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| Placer Deposits of Alaska By EDWARD H. COBB GEOLOGICAL SURVEY BULLETIN 1374 An inventory of the...the placer mines and prospects of Alaska, their history and geologic setting UNITED STATES GOVERNMENT...and method of presentation __ Definitions _-____ Alaska Peninsula region Aleutian Islands region ________...Anchorage district _ Redoubt district ___-_ _ Valdez Creek district __ _ Willow Creek district Yentna district...district _____________ _ ____ __________ _____ Copper River region __ _ _ _ Chistochina district Nelchina |
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| BULLETIN 533 GEOLOGY OF THE NOME AND GRAND CENTRAL QUADRANGLES ALASKA BY FRED H. MOFFIT > $ CO WASHINGTON...______________________________ Location and area of the district! _ _______________ Typography ________ __...geology of Seward Peninsula _______ Stratigraphy of Nome and Grand Central quadrangles _______ Kigluaik group...___ __________ PegmatiteAge______ _____ _______. Nome group . __ Schist____________ ___________ Limestone__________..._________ Age _ _ Igneous rocks associated with the Nome group - ____ ______ Greenstone __..__ Granite-_____ |
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| forth is unnecessary. In trying to cover so large an area as the southern part of Seward Peninsula, the writer...open season of 1908. a Brooks, A. H., Placer mining in Alaska: Bull. U. S. Geol. Survey No. 259,1905, pp...Bull. No. 284,190G, pp. 132-141. Moflit, F. H., The Nome region: Bull. No. 314,1907, pp. 126-144. Smith,...Smith, P. S., Geology and mineral resources of Iron Creek: Idem, pp. 157-103. Brooks, A. H., The Kougarok...No. 358,1908. 267 268 MINEBAL EESOUEGES OF ALASKA, 1908. These estimates are based on statements |
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| PLACERS OF PARTS OF SEWARD PENINSULA, ALASKA INCLUDING THE NOME, COUNCIL, KOUGAROK, PORT CLARENCE, AND...H. BROOKS__________________ DEVELOPMENT OF THE MINING INDUSTRY, BY ALFRED H. BROOKS_____ Foreword __...13 J9 24 28 Growth of mining from 1902 to 1904___________________ 31 Mining developments in 1905-6_...Kuzitrin formation___________.______________.._ 69 Nome group______________________________ 70 General ...maps__________,______________:_ 334 The future of the mining industry______________________ 135 DESCRIPTION |
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| SEWARD PENINSULA AND THE NORTON BAY-NULATO REGION ALASKA BY PHILIP S. SMITH AND H. M. EAKIN WASHINGTON...Drainage basins included _______-__-_________ Yukon basin _________________'_____________ Norton Sound drainage...Undifferentiated metamorphic rocks__________________ Area east of the Yukon __ _ _ _______ __ Southeastern...River area ___ __ _ '. ___________ Area north of the Koyuk___ _ _____ ___ Bendeleben Mountain area _________..._________ ________ Area south of the Niukluk______ ______.______ Area west of the Darby range Summary ____ |
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| Smith, Director Bulletin 813 MINERAL RESOURCES OF ALASKA REPORT ON PROGRESS OF INVESTIGATIONS IN 1928 BY...Price 40 cents CONTENTS . Mineral industry of Alaska in 1928, by Philip S. Smith._______-___ Administrative...by S. R. Capps____________________ Mining in the Fortymile district, by J. B. Mertie, jr_______-_ _-______...Selected list of Geological Survey publications on Alaska.______________ Page 1 73 97 125 143 165 I ILLUSTRATIONS...1. Sketch map of the Chakachamna-Stony region, Alaska, showing areas in which timber occurs...'_--____-__--_- |
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| Brooks.................................... 5 The mining industry in 1908, by Alfred H. Brooks............peat fuel in Alaska, by C. A. Davis . . . . . . . . . . . . . . . . . . . . . . 63 Mining in southeastern...southeastern Alaska, by C. ,V. Wright............................. 67 Copper mining and prospecting on Prince...resources of southwestern Alaska, by W. W. Atwood.................. 108 Mining in the· Kotsina, Chitina...Chitina, Chistochina, and Valdez Creek regions, by F. H. l\1offit......................................... |
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| COSNA-NOWITNA REGION. By HENRY M. EAKDST. INTRODUCTION. The area here called the Cosna-Nowitna region extends southward...general way the 1 Hcrron, J. S., Explorations in Alaska, 1899: War Dept., Adjt. General's Office, No. 31...1-77, maps, 1901. 211 212 MINERAL RESOURCES OF ALASKA, 1915. Yukon-Kuskokwim divide. A pack train of...Geologic mapping was extended over practically the same area. The resulting maps will be published in connection...places continue through low passes from one drainage basin to another, dividing the uplands into several more |
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| DIRECTOR METHODS AND COSTS OF GRAVEL AND PLACER MINING IN ALASKA BY CHESTER WELLS PURINGTON WASHINGTON GOVERNMENT...alluvial gold deposits in Alaska ....................:... Methods of mining, and conditions ................--.- ---.--- ---------Cost of mining ....................................................... Prospecting........'... ........................... Open-cut mining.......................................................................................... Drift mining............................................... |
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| mines, prospects and mineral occurrences throughout Alaska. Distribution of mineral occurrences in the Solomon...Solomon l:250,000-scale quadrangle, western Alaska This and related reports are accessible through the...Travis Hudson Sequim, WA Location of map are* in Alaska This report is preliminary and has not been reviewed...the U.S. Government. OPEN-FILE REPORT 99-573 Alaska Resource Data File SO001 Site name(s): Cape Darby...minerals: Biotite, epidote, fluorite, hematite, ilmenite, magnetite, zircon Geologic description: West |
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| production and reserve grades source, fineness, mining methods, other economic commodities and general...is useful for analyzing the roles genetics and mining method have on placer grades and volumes. Deposits...potential for production of platinum minerals, ilmenite, or monazite. Much of the literature on gold placers...varies from area to area. Individual workings are not included if deposit or district data are presented...gold production for the central Brooks Range, Alaska exceeded the total as reported by deposit. -2- |
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| listing reports_________________ Explanation of area and subject index_.______ Acknowledgments .. __...Geophysical Union.. Transactions, American Institute of Mining and Metallurgical Engineers _..._ American Journal...Colorado Mining Association publications . Economic Geology. _ . _ ___... Engineering and Mining Journal...of Sedimentary Petrology_...__._ Mines Magazine Mining Engineering ........___..._...._____ Advances in...___________________ Author index ___._____________________ Area and subject index__________________ 95 95 103 |
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| description of the geology, mining history, and production of the major gold-mining districts in 21 States...relations ---------------------------History of gold mining and trends in production_ J\labama -----------...- Tallapoosa County --------------------------Alaska -----------------------------------------Cook Inlet-Susitna...J\la:ska region ------------------Southwestern Alaska region ------------------1'ukon region -------...fee County ------------------------------Clear Creek County -------------------------Custer County - |
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| Director Bulletin 754 THE RUBY-KUSKOKWIM REGION ALASKA BY J. B. MERTIE, JR. ' AND G. L. HARRINGTON...___________ Yukon River______ _________ Poorman Creek _____ Nowitna and Susulatna valleys ________ Heads...fish____ _ Other mining factors __________________________ Gold placers _ _ _ Ruby district _______________________________..._______________________________ History of mining ______________________ General character of placers________________..._ Ruby Creek_____________________________ Long Creek and tributaries _______________ Upper Sulatna River |
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| Springs District, Alaska By RUSSELL G. WAYLAND MINERAL GEOLOGICAL RESOURCES SURVEY OF ALASKA BULLETIN..._______________ ------____ 369 370 374 Cache Creek---------------------------------------------Dalton..._______________________ -------______ Sullivan Creek-------------------------------------------Tofty...Gulch______________________________________________ Deep Creek----------------------------------------------VVoodchopper...___ VVest of VVoodchopper Creek _______________________ --------Gold Basin and Killarney Creeks ______________ |
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| of nonfuel minerals and a chapter on trends in mining and quarrying in the metals and industrial mineral...mineral industries are included. Volume II, Area Reports: Domestic, contains chapters on the minerals industry...summary of domestic nonfuel minerals. Volume ill, Area Reports: International, contains the latest available...Survey of Alabama. Alaska: Division of Geological and Geophysical Surveys, Alaska Department of Natural..... ... ... ... . . . . .... . .... . .. . . 43 Alaska, by Tom L. Pittman . . . . . . . . . . . . . . |
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| United States from 1990 to 1994 was from placers in Alaska; the amount was negligible (Carlin, 1995). Sainsbury...(Climax, Colorado), and silver production (San Antonio mine, Mexico). More than one-sixth of the tin consumed...associated with cassiterite which include magnetite, ilmenite, zircon, monazite, allanite, xenotime, tourmaline...are traditionally called "amang." Production of ilmenite from Sn placers has be so large in Malaysia that...models (Singer, 1986). Mixing data from different mining methods can also result in large variances. Deposits |
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| .... 124 AN EPSOMITE OCCURRENCE IN THE TINTIC DISTRICT, UT AH. By Fred F. Mei.rsne,· ..................FLUORITE IN LIMESTONE QUARRIES OF ST. LOUIS, MO. AREA By J. A . Schra11t, Jr. ..........................FEDERATION CONTEST .......................... 138 DEEPEST MINE SHAFT IN NORTH AMERICA ................ ..........Calif. 3rd ANNUAL COMVENTION American Federation of Mine ral Societies June 28-30, 1950 Milwaukee Auditorium...HOW PEEKSKILL GOT ITS NAME ! For years, Rocks and Mine,·als has been recei\'ing letters incorrectly addressedPeeksville |
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| SELECTED NONMETALLI FERGUS MINERAL DEPOSITS IN CENTRAL ALASKA TO ACCOMPANY OPEN-FILE MAP 77-1680 This report...SELECTED NONMETALLI FERGUS MINERAL DEPOSITS IN CENTRAL ALASKA (To accompany Open-file Map 77-168D) By G. Donald...accompanying map have been prepared under the Regional Alaska Mineral Resource Appraisal Program (RAMRAP) to...nonmetal1iferous deposits, both lode and placer, in central Alaska. Specifically excluded are the fossil fuels (petroleum...government and private sectors, discussions with mine operators, and the firsthand knowledge of the authors |
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| George H. Steiger. PHYSIOGRAPHY Topography.-The area included within the limits of the map, (Fig. i)...local use in connection with the nearly dormant mining industry. Aspens and willows grow in the marshes...Boulder River is the most important stream of the area; rising south of Haystack Mountain it flows northward...from the west, among which are Elk Creek, Copper Creek, and Sheep Creek. From the east its affluents are...Fork and Basin Creek. The southeastern portion of the area mapped is drained by Slough Creek which, flowing |
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| Yukon-Taiya project, Alaska______ Resources of the Great Basin region_______ En~rgy resources_ _ _ _ _ _ _ _ __...vicinity--Igneous and metamorp hie rocks_ - - -- --- -Basin and Range region __ ------------------Pacific coast...___________________________ _ Alaska ___________________________________ _ Northern Alaska _______________________...West-central Alaska ______ --- _____ ------East-central Alaska ____ ----------------Southwestern Alaska ___________________...___________________ _ Southern Alaska _______________________ _ Southeastern Alaska ___________________ _ Puerto |
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| showing trenches and diamond-drill-hole locations in area along Maggie Canyon, Artillery Mountains , Arizona...and gas exploration and production. 1 Supervisory mining methods research engineer. 2 Computer programmer...programmer. Both authors are with the Denver Mining Research Center, Bureau of Mines, Denver, Colo. 3Underlined...of successes to failures for past performance in mining exploration that it is necessary to turn to the...mineral exploration. The analogy between the oil and mining indus tries is fairly good because they are both |
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| Resources of the North Absaroka Wilderness Study Area, Park and Sweet Grass Counties, Montana By U.S....investigations of the North Absaroka wilderness study area, Park and Sweet Grass Counties, Montana B. Geophysical...appraisal of the North Absaroka wilderness study area, Park and Sweet Grass Counties, Montana D. Geothermal...1505 An evaluation of the mineral potential of the area UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON...resources of the North Absaroka Wilderness study area, Park and Sweet Grass Counties, Montana. (Studies |
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| with its representation of mining tools clearly proclaim Montana’s mining origins. Montana’s production...published describing the occurrence, collecting, mining, and cutting of the two state gemstones. Figure...Granville Stuart established Montana’s first mining camp at Gold Creek in 1860. Geologic Provinces The state...Figure 1. Postcard view showing the Indian Queen mine ca. 1905 at Farlin, Beaverhead County. 208 ROCKS...Mountains, and furthest to the northwest, the belt basin. The Rocky Mountains contain sedimentary, igneous |
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| Proposed for Wilderness Classification by the Road.less Area Review and Evaluation Program (RARE II) of the U...PROPOSED FOR WILDERNESS CLASSIFICATION BY THE ROADLESS AREA REVIEW AND EVALUATION PROGRAM (RARE II) OF THE U...Proposed for Wilderness Classification by the Roadless Area Review and Evaluation Program (RARE II) of the U...PROPOSED FOR WILDERNESS CLASSIFICATION BY THE ROADLESS AREA REVIEW AND EVALUATION PROGRAM (RARE II) OF THE U...Survey (1978), the mineral belts that cover the area, and the location of significant recent exploration |
