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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...the Yukon and Kuskokwim were mapped. Geologic mapping was extended over practically the same area. The...the eastern part. Still farther east, beyond the area surveyed, several small isolated ranges and hills |
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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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| PLACERS OF THE RUBY DISTRICT. By HENRY M. EAKIN. LOCATION AND EXTENT OF THE DISTRICT. The chief settlement...settlement of the Ruby district is Ruby, situated on the south bank of Yukon River opposite the mouth of Melozitna...Melozitna River. The principal placer mines of the district are about 25 miles south of Ruby on a number of...streams that belong to the Nowitna River system. The area that includes the mines is small, but auriferous...in the surrounding territory extending from the Yukon southward 50 miles or more, with a width somewhat |
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| RUBY-KUSKOKWIM REGION ALASKA BY J. B. MERTIE, Jr. Mineral resources of Alaska, 1933 (Pages 115-245)...________-___ Ruby district._______-___-____--._-_--.-__---_--__._______ Ruby area.______-_____--_---...area____-______.__--_-___--__-_-___-_________ 145 Long Creek and Bear Gulch..____________________ Fifth of July...______________________ Greenstone Creek.._______._________._._-_._.___._ Monument Creek.______________________________...Meketchum Creek._______________________________ Trail Creek____.________________________ Flint Creek and tributaries |
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| HAKEINGTON. SUMMARY OF MINING OPERATIONS. t A resume of the history of tin mining in Alaska up to 1914 has been...his report. Stream tin was first found on Buhner Creek, a tributary of Anikovik River, in 1900, and there...since 1902. In 1911 a dredge was installed on Buck Creek which has been in operation each season since. Two...following season. A second dredge was installed on Buck Creek in 1915 and has worked each summer since that date...hull in 1916 and installed on a dredge on Swanson Creek, a tributary of Agiapuk Eiver. The hull was carried |
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| Division of Mining & Water Management FRONT COVER Top left: From late 199] to 1993 Cambior Alaska Inc. constructed...Phase one channeled the stream around the open-pit mine operations. During the stream diversion the company...flow, and fish populations. When the mine closed, Valdez Creek was diverted back to its original location...excavation work on Pit A-8 of Valdez Creek gold mine operated by Cambior Alaska Inc. as it appeared in early...early August 1994. From 1984 to 1995 Cambior Alaska and previous operators produced 459,162 ounces (14,279 |
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| Development Division of Mining & Water Management FRONT COVER Top: Ryan Lode Mine gold recovery plant and...investigates a silver prospect in the Chulitna mining district during a DGGS mapping project in July 1997...(left) and Jim Vohden (right) of the Alaska Division of Mining & Water Management, and Bronwen Wang of...zone on face in the Greens Creek Mine on Admiralty Island west of Juneau, Alaska. Photo by Jan Nauman. GEOLOGY...ip nw si 9" K.H. Clautice + ee J.L. Nauman Alaska Department of Natural Resources Division of Geological |
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| SMITH, DIRECTOR 578 THE ^ IDITAROD-RUBY REGION ALASKA BY HENRY M. EAKIN WASHINGTON GOVERNMENT PRINTING...................... Other conditions affecting mining............... .«........................ General... Iditarod district........................................................ Innoko district..................................................... Ruby district..................................................................................... Iditarod district.............................................. |
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| developed, the deposit will be mined by underground mining methods. The deposit is part of lands owned by...placer gold mine operations on the Eureka and Mary's bench depositsin the Koyukuk-Nolan district of northern...northern Alaska. The center nugget weighs 41.35 ounces (1,286 grams) and is unofficially the tenth largest...by Tom Bundtzen) Top right: The Valdez Creek placer gold mine, 50 miles (80 kilometers) east of Cantwell...Cantwell, has been Alaska's largest gold mine for ten of the last eleven years, and it is one of the largest |
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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...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-...variety of methods and areas in Alaska, including sluice and drift mining. 5. Some volumes were estimated |
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| Mineral-Resource Maps of the Medfra Quadrangle, Alaska The Alaskan Mineral Resources Assessment Program:...Mineral-Resource Maps of the Medfra Quadrangle, Alaska By W. W. Patton, Jr., E. J. Moll, and H. D. King...mineral-resource mops of the Medfra quadrangle, Alaska. (Geological Survey Circular 928) Bibliography:...no.: I 19.4/2:928 1. Mines and mineral resources-Alaska-Medfra region. I. Moll, Elizabeth Jean, 195411...••••••••• Nixon Fork terrane •••.•.••••••••••••••• Innoko terrane •••••••..•••••••••••••••• Minchumina terrane |
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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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| MINERAL RESOURCES OF ALASKA, 1916. By ALFRED H. BROOKS and others. PREFACE. By ALFRED H. BROOKS. This...of annual bulletins 1 treating of the mining industry of Alaska and summarizing the results achieved during...particular district are therefore urged to procure a copy of the complete report on that district as soon...the year and summaries of the condition of the mining industry, including statistics of mineral production...the mining industry for the years which they cover. Lack of funds prevents a visit to every mining district |
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| OTHER MAFIC-ULTRAMAFIC METALLOGENIC PROVINCES IN ALASKA (WEST OF THE 141st MERIDIAN) By Jeffrey Y. Foley1...Mines, Alaska Field Operations Center. Present address: 3301 C Street, Suite 525, Anchorage, Alaska, 99503-3935...western Alaska Western Brooks Range metallogenic province Seward Peninsula and western Yukon-Koyukuk Basin...province Northern Yukon-Koyukuk Basin margin metallogenic province Southeastern Yukon-Koyukuk Basin margin...margin and Ruby Geanticline metallogenic province Yukon-Tanana Uplands Livengood-Tofty metallogenic province |
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| 75 )'1.1)+%#. 5748'; #PEJQTCIG #NCUMC Alaska Resource Data File Wiseman quadrangle Descriptions...mines, prospects and mineral occurrences throughout Alaska. o o o o o o o o Distribution of mineral...occurrences in the Wiseman 1:250,000-scale quadrangle, Alaska This and related reports are accessible through...REPORT 03-447 Alaska Resource Data File WI001 Site name(s): Unnamed (near Walkaround Creek) Site type:...Grybeck, 1977; Bliss and others, 1988. Page 2 Alaska Resource Data File WI001 Primary reference: Brosge |
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| RADIOACTIVE DEPOSITS IN THE LOWER YUKON-KUSKOKWIM HIGHLANDS REGION ALASKA UNITED STATES DEPARTMENT OF THE...RADIOACTIVE DEPOSITS IN THE LOWER YUKON-KUSKOKWIM HIGHLANDS REGION, ALASKA, 1947 By M. G. White and P. L...Upper Cretaceous sedimentary rocks............ Creek placers .............. Panned concentrates........studies--Continued Discussion of data--Continued Creek placers Continued Sluice-box and dredge concentrates...Julian, Moore, and Candle Creeks, and the Cripple Creek Mountains Abstract ............................ |
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| THE UNITED STATES GEOLOGICAL SURVEY IN ALASKA Accomplishments During 1983 U.S. Geological Survey Circular...945 Front Cover Eruption of Mt. Veniaminof, Alaska Peninsula, January 23, 1984. In the background...the floor of the western lobe of the pit. The dark area is the active lava flow; a dusting of snow covers...eruption. , THE UNITED STATES GEOLOGICAL SURVEY IN ALASKA: ACCOMPLISHMENTS DURING 1983 Susan Bartsch-Winkler.................................. 1 4 NAlASKA Buried felsic plutons in upper Devonian redbeds |
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| TATONDUK-NATION DISTRICT, ALASKA By J. B. MERTIE, Jr. ABSTRACT The Tatonduk-Nation district occupies a triangular...triangular area of about 600 square miles that forms the southern end of the Yukon-Porcupine region,...eastcentral Alaska. The Yukon River, which runs N. 60° W. along the south side of this district, delimits...delimits the Yukon-Porcupine region on the north from the YukonTanana region to the south. The Yukon-Tanana...Yukon-Tanana region contains numerous towns and mining camps and in earlier years has been completely covered by |
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| mines, prospects and mineral occurrences throughout Alaska. 144' 147' Distribution of mineral occurrences...occurrences in the Big Delta 1:250,000-scale quadrangle, Alaska This and related reports are accessible through...This compilation is authored by: Cameron Rombach Alaska Division of Geological & Geophysical Surveys 794...OPEN-FILE REPORT 99-354 Alaska Resource Data File BD001 Site name(s): Banner Creek Site type: Mines ARDFno...accuracy: Banner Creek drains southward into the Tanana River. The approximate center of mining activity on |
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| mines, prospects and mineral occurrences throughout Alaska. 156 "00 64"0 r ctf C3 ,| / i x . T V I MD014...occurrences in the Medfra l:250,000-scale quadrangle, Alaska £\J «^J __._^ MD001 . MD002 MDOM * MD005 ,...Fairbanks, AK 99708 phone (907) 458-8951 ^J( Alaska ^ ^illi^HMlSIIKi^ v^^pflv This report is preliminary...the U.S. Government. OPEN-FILE REPORT 99-156 Alaska Resource Data File Various reports used in this...courtesy and permission of Doyon Ltd., in Fairbanks, Alaska. Requests for the inspection and use of these documents |
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| occurrences in the Wiseman 1° by 3° Quadrangle, Alaska by James D. Bliss*, William P. Brosge , John... U.S. Geological Survey, Menlo Park, CA. 2. Alaska Division of Mines and Geology, Fairbanks, AK. ...areas. GOLD PLACERS Gold placers are identified by AREA OR BASIN NUMBER, is used in both the compilation...are part of the Koyukuk District, which includes the drainage basins of the Koyukuk and Kanuti Rivers...Rivers (Cobb, 1973, p. 156, fig. 52). The Koyukuk District also includes substantial areas outside of the |
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| THE UNITED STATES GEOLOGICAL SURVEY IN ALASKA: ACCOMPLISHMENTS DURING 1980 Geological Survey Circular...a reduction of part of the new geologic map of Alaska published in 1980 by the U.S. Geological Survey...Survey (Beikman, H. M., 1980, Geologic map of Alaska: U.S. Geological Survey Special Map, scale 1:2,500,000...compilation. The United States Geological Survey in Alaska: Accomplishments during 1980 Warren l. Coonrad...results Introduction STATEWIDE ALASKA Tectonostratigraphic terrane map of Alaska, by David L. Jones, Norman |
 | Bliss, James D., Brosge, W.P., Dillon, J.T., Dutro, J.T., Cathrall, J.B., Cady, J.W. (1988) Mineral resource assessment of the Wiseman 1 degree by 3 degrees quadrangle, Alaska. Open-File Report Vol. 1988 (88-533) US Geological Survey doi:10.3133/ofr88533 | Report (issue) |
| Assessment of the Wiseman 1° by 3° Quadrangle, Alaska by James D. Bliss , William P. Brosge , John... 1. U.S. Geological Survey, Menlo Park, CA. 2. Alaska Division of Mines and Geology, Fairbanks, AK. 3...7), devoted to the mineral deposits of northern Alaska, became available just as the Wiseman mineral resource...percentile as follows: Deposit Type Name Name Composite area of all tracts (km2> Percentage 50 90 __ ____...Wiseman quadrangle (fig. 1) has been made under the Alaska Mineral Resource Assessment Program (AMRAP). The |
 | McClenaghan, M. B., Beckett-Brown, C. E., McCurdy, M. W., Casselman, S. (2023) Stream Sediment Indicator Mineral Signatures of the Casino Porphyry Cu-Au-Mo Deposit, Yukon, Canada. Economic Geology, 118 (2) Society of Economic Geologists, Inc. 411-431 doi:10.5382/econgeo.4970 | Journal (article/letter/editorial) |
| Signatures of the Casino Porphyry Cu-Au-Mo Deposit, Yukon, Canada M. B. McClenaghan,1,† C. E. Beckett-Brown...Geological Survey, 300 Main Street, Whitehorse, Yukon Y1A 2B5, Canada Abstract Case studies around porphyry...deposit in the unglaciated terrain of west-central Yukon, Canada. It is one of the largest porphyry Cu-Au-Mo...sampling protocols in unglaciated regions of the Yukon and elsewhere globally where porphyry Cu exploration...conducted. Introduction A significant part (25%) of Yukon Territory in northwestern Canada is unglaciated |
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| RESOURCE POTENTIAL IN THE BIG DELTA QUADRANGLE, ALASKA By W. David Menzie and Helen L. Foster Open-File...RESOURCE POTENTIAL IN THE BIG DELTA QUADRANGLE, ALASKA By W. David Menzie and Helen L. Foster Introduction...mineral potential of the Big Delta quadrangle, Alaska, by tract and by type of deposit, and a discussion...geochemistry, geophysics, and telegeology of the area. Geologic investigations included regional scale...airborne aeromagnetic survey of the quadrangle (Alaska Div. Geophys. Surveys, 1975) and an interpretation |
