 | | Report (volume) | | Zinc-Copper-Lead Sulfides and Zinc Spinel (Gahnite) in Colorado U,S. GEOLOGICAL SURVEY BULLETIN 1550 , Precambrian...Zinc-Copper-Lead Sulfides and Zinc Spinel (Gahnite) in Colorado By DOUGLAS M. SHERIDAN and WILLIAM H. RAYMOND...zinc-copper-lead sulfides and zinc spinel (gahnite) in Colorado. (Geological Survey bulletin ; 1550) Bibliography:...Geology, Stratigraphic-Precambrian. 3. Geology-Colorado. I. Raymond, William H. II. Title. III. Series...potential . . . . . . . . Deposits in other areas in Colorado Distribution and significance of gahnite Economic |  | | Journal (article/letter/editorial) | | METAMORPHOSED PROTEROZOIC BASE-METAL SULFIDE OCCURRENCES, COLORADO: A RE-EVALUATION OF GAHNITE COMPOSITION AS A GUIDE...metamorphosed to the amphibolite and granulite facies in Colorado, many of which are spatially associated with Mg-rich...sulfide ores. Zincian spinel from the Independence, Bon Ton, and Sedalia deposits and some cases from the Green...massive-sulfide deposits in Mg-rich alteration zones in Colorado, causes a marked enrichment in the spinel component...guide, massive sulfides, magnesium enrichment, Colorado. SOMMAIRE Le spinelle zincifère [(Zn,Fe,Mg)Al2O4] |  | | Report (issue) | | Quadrangle, Colorado GEOLOGICAL SURVEY PROFESSIONAL Prepared in cooperation with the Colorado State Geological...Geological Survey Board and the Colorado Metal Mining Fund PAPER 289 Geology and Ore Deposits of...of the Garfield Quadrangle, Colorado By McCLELLAND G. DINGS and CHARLES S. ROBINSON GEOLOGICAL SURVEY...in cooperation with the Colorado State Geological Survey Board and the Colorado Metal Mitting Fund. A..._ Fremont dolomite _________________________ _ Chaffee formation __________________________ _ Leadville |  | | 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...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...intrusive rocks and associated ore deposits in the Colorado Mineral Belt / by Charles G. Cunningham ... [et |  | | Report (issue) | | Sedalia mine area and its Proterozoic deposits of base-metal sulfides and gahnite, Chaffee County, Colorado...standards and stratigraphic nomenclature. Denver, Colorado CONTENTS Page Abstract.................................................. Rocks of the Sedalia mine area.......................................... Proterozoic...1. Geologic map of the Sedalia mine area, Chaffee County, Colorado....................................the Sedalia mine and of other Proterozoic sulfide deposits in the Salida area, Colorado............. |  | | 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 |  | | 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 |  | | Book (edition) | | LAZULI TURQUOISE GARNET ONYX • PERIDOT* • ZIRCON • CARNELIAN TOURMALINE OPALS • AOATI • ...SPINEL STAUROLITE •^^ VESUVIANITE WILLEMITE ZIRCON CRYSTALS Crystal forms 5 velopment of one face...associated with such rocks. Because hard rock mining amateur will usually get is tedious and expensive...feldspar quarries in pegmatite deposits, mines and mine dumps, and from "float" deposits, minerals loose...should always ask permission it may be un- or a mine dvmip. Cleanliness around a camp site and removal |  | | Report (volume) | | Geophysical Union.. Transactions, American Institute of Mining and Metallurgical Engineers _..._ American Journal...Mines Special Reports _.......__ ________ Colorado Mining Association publications . Economic Geology...Geology. _ . _ ___... Engineering and Mining Journal _ , Geochimica et Cosmochimica Acta _ Bulletin, Geological...of Sedimentary Petrology_...__._ Mines Magazine Mining Engineering ........___..._...._____ Advances in...the areas and subjects are listed under States, "Colorado Plateau," "United States," or under a few subject |  | | Report (volume) | | . 234 " y { " ,-t .. .~,:",. I " , COLORADO "or.! _ +, (~ STATE OF .~ :'(' COL~ADO /... BULLETIN 40 RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BlaLlllGRAPHY by James L. Nelson-Moore,...Energy COLORADO GEOLOGICAL SURVEY DEPARTMENT OF NATURAL RESUURCES STATE OF COLORADO DENVER, COLORADO 1978...ete 11 st r ng of rad i aaet 1ve occurrences 1n Colorado, with a comprehensive blbi iography and bibliographic...on the Colorado Plateau sparked several periods of exploratIon that ultimately led to a mining "boom ll |  | | Report (issue) | | _________________ ___. Nevada ___________ Elko County. - ______ ... _ Star mine, Harrison Pass _____ ____ Pag« 59...63 Good Hope barite mine, Tuscarora Range _____ _ ._. ________ Humboldt County Golconda manganese-tungsten...Ltd., mine...... --_--______.______ Lincoln County__-__-----_-----_-----___ Tern Piute district.........district____ .________..__ Nevada Scheelite mine.. _ ______ Hooper No. 2 mine __ _____ _ _ Yankee Girl mine_______________...Mountains_____________.____ Desert Scheelite mine..... _______ Gunmetal mine _ ___________ _ Manganese-tungsten |  | | Journal (volume) | | LOGAN, District Mining Engineer C. McK. Laizure, District W. Burling Tucker, Reid J. _ Mining Engineer...Engineer District Sampson, Assistant Mining Engineer District Engineer Chas. V. Averii.l, District Mining...Mining Engineer J. C. O'Brien, District Mining Engineer George John Gary, Mineral Technologist L. ... Statistician and Curator G. Hubbard, Junior Mining Engineer (Librarian) San Francisco Sacramento... CONTENTS Page REPORTS OF DISTRICT MINING ENGINEERS Sacramento Field District 6 7 Mines and Mineral Resources |  | | 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,. Jr...Central City district, Gilpin County, Colorado. 1963. (Card 2) 1. Geology, Economic-Colorado-Central City...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 |  | | Report (issue) | | GEOLOGY AND ORE DEPOSITS OF TILE LEADVILLE MINING DISTRICT, COLORADO BY S. F. EMMONS, J. D. IRVING, AND G...anticline _ Origin of the Iron-Mikado fault 61 Colorado Prince anticline _ group _ 95 61 Mosquito Gulch...fold-fault _ Faults in the eastern part of the district 95 62 Kokomo syncline_ Faults southeast_ of _..._ Leadville 62 the_ Fryer Hill folds _ 62 district _ 95 Warping and drag along normal faults, _ _ _ 96...103 66 and Mike faults _ Iron Hill _ 103 66 Tucson mine _ Area between Iron and Adelaide faults_ _ _ Yak_ |  | | Report (issue) | | Geology of Precambrian Rocks Central City District Colorado GEOLOGICAL SURVEY PROFESSIONAL PAPER 474-C... Geology of Precambrian Rocks Central City District Colorado By P. K. SIMS and D. J. GABLE SHORTER CONTRIBUTIONS...1918Geology of Precambrian rocks, Central City district, Colorado, by P. K. Sims and D. J. Gable. Washington...City district, Colorado. 1964. (Card2) 1. Geology, Stratigraphic Pre-Cambrian. 2. Geology Colorado Gilpin...Central City district, Gilpin County, Colorado. 2. Geologic sections of the Central City district, Gilpin |  | | Book (edition) | | Wu!fenite. Red Cloud mine, Si/district, Trigo Mountains, La Paz County, Arizona. Smithsonian Institution...and Second Editions PART 2 HISTORY OF ARIZONA MINING AND MINERALOGY The Prehistoric Period 20 Arizona...Deposits 63 The Bisbee District, Cochise County 64 The Tombstone District, Cochise County 70 The Mammoth-St...Mammoth-St. Anthony Mine, Tiger, Pinal County 78 Uranium and Vanadium Deposits 80 Monument Valley 81 - • Vll...Breccia Pipes 87 Pegmatites 88 "Mine Fire" Minerals, United Verde Mine, Jerome Arizona Meteorites PART | | | Book (edition) | | Wulfenite. Red Cloud mine, Silver district, Trigo Mountains, La Paz County, Arizona. Smithsonian Institution...and Second Editions PART 2 HISTORY OF ARIZONA MINING The Prehistoric Period 20 Arizona Under Spanish...Deposits The Bisbee District, Cochise County 64 70 The Tombstone District, Cochise County The Mammoth-St.... Anthony Mine, Tiger, Pinal County Uranium and Vanadium Deposits 80 Monument Valley 81 63 78 il S:...Breccia Pipes 87 Pegmatites 88 “Mine Fire” Minerals, United Verde Mine, Jerome Arizona Meteorites 93 PART |  | | Report (Issue volume) | | these card catalogues would be as useful to the mining industry as they have proved to be to the Division...and expense involved are justified and that the mining industry will find that having this material readily...accumulating steadily since 1853, when the first mine (a coal property) was developed. Actually it antedates...During the 90 years or more that prospecting and mining have been active, a vast amount of information...extensively to the fund of published data. Also, mining journals and periodicals, many of which are no |  | | Book (edition) | | McDonald Co\·er photo: \\ 7 ulfenite, Rowley Mine, Maricopa County, 4 cm high specimen, Evan and Melissa Jones...used mining districts as part of the locality description. These political and geographic district names...with a more descriptive term, metallic mineral district. This term shows the geochemical and mineralogical...reader to learn more about the geology of the district and to possibly predict the minerals that could...districts. Where possible, the metallic mineral district for each mineral locality is given for the mineral |  | | Journal (volume) | | Logan, District Mining Engineer McK. Laizure, District W. Burling Tucker, Reid J. Mining Engineer...Engineer District Sampson, Assistant Mining Engineer District Engineer Chas. V. Averill, District Mining...Statistician and Curator Herbert A. Franke, Junior Mining Engineer (Librarian) — Sacramento San Francisco...REPORTS OF DISTRICT MINING ENGINEERS 7 Redding Field District 7 Sacramento Field District 7 Gold...Mines of Placer County 7 San Francisco Field District 07 Los Angeles Field District 97 GEOLOGIC BRANCH |  | | Report (issue) | | and Butler, G. M.-Arizona lode gold mines and mining: Univ. Ariz., Ariz. Bur. Mines Bull. 137, 1934...Ariz., Ariz. Bur. Mines Bull. 148, 1941. Apache County 2: 17 Gregory, H. E.-Geology Prof. Paper 93, 1917...the Navajo country. U.S. Geol. Survey Cochise County 3:04 Ransome, F. L.-The geology and ore deposits...Tombstone district, Arizona: Univ. Ariz., Ariz. Bur. Mines Bull. 143, 1938. Gila County 4:03 Ransome...Ransome, F. L.-Geology of the Globe copper district, Arizona: U.S. Geol. Survey Prof. Paper 12, 1903. 4:19 |  | | Book (edition) | | at the outstanding shows of the annual San Diego County Fair at Del Mar, California. In addition, the collections...Los Angeles, California, E. M. Gunnell, Denver, Colorado, Specimen Minerals, Ltd., Woodville West, South...one species only, or even specimens only from one mine. Whatever limits the collector imposes on himself...IN DIA MOND CRYSTA L 0 / 0 0 direct ion s of bon ds .> 0 0 Schematic of electron orronge ment around...ground, appears quite undamaged on the outside. Zircon is commonly affected by thorium, as is monazite |  | | Report (issue) | | figures in Bulletin 140. Lode deposits Cochise County-Warren (Bisbee) and Turquoise districts, with ores...silver, and lead. Tombstone district, with lead-silver ores. Pearce district, with silver ores. Dragoon...Dragoon Mountains, Manzoro district. Dos Cabezas Mountains, Dos Cabezas and Teviston districts. Huachuca Mountains...Mountains. Swisshelm Mountains. Gila County-Globe-Miami district, with ores of copper and silver. Dripping...Mountains, Barnes district, with ores of copper, lead, and silver. Payson district. Graham County-Galiuro Mountains | | | Book (edition) | | the out- standing shows of the annual San Diego County Fair at Del Mar, California. In addition, the collections... Denver, Australia, MinMassa- California, Colorado, Gregory, Speci- Bottley England, and others...one species only, or even specimens only from one mine. Whatever limits the collector imposes on himself...ground, appears quite undamaged on the outside. Zircon is commonly affected by thorium, as is monazite...purple crystals, 5” by 4”, lron Station, Lincoln County, North Carolina. CRYSTAL GROWTH 73 light from |  | | Journal (issue) | | ......... 15 W. E. Wilson The Piedmont mine, Yavapai County, Arizona ........................................ 29 B. L. Muntyan The San Manuel mine, Pinal County, Arizona ..................................Alexander The Morenci and Metcalf mines, . Gila County, Arizona ........................................& W. E. Wilson Mineral collecting at the Magma mine, . . Superior, Arizona ..........................Presmyk & M. Hay Treasures of the Magma mine, Pinal County, Arizona ............................... |
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