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| INTRODUCTION. The area here called the Cosna-Nowitna region extends southward from Yukon and Tanana rivers...general way the 1 Hcrron, J. S., Explorations in Alaska, 1899: War Dept., Adjt. General's Office, No. 31... 1901. 211 212 MINERAL RESOURCES OF ALASKA, 1915. Yukon-Kuskokwim divide. A pack train of seven...proceeded down the river on a raft, arriving at Ruby September 3. Topographic work was carried on by...the Yukon and Kuskokwim were mapped. Geologic mapping was extended over practically the same area. The |
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| ON AN APPRAISAL OF THE URANIUM POSSIBILITIES OF ALASKA* By Helmuth Wedow9 Max G 0 White, and Robert M0...authors 7 opinions of the uranium possibilities of Alaska through March 1951 S the date of the completion...Peninsula-Kobuk region ............ York district .................. Lost River area .............. Brooks Mountain...... Uranium possibilities of the York district . Nome district .................. . Uranium- possibilities...possibilities ........... Council district ................ Uranium possibilities- ........... Pairhaven and |
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| GEOLOGICAL SURVEY PLACER TIN DEPOSITS IN CENTRAL ALASKA By Robert M. Chapman, Robert R. Coats, and Thomas...Placer tin and gold deposits in the Morelock Creek area, by Thomas G. Payne and Robert M. Chapman ........... Mining considerations .................... Placer tin deposits in the Moran Dome area, by Robert...Investigation of reported placer tin in the Mason Creek area, by Robert M. Chapman .........................deposits .............. Placer tin deposits in the Ruby-Long area, by Robert M. Chapman. . Introduction. ... |
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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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| RADIOACTIVE DEPOSITS IN THE RUBY-POORMAN AND NIXON FORK DISTRICTS, WEST-CENTRAL ALASKA, 1949 UNITED STATES...RADIOACTIVE DEPOSITS IN THE RUBY-POORMAN AND NIXON FORK DISTRICTS, WEST-CENTRAL ALASKA, 1949 By Max G. White...I, Calif. CONTENTS Page Chapter A. Ruby-Poorman district Abstract ............................. Introduction......... Ruby, area ....................... Long area ....................... Granite on Birch and Straight............ Granite on upper Flint Creek ............... Poorman area .................. . Summary and |
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| OTIS SMITH, Director Bulletin 754 THE RUBY-KUSKOKWIM REGION ALASKA BY J. B. MERTIE, JR. ' AND G. L....Local details____ ___________ Yukon River______ _________ Poorman Creek _____ Nowitna and Susulatna valleys...fish____ _ Other mining factors __________________________ Gold placers _ _ _ Ruby district _______________________________...History of mining ______________________ General character of placers________________ Ruby Creek_____...Creek_____________________________ Long Creek and tributaries _______________ Upper Sulatna River and tributaries_____________ |
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| RECONNAISSANCE FOR RADIOACTIVE DEPOSITS IN EASTERN INTERIOR ALASKA, 1946 This report concerns work done on behalf...RECONNAISSANCE FOR-RADIOACTIVE DEPOSITS IN EASTERN INTERIOR ALASKA, 1946 By Helmuth W edow, Jr., P. L. Killeen, and.... . . . . . . . . . . . . . . . . . Fairbanks district . . . . . . . . . . . . . . . . . . . . . Geology...Pedro Dome area.. . . . . . . . . . . . . . . . Radioactivity studies in the Ester Dome area... . . . ...Radioactivity studies. . . . . . . . . . . . . . . Livengood area ..... , .... .- ...... ,'. . . . . . Geology .. |
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| Mendenhall, Director ^\ * Bulletin 872 THE YUKON-TANANA REGION ALASKA BY J. B. MERTIE, JR. UNITED STATES...relief__-______-____--_--------------_--_-_------- 12* Yukon Valley. ----------------------------------------Tanana...Valley..-. -_..._--------------------_---------.-Yukon-Tanana plateau___.----_--_--_---_-_-_-__--.__-____...rocks___________________________________________ Birch Creek schist and associated meta-igneous rocks.-.-_...system_____---__--------------------------_--Fossil Creek volcanics.___.____.__-___-__._------___.__ Silurian |
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| OTIS SMITH, DIKECTOB 4:4:2 MINERAL RESOURCES OF ALASKA REPORT ON PROGRESS OF INVESTIGATIONS IN 1909 ...The mining industry in 1909, by Alfred H. Brooks........................... Page. 5 20 Alaska coal...Charles A. Davis................ 101 Mining in southeastern Alaska, by Adolph Knopf......................reconnaissance in southeastern Alaska, by John C. Hoyt. Mining in the Chitina district, by Fred H. Moffit............................... Mining and prospecting on Prince William Sound, in 1909, by U. S. Grant.... |
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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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| RECONNAISSANCE FOR RADIOACTIVE DEPOSITS IN EAST-CENTRAL ALASKA, 1949 This report concerns work done on behalf...RECONNAISSANCE FOR RADIOACTIVE DEPOSITS IN EAST-CENTRAL ALASKA, 1949 By Helmuth Wedow, Jr., M. G. White, and others..... Fairbanks district................... Melba Creek bismuth prospect... Tolovana mine.................... Cleary Hill mine............... Elliott Highway ..................... Geology ......................... Radioactivity.................. Goodluck Creek..................... Conclusions................ |
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| systematic investigation of the mineral resources of Alaska by the Geological Survey has yielded a large amount...geologic features of the metalliferous deposits of Alaska, using the results obtained by the many geologists...purely scientific results which have been achieved. Alaska is rich in metallic wealth. Its lode' and placer...The rapid advance of the mining 1 Brooks, A. H., The coal resources of Alaska: Twenty-second Ann. Kept... The Alaska coal fields: Bull. U. S. Geol. Survey No. 314,1907, pp.40-46 Brooks, A. H., Alaska coal and |
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| MERTEE, Jr. INTRODUCTION The area here called the Chandalar district lies between meridians 147Β° and...River and the North Fork of Chandalar River. This area includes nearly all of the Chandalar River valley...River. Mining operations at present are confined to Little and Big Squaw creeks and to Big Creek, all three...Chandalar River. The Koyukuk mining district lies to the west of the Chandalar district. (See fig. 8.) The...The earliest geologic work in the Chandalar district was done in 1899, when F. C. Schrader 1 and T. G |
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| NOTES ON MINING IN SEWARD PENINSULA. By PHILIP S. SMITH. INTRODUCTION. No party from the Geological...During that time he obtained some notes on the mining industry, and these, supplemented by reports in...the amount of winter mining; second, a general decrease in the number of mining operations except dredging;...development of the ancient beaches at Nome winter mining was important, for labor was cheap, the physical...sluicing in the summer) and consequently this form of mining has decreased. It is estimated that the winter |
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| has long attached to deposits of iron ore in an area that centers about 25 miles northwest of Nome. A...groups of claims are held in the iron-bearing district. Three of these the Mogul, Monarch, and Galena...height of land between Sinuk Eiver and Washington Creek, a south tributary of the Sinuk. The American group...four claims, is west of Sinuk River below American Creek, and the Cub Bear group, also of four claims, crosses...crosses the divide between Washington Creek and Cripple River. Heavily iron-stained blossom occurs at |
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| PROGRESS OF INVESTIGATIONS OF MINERAL RESOURCES OF ALASKA IS 1906. By ALFEED H. BROOKS AND OTHERS. ADMINISTRATIVE...work in Alaska for the year arid (2) present a concise statement of the advancement of the mining industry...Territory. It affords a means of giving to the mining public the important results of investigations...summaries of progress in various phases of the mining industry during the year, (2) preliminary accounts...attempt is here made to cover the entire field of Alaska mining interests; but to do this it has been necessary |
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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...commodity other than gold, i. e. diamonds or cassiterite. Other deposits contain potential for production...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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| Synopsis of the Mineral Resources and Geology of Alaska GEOLOGICAL 1 SURVEY BULLETIN 1307 Synopsis... Synopsis of the Mineral Resources and Geology of Alaska By EDWARD H. COBB GEOLOGICAL SURVEY BULLETIN 1307...with the Department of Natural Resources, State of Alaska UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON:...Introduction _________________________________ Alaska Peninsula region ___________________________ Aleutian..._________ Northern Alaska region ____________________________ Northwestern Alaska region _^_______________________ |
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| PROGRESS OF INVESTIGATIONS OF MINERAL RESOURCES OF ALASKA IN 1905 By ALFRED H. BROOKS AND OTHERS WASHINGTON.................................... Southeastern Alaska................................................................................... Southwestern Alaska............................................................. Yukon-Tanana region.............................................. THE MINING INDUSTRY IN................................. Auriferous lode mining............................................... |
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| RECONNAISSANCE FOR RADIOACTIVE DEPOSITS IN EASTERN ALASKA 1952 This report concerns work done on behalf...RECONNAISSANCE FOR RADIOACTIVE DEPOSITS IN EASTERN ALASKA 1952 By Arthur E. Nelson, Walter S. West, and John...MINERAL POINT AREA 2 INDIAN GROUP PROSPECT 3 SILVER CREEK PROSPECT 4 ROCK CREEK PROSPECT 5 NABESNA...NABESNA MINE 6 ORANGE HILL 7 CHISANA DISTRICT (we fig. 2) 6 HOPE CREEK AREA (IM fig. 3) 9 MILLER...MILLER HOUSE-CIRCLE HOT SPRINGS AREA (Β»e fig. 4) 10 CHANDALAR MINING DISTRICT (we fig. 5) 11 GOLD BENCH |
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| MINING IN NORTHWESTERN ALASKA. By S. H. CATHCART. INTRODUCTION. The season of 1918 was the most unfavorable...unfavorable for placer mining that the Seward Peninsula has experienced. Several factors combine to account...Solomon Eiver district frost as deep as 10 feet was reported, and in the Council City district frost was... fuel, and foodstuffs was felt severely in all mining operations. It is estimated that the cost of production...arrival of the first boat until June 25. Ditch and creek waters froze October 3, and the first 6 inches of |
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| Metalliferous Lode Deposits of Alaska By HENRY C. BERG and EDWARD H. COBB . G E O L O G I C A L S...A n inventory of the mines and )- grosfiects of Alaska and their ' f geologic settings UNITED STATES...acknowledgments--- - - - - - ----- - - - -- - -- 4 Alaska Peninsula region- - - - - - - - -- - - - - - -...- - - _ - - - _ - - - - - - - - - - 16 Redoubt district--- - - - - - - - - - - - - - - - - - - - - - -...- - - - - - - - - - - - - - - - - ---20 Valdez Creek district_--. . . . . . . . . . . . . . . . . . |
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| GEOLOGIC RECONNAISSANCE OF THE CIRCLE QUADRANGLE, ALASKA BY L. M. PRINDLE CONTENTS. Page. Preface................................ Geography of the Yukon-Tanana region.................................................................... Geology of the Yukon-Tanana region................................................................................ Birch Creek schist........................................................................... Gold in the Yukon-Tanana region.................................. |
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| THE OCCURRENCE OF METALLIFEROUS DEPOSITS IN THE YUKON AND KUSKOKWIM REGIONS. By J. B. MERTIE, Jr. INTRODUCTION...Geological Survej7 in Alaska for 25 years, with the primary object of fostering a mining industry in the Territory...objectives is attained by geologic studies in various mining districts to determine the origin, character, and...the mining operator of the present day; that of the second benefits the prospector and the mining operator...the future. Nearly all the developed mining districts in Alaska have been examined by members of the |
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| SUMMARY OF RECONNAISSANCE FOR URANIUM AND THORIUM IN ALASKA, 1962 By Helmuth Wedow, Jr. and other* UNITED...SUMMARY OF RECONNAISSANCE FOR URANIUM AND THORIUM IN ALASKA, 1952 By Helmuth Wedow, Jr. and others This report...SUMMARY OF RECONNAISSANCE FOR URANIUM AND THORIUM IN ALASKA, 1952 CONTENTS Page Page Abstract .............Description of investigations .................. Lower Yukon-Kuskokwim region, by W. S. West ........................ Marshall area ................... Southern Kaiyuh Mountains ........ Koyukuk-Chandalar region |
