 | | 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...fracturesand faultsexclusivelyon the north side of the Lake City caldera, witere vein minerals include' pyrite' |  | | Report (issue) | | INTERIOR GEOLOGICAL SURVEY The Gladiator Mine, Lake City, Colorado: The mineralogy and paragenesis of an...standards and stratigraphic nomenclature. Denver, Colorado CONTENTS Abstract............................................................... Geology and mine workings..........................................of the Lake City area, showing the location of some of the more prominent mines in Lake Mining district...Generalized geologic map of the Gladiator Mine Lake City, Colorado...................................... |  | | Report (issue) | | Paragenesis of the Pride of America Mine, Lake City, Hinsdale County, Colorado by Richard F. Sanford, Ann........... Geology of the mine area..................................... Mine workings and production history...PARAGENESIS OF THE PRIDE OF AMERICA MINE, LAKE CITY, HINSDALE COUNTY, COLORADO By Richard F. Sanford, Ann M...and Hugh O'Brien ABSTRACT The Pride of America Mine exposes two classic fissure-type veins in the Eureka...of the Sapinero Mesa Tuff. This small mine in the Galena District principally produced Ag, which occurs |  | | Report (issue) | | Veins and Vein Sediments, of the Golden Wonder Mine Lake City, Colorado: an Epithermal Hot Springs Gold-Alunite...map, Lake City Area. Schematic west-east section, Golden Wonder Mine. West-east section, Golden Wonder...Wonder Mine. Plan view map, third level. Plan view map, east end of sixth level. Plan view map, fourth level... polished section, Cavity filling of pyrite-chalcopyrite and bedded alunite. Textural features in bedded...aggregates. Texture of chalcopyrite with alunite. Hot-spring model for the Golden Wonder Mine. Isothermal log |  | | Journal (issue) | | 46 ISSUE 12 All about My First Tucson Show Lake City Mines and Minerals Guatemala’s Secret Minerals...a special group of people. By Bob Jones LAKE CITY, COLORADO 34 Enjoy its mines, minerals and mountains...died Sunday, Sept. 18, 2016 at his home in Lake Havasu City, Arizona. He is survived by his second wife...The BECMM sponsors digs at the old Eureka Prospect mine near Marion, and it routinely produces the midnight-purple...that one can wear with pride! —Jerry Gehre Johnson City, TN CONTEST RULES Would you like to be named Lapidary |  | | Report (volume) | | Handles Peak Wilderness Study Areas, Hinsdale County, Colorado U.S. GEOLOGICAL SURVEY BULLETIN 1715-B...Handles Peak Wilderness Study Areas, Hinsdale County, Colorado By RICHARD F. SANFORD, RICHARD I. CRAUCH...RESOURCES OF WILDERNESS STUDY AREASSOUTHWESTERN COLORADO DEPARTMENT OF THE INTERIOR DONALD PAUL MODEL...Areas, Hinsdale County, Colorado. (Mineral resources of wilderness study areas southwestern Colorado ; ch...mineral resources Colorado Redcloud Peak Wilderness. 2. Mines and mineral resources Colorado Handies Peak |  | | 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 ____________________...Juan, San Miguel, and Hinsdale Counties. 2. Geologic map of the Eureka district and adjoining areas. 3...sections of the Eureka district and adjoining areas, San Juan, Ouray, and Hinsdale Counties, and explanation |  | | Journal (article/letter/editorial) | | [Northeastern University] at 11:57 17 November 2014 Husky Mine, Elsa, Yukon Territory, Canada T he ruby silvers...have been available in recent years from the Husky mine, Yukon Territory, Canada. Consequently, in keeping...this year’s Tucson Gem and Mineral Show, a Husky mine polybasite has been nominated as this issue’s Connoisseur’s...of the more interesting Colorado occurrences include mines of Clear Creek County, particularly in the Georgetown...American Sisters, and Colorado Central mines; elsewhere in Clear Creek County crystals and masses to |  | | Journal (article/letter/editorial) | | at the Empress Josephine mine, Kerber Creek district, Saguache County, Colorado, remains the only described...analysis of material from the May Day mine, La Plata district, Colorado, confirms the above composition. Stuetzite...analysis locality and the Golden Fleece mine, Lake City, Hinsdale County, Colorado. INrnooucrrox Stuetzitewas...material from the Empress Josephine mine, Kerber Creek district, Colorado, and who supplied Prof. R. D. Georgewith...locality is from the collectionsof the University of Colorado (UC1649) and was donated by ProfessorGeorgeas |  | | Journal (article/letter/editorial) | | 02:13 13 March 2015 CALAVERITE Cripple Creek, Colorado W ith the exception of native gold and electrum...Cripple Creek district, essentially subsequent to the development of all other Colorado gold districts...suggested for this issue, much of which is devoted to Colorado minerals. Calaverite is a yellowish to silver-white...telluride. Analyses of calaverite from the Kirkland Lake district, Ontario, Canada, show up to several tenths...1995). Calaverite is known from the Star mine in Montgomery County, North Carolina, where it occurs rarely |  | | 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 |  | 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 |  | | Report (issue) | | Wilderness Study Area, western San Juan Mountains, Colorado* by Ken Hon, Dana J. Bove, and V. J. S. Grauch...S. Geological Survey, Federal Center, Denver, Colorado, 80225 STUDIES RELATED TO WILDERNESS Bureau...Wilderness Study Area (CO-030-217), Ouray and Hinsdale Counties, Colorado. SUMMARY The western San Juan Mountains...volcanic field that covered much of south-central Colorado during Oligocene and Miocene time. The earliest...coalesced and nested calderas that extends from Lake City to Silverton. The main stage of caldera-forming |  | | 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 |  | Weiland, Erick F., Lindemann, J.W., Connors, R.A., Meyers, W.T., Johnson, S.A., Heran, W.D. (1981) Geochemical and geostatistical evaluation of American Flats-Silverton planning units, San Juan volcanic province, Colorado. Open-File Report Vol. 1981 (81-599) US Geological Survey doi:10.3133/ofr81599 | Report (issue) | | FlatsSilverton Planning Units, San Juan Volcanic Province, Colorado by E. F. Weiland, J. W. Lindemann, R. A. Connors...FLATS-SILVERTON PLANNING UNITS SAN JUAN VOLCANIC PROVINCE, COLORADO Prepared for: United States Bureau of Land Management...Research Inc. 1626 Cole Blvd., Suite 120 Golden, Colorado 80401 September 26, 1980 BARRINGER RESEARCH...American Flats-Silverton Planning Units in southwest Colorado (fig. 1). Barringer Research Incorporated conducted...San Juan Mountains, between Silverton and Lake City, Colorado (fig. 1). The study was done to further assess |  | | 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) | | Radioactivity in the Metal-Mining Districts of the San Juan Mountains Colorado GEOLOGICAL SURVEY --*_-...Radioactivity in the Metal-Mining Districts of the San Juan Mountains Colorado By C. T. PIERSON, W. F. WEEKS...radioactivity in the metal-mining districts of the San Juan Mountains, Colorado, by C. T. Pierson, W. F..._______________ CeboUa district..______________________________ Upper Uncompahgre district. ______ _________________________...Uranium occurrences___________ ________ __ Bonanza district..____________________ ___________________ General |  | | 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) | | Thomssen Mineral Exploration Consultants Carson City, NV photography: Nelly Bariand Sorbonne Paris, France...R. Kampf Natural History Museum of Los Angeles County Arthur Roe Tucson, AZ Abraham Rosenzweig University...Behnke Famous mineral localities: the Corrego Frio mine and vicinity, Minas Gerais, Brazil ...............Person-other—Other persons such as miners, field assistants, mine managers, etc. Place —Used when a mineral is named...Czechoslovakia France Germany Japan Italy Mexico Namibia USSR USA Zaire Total Total number of species during 5-year |  | | Report (issue) | | The Triangle of Colorado Mountains of Minerals Contributors David W. Bunk, Robert B. Cook, Don Earnest... Contents PAGE4 PAGE 10 4 The San Juan Triangle of Colorado Ho for the San Juans! by Duane A. Smith, Mark...and Karen A. Vendl L ocated in southwestern Colorado and covering over 31,000 square kilometers, the...zinc, tungsten, and copper. In 1896 world-renowned mining engineer Thomas ''T.A." Rickard called the San...Colorado's four great mining regions along with Leadville, Cripple Creek, and Central City (Smith, 1996). The |  | | Report (issue) | | deposit. Table 4, part B, gives an alphabetic list of mine and properties followed by the deposit name. CHARACTERISTICS...deposits used in Table 1 may represent a major mine, district name, or local town name or other prominent... Pyrrhotite appears to be been reported in just a single mine in the East Belt of the Sierra Nevada foothills...86 percent of the districts in Nova Scotia. Chalcopyrite was "very minor" in the Mother Lode (Knopf,...Victoria (Junner, 1921). Hotz (1971) reports that chalcopyrite was uncommon in deposits of this type in the |  | | Report (issue) | | LODE MINING IN THE QUARTZBURG AND GRIMES PASS PORPHYRY BELT, BOISE BASIN, IDAHO. By E. L. JONES, Jr....considered advisable because of the recent important mining developments along this belt and because of frequent...the Boise Basin as a whole. ACKNOWLEDGMENTS. The mining men of the Boise Basin extended many courtesies...Boise Basin are shown by mine symbols and numbers. i Lindgren, Waldemar, The mining districts of the Idaho...LOCATION. The Boise Basin, which lies in Boise County, Idaho, is an intermontane depression near the |  | | Journal (article/letter/editorial) | | deposition andemplacement of the host rock, size of the district,temperaturesof mineraldeposition,chemicalcomposition...type(Goldfield,Nevada)andtheadulariasericitetype (Creede,Colorado;RoundMountain,Nevada).Bothtypeshavegold-richand...ivided into Two Types,with SelectedReferences District Selected references Acid-sulfatetype Ransome(1901)...Lindgren (1900) Tonopah, NV Comstock, NV Silver City, ID De Lamar, ID Round Mtn., NV Pansze (1975)...ositsis illustrated by thePrideof theWestmine,Colorado,a gold-rich, dominantlyvolcanic-hosted vein systemthat |  | | Report (volume) | | REPORT ECONOMIC GEOLOGT 7 SILVERTON QUADRANGLE, COLORADO FREDERICK RANSOME WASHINGTON GOVERNMENT PRINTING.................../................:. Methods of mining and treatment of ores....-....--. ...... ........................ ...... ....... Lodes of Silver Lake Basin... ..................... ...................Silver Lake mine..... . -.-.-..--....-.---..-.-. ....................... 145 145 145 149 Iowa mine ......Royal Tiger mine......................... 159 ......--.....-....-.-....-. Buckeye mine ........... |
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