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| 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...metamorphosed to lower amphibolite facies Deposits in the Gunnison area . . . . . . . . . . . Economic potential |
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| organization is carrying on for the direct advancement of mining interests throughout the country than can readily...GOLD LODES OF THE CARRVILLE DIS TRICT, TRINITY COUNTY, CALIFORNIA. By DONALD FRANCIS MACDONALD. INTRODUCTION...writer spent 10 days in the Carrville district, Trinity County, Cal., and, incidental to other work,... gathered some data on its mining geology. A paper on the gold gravels x was pub lished, but baggage...written. In November, 1910, another visit to the district was made, but inclement weather handicapped the |
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| Deposits of the . Philipsburg Dis ict .Granite County, Montaria GEOLOGICAL SURVEY _BULLETIN I' 1237... Geology and Ore Deposits of the Philipsburg District Granite County, Montana By WILLIAM C. PRINZ GEOLOGICAL...Nation's only battery-grade manganese dioxide district UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON...Philipsburg district. 2-6. Maps of part of the Philipsburg district, showing geology and mine workings at...feet. 7. Geologic sections of the Philipsburg district. 8. Longitudinal section of the lower part of |
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| 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...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]...treize gisements de sulfures protérozoïques au Colorado qui ont atteint le faciès amphibolite ou granulite |
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| Notes on the gold lodes of the Carrville district, Trinity County, Cal., by D. F. MacDpnald...............preliminary account of the ore deposits of the Loon Creek district, Idaho, byJ. B.Umpleby.............................................. Notes on the Antelope district, Nev., by F. C. Schrader................... Notes...Notes on the northern La Sal Mountains, Grand County, Utah, by J. M. Hill. Survey publications on gold............... COPPER: The Turquoise copper-mining district, Ariz., by F. L. Ransome........... Survey |
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| 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 |
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| University Auburn, Alabama 36849-5305 COPPER RAY MINE, PINAL COUNTY, ARIZONA Downloaded by [University of Regina]...cuprite, aragonite, azurite, calcite, chalcocite, chalcopyrite, chalcanthite, antlerite, and even hornblende...most notably those in the western mining states and the copper district of Michigan’s Keweenaw Peninsula...were found in a number of locations in the Bisbee district, Arizona (Graeme 1981), including crystals up...shaft, arborescent groups from the Copper Queen mine, and even postmining growths on old timbers in the |
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| Gulch-Deadwood district _______________ Whiskeytown district ______________________ Shasta-Redding district _____________________..._____________ Dog Creek (Delta) district __________________ Bully Choop (Indian Creek) district _______________..._______________ Harrison Gulch district ______________________ Hayfork district ___________________________ Minersville...Minersville district __________________________ Trinity Center district ________________________ Canyon...Canyon Creek-East Fork district _________________ 28 29 30 32 33 37 38 38 38 39 40 41 42 42 43 43 44 45 46 |
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| reactivemanganese oxide ores from the Philipsburg District indicate that the manganeseoxide minerals, in...Carbide Fellowshipin EconomicGeology. The TaylorKnapp Mining Companyof Philipsburg,Montana, is deservingof special...oxide-rhodochrosite ore in the True Fissure, Cliff Millsite,Headlight,andDurangomineswereexamined andsampled with the...L•VRENCE T. L•RSON I R. 13 W. EXPLANATION ß ' HEADLIGHT •' / I o. .--'....- .." •"• \ •._.- .......AND DIP '. '. •'.¾ ?'., •xxxx •AULTSAND VEINS MINE SHAFT ,•,' •' • ," •' ' ..-c.•,.•f, .-.•,• |
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| 922-G MANGANESE DEPOSITS AT PHILIPSBURG GRANITE COUNTY, MONTANA A PRELIMINARY REPORT BY E. N. GODDARD............................................. Headlight mine.................................... Geology...possibilities and reserves............. Scratch Awl mine.................................. Geology.........deposits.................................. Trout mine.......................................» History...map of the Philipsburg district.. In 27. Polished ore specimen from Algonquin mine<>. 28. Manganese-oxide |
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| ............................................. Colorado........................................................................................ 102 District of Columbia ....................................to refer to Geological Survey Bulletin 507, "The mining districts of the western United States," and to...abundant it may have been completely exhausted by mining or quarrying. Deposits of minerals that are widely...because they occur in sufficient quantity to warrant mining for their usual products, but because they furnish |
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| History of the Iron Industry in Utah · .1 Beaver County . . . . . . . . . . . . .2 Beaver Lake Mountains... .2 . . . . . . . . . . .2 Black Rock mine . . . Skylark mine . . . . . . . . . . . . . . . . . . . .... . · .. 4 Creole mine . . . . . . . . . . . . . . . . . . . . . · .. 4 Cave mine . . . . . . . . . ... 4 Iron mine . . . . . . ......... . . 10 Star Range deposits . . . . . .10 Copper King mine .10 Rocky...Rocky Range deposits . . . .10 Old Hickory mine . . . . · . 11 Montreal magnetite-copper property . . . |
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| continents and large regions. Conflicts between mining and other uses, such as recreation and urbanization...this value is from the Cornwall mine, but the ore body of the Grace mine near Morgantown appears to be...dollars worth of ore (Dillsburg, Boyertown, French Creek, Jones, Wheatfield, Fritz Island, Warwick and Bylers...Q The Friedensville zinc mine in type F is clearly the third largest mine in the state after Cornwall...type. The Gap nickel mine and the chromite deposits of the State Line district follow at $5-7 million |
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| GEORGETOWN QlJADRANGLE (TOGETHER 'VITH THE EMPIRE DISTRICT) COLORADo· BY JOSIAH E. SPURR AND GEORGE H. GARREY..................._.......... . Distribution in Colorado ............................................................ 102 Belt including Aspen and the Gunnison region ... _____ . __ . _. _. _............. _...Boulder County.............. . . . . . . . . . . . ......... . ....... . 103 Ores in Gilpin County .............................. . 103 Orcs in Clear Creek County ............................ . 103 Ores from |
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| vania is to-day. Gold Mining—Gold mines were first worked at South Pass, Fremont County, in 1867, since which...arranging to work some of them. The Douglas Creek placers in Albany County are -being worked and a number of new...Rock in Fremont County; Seminoe, Gold Hill and the Sierra Madre Moun¬ tains in Carbon County; Jelm, Medicine...Albany County; Black Plills in Crook County; Shoshone and Absaroka Mountains in Big Horn County, and the...carrying sil¬ ver, but at the Esterbrook mine, in northern Albany County, a vein of cerusite or silicious lead |
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| URANIUM GUIDEBOOK FOR THE PARADOX BASIN, UTAH AND COLORADO TABLE OF CONTENTS Page THE PARADOX BASIN OVERVIEW...AND MINING AREAS SLICK ROCK DISTRICT GYPSUM VALLEY DISTRICT BULL CANYON DISTRICT URAVAN DISTRICT GATEWAY...GATEWAY DISTRICT (EASTERN GATEWAY AREA) MC ELMO CREEK DRAINAGE AREA LA SAL CREEK AREA PARADOX DISTRICT BEAVER...VALLEY (BIG INDIAN) DISTRICT MOAB DISTRICT GREEN RIVER DISTRICT THOMPSONS DISTRICT INTER-RIVER REGION...INDIAN CREEK REGION DRY VALLEY DISTRICT COTTONWOOD AND BUTLER WASH AREAS MONTEZUMA CANYON DISTRICT SEVEN-MILE |
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| GEOLOGY AND ORE DEPOSITS OF THE BONANZA MINING DISTRICT, COLORADO BY W. S. BURBANK WITH A SECTION ON HISTORY...HENDERSON Prepared in cooperation with the COLORADO METAL MINING FUND UNITED STATES GOVERNMENT PRINTING...Geography _ ______________ ___-__-__ Situation of the district _ _ _________________ Topographic features. ....Previous geologic and topographic work in the district. ____ ___________._-__-______--__. Field work..._ Relation to ore deposits ____________ Brewer Creek latite-_---___-________-__ Distribution and stratigraphic |
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| ...................... Characteristics of the Colorado-type (Climax-type) molybdenum deposits readily...... Stratabound Precambrian sulfide deposits, Colorado and southern Wyoming, by D. M. Sheridan and W...of the Southeast Missouri base metal and barite district, by A. V. Heyl..................................structures containing Pags 3 Examples^ Skelletaa District, Sweden Hljura-Kotalenti Belt, Finland Thompson...(50-70 percent), pentlandite (10-35 percent), chalcopyrite (5-15 percent), pyrite (<0.5 percent) Mineralogy |
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| ......... 49. Other fire clay processed at the mine: quantity ..... .. ............ .... .. .......... 31 18 53. Plastic fire clay processed at the mine: value................................................. 19 54. Flint fire clay processed at the mine: value 32 18. Other clay mined: average value...ton.... 19 55. Other fire clay processed at the mine: value 32 19. Shale mined: average value per ton.... . 21 59. Plastic fire clay processed at the mine: average value per ton......................... |
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| ORE DEPOSITS OF THE SIERRITA MOUNTAINS, PIMA COUNTY, ARIZONA. By F. L. RANSOME. INTRODUCTION. The Sierrita...prospects within what is locally known as the Papago district, although they appear to be included within what...called the Sierritas district. On the east side of the range lies the Pima district, within which are a...narrow fissures. The Pima district was organized in 1877. The Papago district is about 38 miles by road...foothill belt in which the pros-, pects of the Papago district are situated. 407 408 CONTRIBUTIONS TO ECONOMIC |
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| - .... - .... -- .............. - ... - ... 80 Colorado formation ......................................__ 86 Basic intrusives in the Cretaceous on Gold Creek .. __ ._ .. ___ .. __ . __ . _____ ._. __ ......... _.. ....... --_ .. - --_87 Diorite of Foster Creek and Olson Gulch __ .. __ . _. . _. ____ .... _______.... - - - - - - - . - - _90 Diorite of Racetrack Creek ____ .. ____ . ___ .. __ .. _. ________ .. _. _...___ . ____ . _.. ___ _ 102 Intrusion on Boulder Creek __ .. _____ . .. ___ . ______ . __ ... ___ . __ |
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| COPPER IN SHASTA COUNTY, CALIFORNIA.0 By L. C. GRATON. INTRODUCTION. LOCATION. Shasta County lies just south...and western boundaries of the State. The Shasta County copper region is a somewhat ill-defined area lying...lying near the middle of the western half of the county, 80 to 100 miles east of the Pacific and at about...50' north latitude. Next to. the Lake Superior district of Michigan it is areally the largest copper region...statement of the salient features of the Shasta County copper region aad of some of the general conclusions |
 | Deasy, G. F., Griess, P. R., Balazik, R. F., Burtnett, J. W. (1967) Atlas of Pennsylvania’s Mineral Resources - Supplement, Limestones and dolomites of Pennsylvania, in Atlas of Pennsylvania's Mineral Resources. Mineral Resource Report M50-1S, Pennsylvania Geological Survey. | Report (Issue volume) |
| man-hours devoted to specific mine operations during the year 5. Mine or mine-plant equipment modernized...ownership of the mines of limestone and dolomite mining companies in Pennsylvania supplying data for use...derived primarily from reporting forms fiL:d by mining companies with the Pittsburgh office of the U....all aspects of the present limestone and dolomite mining industry of Pennsylvania. INTRODUCTION The preceding...hand, provides information relative to the present mining industry now utilizing Pennsylvania's limestone |
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| ........... Copper deposits of the White Mesa district, Ariz., by J. M. Hill............ Survey publications...the Dome district, Idaho, by J. B. Umpleby.... The Yellow Pine mining district, Clark County, Nev., by...MATERIALS, ETC.: The Aberdeen granite quarry, near Gunnison, Colo., by J. F. Hunter.... Ornamental marble...sulphate in the Carrizo Plain, San Luis Obispo County, Cal., by U.S. Gale............................................. 428 Borate deposits in Ventura County, Cal., by H. S. Gale.................. 434 Potash |
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| 1 D E J •LEGEND- MEXICO -^ Mining O Division Boundaries. Mining Division Offices. (6) PREFACE...a part of the Fourth Annual Report of the State Mining Bureau, by Henry G. Hanks, who was then State Mineralogist...''Minerals of California," of the California State Mining Bureau. In the thirty years which had elapsed since...published as Bulletin 91 of the California State Mining Bureau. Many additional species were included,...commercial borates. Lawsonite, first found in Marin county in 1895, has proved to be of great petrographic |
