 | | 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...metamorphosed to lower amphibolite facies Deposits in the Gunnison area . . . . . . . . . . . Economic potential |  | | Report (issue) | | organization is carrying on for the direct advancement of mining interests throughout the country than can readily... GOLD AND SILVER. NOTES ON THE GOLD LODES OF THE CARRVILLE DIS TRICT, TRINITY COUNTY, CALIFORNIA....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 |  | | Report (volume) | | 922-G MANGANESE DEPOSITS AT PHILIPSBURG GRANITE COUNTY, MONTANA A PRELIMINARY REPORT BY E. N. GODDARD...Minera-logy........................................ Silver and zinc-lead ores..................... Rhodochrosite............................................. Headlight mine.................................... Geology...possibilities and reserves............. Scratch Awl mine.................................. Geology.........deposits.................................. Trout mine.......................................Âť History |  | | Report (volume) | | 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...GEOLOGICAL SURVEY BULLETIN 1237 A study of the silver-zinc and manganese deposits of the Nation's only battery-grade...battery-grade manganese dioxide district UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON : 1967...Philipsburg district. 2-6. Maps of part of the Philipsburg district, showing geology and mine workings at |  | | Report (volume) | | ... GOLD AND SILVER: Notes on the gold lodes of the Carrville district, Trinity County, Cal., by D. F...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...Mountains, Grand County, Utah, by J. M. Hill. Survey publications on gold and silver................................ COPPER: The Turquoise copper-mining district, Ariz., by F. L. Ransome........... Survey |  | | Journal (article/letter/editorial) | | University Auburn, Alabama 36849-5305 COPPER RAY MINE, PINAL COUNTY, ARIZONA Downloaded by [University of Regina]...metals. Historical analyses have indicated traces of silver, arsenic, iron, bismuth, antimony, mercury, selenium...âporphyry coppers.â It is frequently associated with silver, chalcocite, cuprite, malachite, azurite, tenorite...most notably those in the western mining states and the copper district of Michiganâs Keweenaw Peninsula...were found in a number of locations in the Bisbee district, Arizona (Graeme 1981), including crystals up |  | | Journal (article/letter/editorial) | | 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...Lâ˘VRENCE T. Lâ˘RSON I R. 13 W. EXPLANATION Ă ' HEADLIGHT â˘' / I o. .--'....- .." â˘"⢠\ â˘._.- ....... ""' ...... FM. I' Ă RED LION FM. HASMARK SILVER ⢠' â˘h ' ....... ----.., ' :"'/ / ' ./ |  | | Report (volume) | | Quicksilver deposits of the Bottle Creek district, Humboldt County, Nevada, by R. J. Roberts (published...Quicksilver deposits of the Mount Diablo district, Contra Costa County, California, by C. P. Ross (published...deposits in the Little Florida Mountains, Luna County, New Mexico, by S. G. Lasky (published in August.................. (D) Chromite deposits of Grant County, Oregon, by T. P. Thayer (published In September...deposit at Buckskin Peak, National Mining district, Humboldt County, Nevada, by R. J. Roberts, (published |  | | 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 (issue) | | Stockholm Placer Triangle Mine Eclipse and Van Ness Placer Tucker Gulch Placers Quartz Creek Placer Mines Tami...Barite Mine Gildersleeve Mine Windfall Creek Placer Meadow Creek Placer Mine Floodwood Creek Prospect...Sunrise Creek Placer Coleman Placers Highbar Placer Deep Creek Mine Unnamed Lode Bonanza Group Mine Superior...Placer Stemwinder Placer Mine American Gold Mine Redemption #1 and #2 and Silver Streak Mines Red Hawk Placer...2 3 4 5 6 7 8 9 10 11 12 13 14 15 Golden Sunset Mine East Montreal Placer Sturgen Placer Blue Jay Placer |  | | Report (volume) | | 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 |  | | 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...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 protĂŠrozoĂŻques au Colorado qui ont atteint le faciès amphibolite ou granulite |  | | Report (volume) | | ............................................. 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 |  | | Report (issue) | | 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 . . . |  | | Book (edition) | | atid aeseae eueneSasehr i ia Bdtit _WYOQMING COLORADO _ LADORE 7C CRAIG r3GRANBY 17d KREMMLING...BASALT Ope Sc 16 ! Sf to H GUNNISON epeehanSF 'THe 98 GUNNISON NATL. MON. 9c 9b 15b TOLA ...COEORADORI 2 NEW MEXICO x pec, Inn? UKE) COLORADO TOURS LEGEND NUMBERED TOURS UNNUMBERED TOUR...Gallege COLORADO A Guide to the Highest State WITHDRAWN AWAACK TAY 2 \e Line COLORADO A Guide...Program Projects Administration of the State of Colorado AMERICAN GUIDE SERIES ILLUSTRATED HASTINGS |  | | Report (issue) | | POTENTIAL OF THE LAKE ELEANOR ROADLESS AREA, TRINITY COUNTY, CALIFORNIA by Donald F. Huber Scott C. Nelson...(5807), Shasta-Trinity National Forest, Trinity County, California. The Lake Eleanor Roadless Area was...geological, geochemical, and geophysical surveys and mine and prospect examinations in an area that includes...conducted mining and production surveys and additional sampling. Fissure veins yielding gold, silver, copper...lode or placer resources, and no known history of mining activity in the roadless area. The fact that surrounding |  | | Book | | A HISTORY OF FOSSIL FUELS IN COLORADO HIGH ALTITUDE ENERGY MINING THE AMERICAN WEST High Altitude...History of Fossil Fuels in Colorado, Lee Scamehorn Yellowcake Towns: Uranium Mining Communities in the American...HISTORY OF FOSSIL FUELS IN COLORADO LEE SCAMEHORN University Press of Colorado Š 2002 by the University...University Press of Colorado Published by the University Press of Colorado 5589 Arapahoe Avenue, Suite 206C...206C Boulder, Colorado 80303 All rights reserved Printed in the United States of America The University Press |  | | Report (issue) | | GEORGETOWN QlJADRANGLE (TOGETHER 'VITH THE EMPIRE DISTRICT) COLORADo¡ BY JOSIAH E. SPURR AND GEORGE H. GARREY........................................ _... _._ Silver Plume granite (porphyritic biotite granite) ....................._.......... . Distribution in Colorado ................................................-Discussion of principles ... 97 Gold-bearing and silver-bearing groups of veins ................... _..... _............ _' 97 Relative distribution of silver-bearing and of predominantly gold-bearing veins |  | | Book | | 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 |  | | Book | | formations are opened up and understood. Gold, silver, copper and lead all have been known for years...vania is to-day. Gold MiningâGold 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 MounÂŹ tains in Carbon County; Jelm, Medicine...Albany County; Black Plills in Crook County; Shoshone and Absaroka Mountains in Big Horn County, and the |  | | Report (Issue volume) | | continents and large regions. Conflicts between mining and other uses, such as recreation and urbanization...cobalt, copper, gold, lead, molybdenum, nickel, silver, tungsten, uranium and zinc for which any information...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 |  | | Report (issue) | | TWENTY- NINTH ANNUAL REPORT OF THE Mining Industry of IDAHO FOR THE YEARâ 1927 STEWART INSPECTOR...MINES ° TWENTY- NINTH ANNUAL REPORT OF THE Mining Industry of IDAHO FOR THE YEAR 1927 STEWART INSPECTOR...neh IBEUSHAZZARS WITH ask a Ae Se et ee Oe ee ae MINE SRESCUEAIN 2THEl@OBUR aDHA TOBINGao oeeeies te eee...IBANINOCK COUNTY i xcec2 oh cccen eke tee ceca ksee see oe coe ee Beeroeeree BEAR SIGAKE: COUNTY: cn 625...625 Se a, oe ee BENE WAH COUNTY: coristoc a cers ows thea ts eared eee econ ee STN GET A\Miig, CO WINIEXS |  | | Report (issue) | | Mississippi Valley during the past year. New Mexico-Colorado. In the Rocky Mountain region a number of parties...some of the little-known coal fields. In southern Colorado and northwestern New Mexico F. C. Schrader, assisted...the coal occurs. Colorado. In the northwestern part of Colorado the Yampa or Routt County coal field has...the small village of Lay, near the center of the county. The feature of this field that has attracted the...Company at Castle Gate, Winter Quarters, Clear Creek, and Sunnyside. The outcrop of the coal-bearing |  | | Report (issue) | | produced large quantities of the ores of copper, silver, and other metals, the fact that large bodies of...from Philipsburg. In 191Y the production in that district so greatly increased that Montana jumped far ahead...country, were overlooked for several months after the mining of the oxide ores had begun. In 1918 a further...the mining of its rhodochrosite bodies, became, next to Philipsburg, the most productive district in the...Although manganese minerals are known in several other mining districts in Montana (see fig. 27), only a very |  | | Journal (issue) | | pasturage when the season permits; the other, Gunnison, ps is completely uninhabited and through this...could not suit them better. Their colonies on Gunnison have thrived since the last guano sifters left...MISCALCULATION OF FLIGHT DURING THEIR EARLY TRAINING. THE GUNNISON PELICANS' CHIEF SOURCE OF FOOD â CARP â IS FOUND...their gullets back across the 2500-foot peaks to Gunnison. These carpâor their partly-digested remainsâ...stormprone waters these days. Since getting to Gunnison Island involves a considerable voyage or dragging |
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