 | | 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) | | Sediments, of the Golden Wonder Mine Lake City, Colorado: an Epithermal Hot Springs Gold-Alunite Deposit...Generalized geologic map, Lake City Area. Schematic west-east section, Golden Wonder Mine. West-east section...section, Golden Wonder Mine. Plan view map, third level. Plan view map, east end of sixth level. Plan view map...chalcopyrite with alunite. Hot-spring model for the Golden Wonder Mine. Isothermal log fO£-fS2 diagram, 250^C, 1...solubility of gold; stability of important minerals. TABLE Table 1. Minerals in the Golden Wonder Mine 11 |  | | 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) | | COLORADO e Gold Hill 0 DENVER Wulfenite Occurrences in Colorado Leadville 0 1 Tincup 03 . 4 Lake...Lake City Downloaded by [McGill University Library] at 17:52 26 February 2015 TOM ROSEMEYER 1632 Camp...Camp Bird Mine Road P.O.Box 586 Ouray, Colorado 81427 CONNOISSEURS OF WULFENITE probably do not think of...of Colorado as a noteworthy state that has produced fine specimens of wulfenite. Surprisingly though,...deposits throughout the state. A good portion of the Colorado wulfenite localities do not compare with those |  | | 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...SECRET MINERALS 56 Seek tourmaline, amethyst, jade or gold, and you shall find. By Michael M. Sherer A ROCKHOUND...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 |  | | 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...................................... |  | | 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' |  | Doe, B. R., Steven, T. A., Delevaux, M. H., Stacey, J. S., Lipman, P. W., Fisher, F. S. (1979) Genesis of ore deposits in the San Juan volcanic field, southwestern Colorado; lead isotope evidence. Economic Geology, 74 (1) 1-26 doi:10.2113/gsecongeo.74.1.1 | Journal (article/letter/editorial) | | Depositsin the SanJuanVolcanicField, Southwestern Colorado LeadIsotopeEvidence B. R. DOE,T. A. STEVEN,M....other deposits (Summitville, Jasper, Red Mountain district) have values of 2ø•Pb/•ø4Pbsimilar to those of...have lead isotopiccompositions that are portant mining districts. Studies of lead in the as- more radiogenicthan...Antonito COLORADO NEW MEXICO L 0 100 KILOMETERS Fro. 1. Index map of southxvestern Colorado, showing...1) were collectedare: the Beidel center (B), Sky City center (S), Baughman Creek center (BC), Summer Coon |  | | Report (issue) | | Series 30 Bibliography and Index of Colorado Geology, 1984-1989 Colorado Geological Survey Department of...Resources Denver, Colorado 1990 Information Series 30 Bibliography and Index of Colorado Geology, 1984-1989...Institute under contract to the Colorado Geological Survey Colorado Geological Survey Department of...of Natural Resources Denver, Colorado 1990 ii FOREWORD In recognition of the need to more effectively...published literature on the state's geology, the Colorado Geological Survey is pleased to release Information |  | | 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...For the past 250 years, men have sought to extract gold and silver from these mountains. However, it was...the extent of their mineral wealth. In addition to gold and silver, the region produced economic quantities |  | | Report (issue) | | Bibliography and Index of Colorado Geology 1983 by Atnerican Geological Institute Colorado Geological Survey...Resources Denver, Colorado I 1987 Information Series 21 BIBLIOGRAPHY AND INDEX OF COLORADO GEOLOGY 1983...Geological Institute Colorado Geological Survey Department of Natural Resources Denver, Colorado 1987 The Colorado...opportunity employer. ii BIBLIOGRAPHY AND INDEX OF COLORADO GEOLOGY SERIALS LIST AAPG Bullett n. [Tulsa... New York, NY: Society of Mining Engineers of American Institute of Mining, Metallurgical and Petroleum |  | Hon, Ken, Ludwig, K. R., Simmons, K. R., Slack, John F., Grauch, R. I. (1985) U-Pb isochron age and Pb isotope systematics of the Golden Fleece vein; implications for the relationship of mineralization to the Lake City Caldera, western San Juan Mountains, Colorado. Economic Geology, 80 (2) 410-417 doi:10.2113/gsecongeo.80.2.410 | Journal (article/letter/editorial) | | Systematicsof the Golden Fleece Vein Implications for the Relationshipof Mineralization to the Lake City Caldera...Caldera, Western San Juan Mountains, Colorado KEN HON, K. R. LUDWIG, K. R. SIMMONS, U.S. GeologicalSurvey,Denver...determinedfor the Golden Fleece vein, southwesternColorado,which containsan assemblageof pitchblendeand gold-silver...gold-silver telluridesunique within the Lake City area. Initial Pb isotoperatiosof ore samplesfrom the vein(2ø•*Pb/2ø•Pb...related to the 23.1-m.y.-old Lake City caldera.Other veinsin the Lake City areahavePb isotoperatiosand |  | Collins, Donley S., Cobban, Robert R., Foord, Eugene E., Murphy, Jack A. (1989) Bibliography for update and revision of U.S.G.S. Bulletin 1114, Minerals of Colorado -- a 100 year record, by Edwin B. Eckel, Part A - Paper copy --Bibliography data file disks. Open-File Report Vol. 1989 (89-206) US Geological Survey doi:10.3133/ofr89206a | Report (issue) | | Survey Denver, Colorado Department of Geology, Denver Museum of Natural History Denver, Colorado NOTE FOR...revision of U.S.G.S. Bulletin 1114, Minerals of Colorado A 100 year record, by Edwin B. Eckel By Donley...Prepared in cooperation with Friends of Mineralogy - Colorado Chaptar, and the Denver Museum of Natural History...references dealing with the mineralogy of the state of Colorado. It is part of a more than 10 year effort to update...and revise U.S.G.S. Bulletin 1114, Minerals of Colorado: A 100 year record, by Edwin B. Eckel (1961). |  | | Report (issue) | | __ 27 ~----- 27 Ore Deposits . . History of Mining Gold Veins._________________________ . Copper Deposit"Placers...Ox Bow Mine Gowan Mine Golden Wonder Mine. Single Standard Mine Zulu Mine Bishop's Knol! Mine ~ Silver...Silver Butte Mine . Prospects ~ DED UCTIONS 9 ------------ 12 17 .__________________ 17 .__ 17 .. ECONOMIC...ECONOMIC GEOLOGY Mineralogy Gold Minerals. Silver Minerals. Lead Minerals ~ Copper Minerals . Iron Minerals...39 . 40 ~ __ 40 40 . 41 42 . . 42 . .... 4-3 GOLD AND COPPER DEPOSITS NEAR PAYSON, ARIZONA By CARL |  | | Journal (article/letter/editorial) | | Location and Name The Colorado Quartz mine is located in west-central Mariposa County, California, about...due north of the town of Mariposa. It is along Colorado Quartz Road west of California Highway 140, northwest...community of Midpines. The mine, which is separated from the Mockingbird mine by the partial Artru patent...near the old mining camp of Colorado (Castello 1921) and may be assigned to either the Colorado or the Whitlock...Whitlock district (Clark 1970). The Colorado Quartz and surrounding mines are privately owned and not |  | | Book (edition) | | YEAR 1687"—DAVID T. DAY, CHIEF OF THE DIVISION OF MINING STATISTICS AND TECHNOLOGY WASHINGTON GOVERNMENT...exten sive deposits, such as coal and iron fields, gold belts, etc., are mentioned in general terms. 688...and consump tion, or better and cheaper means of mining, extraction, and convey ance to market, may in...correspondence has been carried on with geologists, mining engineers, and other local authorities, and various...ALABAMA—Mined. Mineralogical name. Coal, var. bitu minous. Gold. Common name. Remarks. Coal, bituminous coal |  | | Report (volume) | | Browns Canyon Wilderness Study Area, Chaffee County, Colorado U.S. GEOLOGICAL SURVEY BULLETIN 1716-C DEFINITION...the San Isabel National Forest, south-central Colorado: U.S. Geological Survey Bulletin 1638, p. 40-42...SOUTH-CENTRAL COLORADO Mineral Resources of the Browns Canyon Wilderness Study Area, Chaffee County, Colorado...Chaffee County, Colorado. (Mineral resources of wilderness study areas South-Central Colorado; ch. C)...Mines and mineral resources Colorado Browns Canyon Wilderness. 2. Geology Colorado Browns Canyon Wilderness |  | | Report (issue) | | Mineral Consultant, 695 South Ogden Street, Denver, Colorado 80209, U.S.A. Harold F. Bonham, Jr., University...Nevada 89557-0088, U.S.A. Eiji Izawa, Department of Mining, Faculty of Engineering, Kyushu University 36,...Fluid-inclusion and geochemical studies at the Emperor gold mine, Fiji; Unpub. Ph.D. dissertation, University of...S.A., 72 p. Ashley, R. P., 1974, Goldfield mining district, jLn Guidebook to the geology of four Tertiary...Ashley, R. P., 1982, Occurrence model for enargite-gold deposits, in Erickson, R. L., ed., Characteristics |  | | 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)...sis illustrated by thePrideof theWestmine,Colorado,a gold-rich, dominantlyvolcanic-hosted vein systemthat |  | | Journal (article/letter/editorial) | | Smithsonian Institution Washington, D.C. 20560, USA The Editor acknowledges, with thanks, the assistance...offall: The village of Andreevka, Slaviansky district, Donetz region, USSR. 48fN, 37.s°E. Date of fall:...(rOp.JlOBKA) Place of fall: The city of Goriovka, Donets district, Ukrainian SSR, USSR. 48.3°N, 38.2°E...KANGt.'AN Place of fall: Village of Se Djabang, District of Kalisangka, Island of Kangean, Indonesia. 0...METEORITE Name: ANSWER Place of find: Near the Answer mine, south of Selwyn, Queensland, Australia. 054'25"E |  | | Report (issue) | | 1986, Geology and development of the Hishikari mine: Mining Geology, v. 36 (2), no. 196, p. 117. Adams,...Fluid-inclusion and geochemical studies at the Emperor gold mine, Fiji: Unpub. Ph.D. dissertation, University of...46, p. 9-24. Ashley, R. P., 1974, Goldfield mining district, in Guidebook to the geology of four Tertiary...Ashley, R. P., 1982, Occurrence model for enargite-gold deposits, in Erickson, R. L., ed., Characteristics...Distribution of gold and other metals in silicified rocks of the Goldfield mining district, Nevada: U.S |  | | Book (edition) | | MILEAGE L OGS. REVISED EDITION Revised Edition, COLORADO GEM TRAILS AND MINERAL GUIDE HICllAHD :--1. PEARL...an extensive ¥em and mineral collecting tour 01 Colorado, revealing the interesting places where Nature...Swallow, Publisher) 2679 South York Street Denver, Colorado 80210 - , =· - ·, BOOKS BY RICHARD M. PEARL...PEARL Exploring Rocks, Minerals, Fossils in Colorado America's Mountain: Pikes Peak and the Pikes Peak...Atlas of Colorado American Gem Trails Nature As Sculptor: A Geologic Interpretation of Colorado . Scenery |  | | Book (edition) | | — _ ; COLORADO GEM TRAILS AND MINERAL GUIDE ! ■ : ' BOOKS BY RICHARD M. PEARL Colorado Gem Trails...Trails and Mineral Guide Colorado Rocks, Minerals, Fossils America’s Mountain: Pikes Peak and the Pikes...Nature As Sculptor: A Geologic Interpretation of Colorado Scenery Guide to Geologic Literature Popular Gemology...Gemology Mineral Collectors Handbook Colorado Gem Trails The Art of Gem Cutting (With Dr. H. C. Dake)...Dake) * RICHARD M. PEARL ★ COLORADO GEM TRAILS AND MINERAL GUIDE ★ SKETCH MAPS BY MIGNON WARDELL PEARL |  | | Report (issue) | | Map and Compilation of Structural Data From Lode-Gold Mineral Occurrences in the Chugach-Prince William...of previously published structural data from lode-gold mineral occurrences in the Chugach-Prince William...of the orocline west of Prince William Sound, the gold-bearing quartz veins are oriented perpendicular...at a small angle to the structural fabric. Most gold-quartz veins are found within the Valdez Group,...the formation of the gold-quartz veins. There are numerous examples where gold-bearing quartz veins cut |  | | Report (issue) | | ARIZONA LODE GOLD MINES AND GOLD MINING by Eldred D. Wilson, J. B. Cunningham, and G. M. Butler Bulletin...University of Arizona Tucson ARIZONA LODE GOLD MINES AND GOLD MINING by Eldred D. Wilson, J. B. Cunningham...of Mines Bulletin No. 137, ARIZONA LODE GOLD MINES AND MINING, was originally issued in 1934 in response...1930's for authoritative information on Arizona's gold deposits. After several reprintings, the bulletin...II and, in view of the restrictions placed on gold mining during the war, it was not considered necessary |
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