-old Lake City caldera. The veins,typically0.5 to 1.5 m wide...fractures and faults outside the ring fault of the Lake City caldera and within the moat area of the older...alterationcharacteristicallyis quartz-sericite-pyrite,grading laterally outward into rocks affectedby |  | Bove, Dana J., Hon, Ken, Budding, Karin E., Slack, John F., Snee, Lawrence W., Yeoman, Ross A. (2001) Geochronology and geology of late Oligocene through Miocene volcanism and mineralization in the western San Juan Mountains, Colorado. Professional Paper 1642. US Geological Survey doi:10.3133/pp1642 | Report (issue) | | Mineralization in the Western San Juan Mountains, Colorado U.S. Geological Survey Professional Paper 1642...outflow Fish Canyon Tuff (lower cliffs), near Lake City, Colo. Geochronology and Geology of Late Oligocene...Mineralization in the Western San Juan Mountains, Colorado By Dana J. Bove, Ken Hon, Karin E. Budding, John...mineralization in the western San Juan Mountains, Colorado / by Dana J. Bove ... [et al.]. p. cm. - (U.S...Geology—San Juan Mountains (Colo. and N.M.). 4. Geology—Colorado. 5. Volcanism—San Juan Mountains (Colo. and N |  | Lipman, P. W., Fisher, F. S., Mehnert, H. H., Naeser, C. W., Luedke, R. G., Steven, T. A. (1976) Multiple ages of mid-Tertiary mineralization and alteration in the western San Juan Mountains, Colorado. Economic Geology, 71 (3) 571-588 doi:10.2113/gsecongeo.71.3.571 | Journal (article/letter/editorial) | | nandAlteration in the WesternSanJuanMountains,Colorado PETERW. LIPMAN, FREDERICKS. FISHER, HARALDH. ][VIEHNERT...formation of the Uncompahgre,San Juan, Silverton, and Lake City calderas. The richest ore depositsare associatedwith...silicic porphyry. This associationis commonin many mining districtsin the Rocky Mountainsregion. waningstagesof...Needle ß Lo Plato Mrs ß ¸Durango • >• • ß COLORADO 37 ø NEW MEXICO 0 0 /I 25 25 50 MILES 50...SL, Son Luls H, Mt. Hope U, L, UN, Lake City Lost Lake Platore Ute Creek Uncompahgre Fro |  | | 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 |  | | Report (issue) | | COLORADO GEOLOGICAL SURVEY BOULDER R. D. GEOqGE, State Geologi.t BULLETIN 22 MINERAL DEPOSITS OF THE...oozi5137 EAME"S BROS, STATE PRINTERS FOR COLORADO DENVER. COLORADO GEOLOGICAL B O A R D His Excellency...Shoup George Norlin Governor of Colorado President University of Colorado Victor C. Aldersox.. Charles...TRANSMITTAL State Geological Survey, Uxiversity of Colorado, October 28, 1920. Governor Oliver H. Shoup. Chairman...honor to transmit herewith Bulletin 22 of the Colorado Geological Survey. Very respectfully, R. D. George |  | | Journal (issue) | | am We are pleased to have Joe Marty from Salt Lake City with us for the day. He will be talking and showing...showing pictures of "The Minerals of the Colorado Plateau". Joe is an avid collector and is scheduled...Wisniewski of Wendell, Idaho, Jim Johnson of Atlantic Mine, Michigan and Dan Johnson of Spring Creek, Nevada...great grandchildren. His interest in mineral and mining was something that he liked to share with schools...occurrences. California Mines Aga Mine. Baker, San Bernardino County In January of 2004 the rare CulPb |  | | Report (volume) | | THE ! UNCOMPAHGRE PRIMITIVE AREA, "OT TTHWESTERN COLORADO - c-t SURVEY BULLETIN 1391-E Mineral Resources...Primitive Area, San Juan Mountains, Southwestern Colorado By T. A. STEVEN, P. W. LIPMAN, F. S. FISHER, U...primitive area, San Juan Mountains, southwestern Colorado. (Studies related to wilderness primitive areas)...I 19.3-.1391-E 1. Mines and mineral resources Colorado San Juan Mountains. I. Steven, Thomas August,...Primitive Area, San Juan Mountains, southwestern Colorado, and some adjoining national forest lands that |  | | Report (issue) | | . . . . . . . . . . . . . . . . . 1 Chapter I. Mining Districts of Counties and the State of Utah. .... . . . . . . . . . . . . . . . . . . . . . . 1 County Listings. . . . . . . . . . . . . . . . . . . ... . . . . . . . . . . . . . . . . 1 Chapter II. Mining Districts of Utah . . . . . . . . . . . . . . .... . . . . . . . 4 Mineral Localities Listed by County . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . . 7 Beaver County . . . . . . . . . . . . . . . . . . . . . . . |  | | Report (issue) | | Selected Mining Districts of Utah by Carl L. Ege Headframe of Centennial Eureka mine, Tintic mining district...contact 1594 W. North Temple, Suite 3110 Salt Lake City, UT 84116 telephone: 801-537-3300 website: http://geology...1594 West North Temple #3710, Box 145610, Salt Lake City, UT 84116-5610 or Equal Employment Opportunity... . . . . . . . . . . . . . . .1 What is a mining district? . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . .1 How many mining districts are there in Utah and are they still |  | | 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...enter must be obtained to prevent trespass. Old mine workings are dangerous and entering underground |  | | Report (issue) | | Eureka and Adjoining Districts San Juan Mountains, Colorado By WILBUR S. BURBANK and ROBERT G. LUEDKE GEOLOGICAL... 535 Prepared in cooperation with the Colorado State Mining Industrial Development Board A study of...-- __ ----- _--Exploration and mining ____________________________ _ Lake Emma-Ross Basin area ____________________...area ________________________________________ _ Treasure Mountain-Eureka Mountain area ____ -_--Brown Mountain...Juan, San Miguel, and Hinsdale Counties. 2. Geologic map of the Eureka district and adjoining areas. 3 |  | | Report (issue) | | ___________ ____ __ ________ ____ Silver Islet district ___________________ ~_____________________ Cache...________ ___ __ _______ __ _____ ____ __ ____ _ Salt Lake County_____________________________________________...lead-zinc mine________________________________ Park City or Uintah district________________________________..._______________________________ American Fork district (Alta area)___________________________ Alpine...______ Redmond district __________________________________ _:________ Millard County _______________ |  | | Report (issue) | | GEOLOGY AND ORE DEPOSITS OF THE KLONDIKE RIDGE AREA, COLORADO by J. D. Vogel U. S. Geological Survey OPEN...»;V;» ;^ :-«.- '.''.- . ;-' »^ *4i*' s *.^,* Hidden Treasure < .;' ?& »?;; «A ''»" J- ': - ' . Wallrock...*«¥ Mineralogy and jlaragenesiSK* 4 I 3 Hidden Treasure f3?deposit^* .^ »^ S;>^-| 7' ","s Sulf ide...Counties, Colorado. . . B. Descriptions of selected carnotite deposits. ..... Penju mine ............analyses of carnotite deposits in the Klondike district . . . D. Chemical and semiquantitative spectrographic |  | | Journal (article/letter/editorial) | | Minerals from the hidden t re a s u re and other mines in the ophir district T O O E L E C O U N T...soon afterward the Ophir mining district was organized. The Hidden Treasure, Chicago, and Sacramento...the most famous mines in the early days of Utah mining (Gilluly 1932), producing many millions of dollars...the district until 1972, when the Ophir Hill Consolidated mine closed. The Hidden Treasure mine lies...years, the mines in the Ophir district, especially the Hidden Treasure, have been among the more prolific |  | | Journal (issue) | | For August, 1935 __ __ ,,. PAe& The Boulder, Colorado, Tungsten Area. By Ronald L. Ives ........ 113............................. 12 3 Lake City Mining District, Colorado. By David Seaman ........... 124...The Boulder, Colorado, Tungsten Area By RONALD L. IVES Since the early days of placer mining mation is pre-Cambrian...pre-Cambrian, with three, in Colorado, those who panned the and possibly four mineralizations, the creeks...remainder FeWO, .... Ferberite hlgh country of Boulder County, Color20-80 % Mn WO., ado, near the town of Nederland |  | | Journal (article/letter/editorial) | | JANUARY-FEBRUARY,1967 SILVER-BEARING BLACK MINING D. F. HEWETT CALCITE DISTRICTS AND A. IN .... Tybo district, Nye County,Nevada ................................... Pioche, Lincoln County, Nevada.................................. Ophir district, Tooele County,Utah ..................................... San Franciscodistrict,Beaver County,Utah ........................... Tombstonedistrict, CochiseCounty...CochiseCounty, Arizona .......................... Lake Valley, Sierra County,New Mexico ......................... |  | | Journal (article/letter/editorial) | | Photographs January/February: Chalcopyrite on quartz, La Mine de Giraud, La Gardette, Bourg d’Oisan, Isère, France...Herkimer Diamond Mines, Inc., New port, Herkimer County, New York. Jeffrey B. Fast specimen and photo....cleavelandite, 49er Pocket, Oceanview mine, Pala district, San Diego County, California. Bill Larson specimen...photo. September/October: Gold, Mockingbird mine, Mariposa County, California. Collector’s Edge Minerals,...November/December: Amethyst, Treasure Chest Pocket, Jacksons Crossroads, Wilkes County, Georgia. Lisa Bennett |  | | Journal (issue) | | Portland office of DOGAMl. COVER PHOTO Iron Dyke Mine area. view is to the west across the Snake River...center of the photo are from the pre-1928 period of mining. Main adit portal is out of view at lower left...begins on next page. 38 OIL AND GAS NEWS Columbia County - Mist Gas Field Arco has become the second operator...at Mist with only its first well. The Columbia County 44-21, spudded on January 23 and completed February...1984, making a total of 19,987 Mcf of gas. Lane County Ty R. Settles drilled Cindy I in section 23, T |  | | Journal (article/letter/editorial) | | PHILIP D. RICHARDSON 1599 E. Evergreen Drive Salt Lake City, Utah 84106-3313 JAMES R. WILSON Weber State University...84408-2507 PAULA N. WILSON University of Utah Salt Lake City, Utah 84112-1183 sion to visit or collect material;...to collectors. Many specimens were produced when mining districts were active in the late 1800s through...districts mentioned below, most historically active mining districts in the state have been inactive for decades...exploration activity occurs on an irregular basis. Beaver County MINERAL COLLECTING IN THE STATE of Utah has undergone |  | | 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 (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 (article/letter/editorial) | | edu ENARGITE Longfellow Mine, Red Mountain District, San Juan County, Colorado Are all things beautiful...orebody of the Longfellow mine, Red Mountain district, San Juan County, Colorado. Specimen is 2.5 cm across...familiar example is pyrite and marcasite. Both are iron sulfide in composition, but pyrite crystals are isometric...chalcopyrite, tetrahedrite, sphalerite, galena, pyrite, calcite, and quartz, to name but a few. It is...Figure 2. Enargite trilling from Butte, Silver Bow County, Montana. Twin is 5 mm across and is on the specimen |  | | Report (volume) | | The Wallapai Mining District Cerbat Mountains Mohave County Arizona GEOLOGICAL SURVEY BULLETIN 978-E...978-E The Wallapai Mining District Cerbat Mountains Mohave County Arizona By MCCLELLAND G. DINGS CONTRIBUTIONS..._____ Champion mine.__--_--___________-____-_____ ___----______-___ Emerald Isle mine.______________...Descriptions of mines and prospects Continued Golconda mine-_______________________________________________...prospects.___________________________________ Hidden Treasure mlne__ ____--___-_-_______-_---_---___-_-___-Keystone |  | | Report (issue) | | Economic Geology of the ·central City District .Gilpin County, Colorado By PAUL K. SIMS, A. A. DRAKE, ]R...Economic geology of the Central City district, Gilpin County, Colorado, by Paul K. Sims, A.A. Drake,....Central City district, Gilpin County, Colorado. 1963. (Card 2) 1. Geology, Economic-Colorado-Central... City district. 2. Ore-deposits-Colorado-Central City district. 3. Mines and mineral re. sources-Colorado-Central...sources-Colorado-Central City district. I. Drake, Avery Ala, 1927joint author. II. Tooker, Edwin Wilson, 1923- joint |
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