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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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| including the largest Gold nugget ever found in Alaska AND the world’s largest single Gold crystal – all...• • • • The largest Gold nugget ever found in Alaska, known as The Centennial Nugget, weighing 20 pounds...of Crystallized Gold from the famed Eagle’s Nest Mine in California A superb Crystallized “Leaf” Gold...gemstone Amethyst to come from the famed Four Peaks Mine in Arizona A sharp and complicated Crystallized...famed Wolverine Mine in Michigan A “classic” Rhodochrosite with associated Pyrite and Quartz from the Sweet |
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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 |
 | Nokleberg, W.J., Bundtzen, T.K., Berg, H.C., Brew, D.A., Grybeck, Donald, Robinson, M.S., Smith, T.E., Yeend, W.E. (1988) Metallogeny and major mineral deposits of Alaska. Open-File Report Vol. 1988 (88-73) US Geological Survey doi:10.3133/ofr8873 | Report (issue) |
| SURVEY Metallogeny and Major Mineral Deposits of Alaska by 1 Thomas K. BundtzenS 7 Henry C. Berg 0"3 ,...endorsement by the U.S.G.S. ' U.S. Geological Survey ^ Alaska Division of Geological and Geophysical Surveys...unpublished data on metalliferous mineral deposits of Alaska, and on recent and older published articles and... universities, the U.S. Geological Survey, the Alaska Division of Geological and Geophysical Surveys... Andersen, Resource Associates of Alaska, Inc., Fairbanks, Alaska Roger P. Ashley, U.S. Geological Survey |
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| THE MINING INDUSTRY IN 1910, By ALFRED H. BROOKS. INTRODUCTION. The gold and copper lode-mining industry...industry of Alaska made considerable progress in 1910, not so much in output as in the amount of dead work...advancement of the mining industry in Alaska. So long as the Pacific seaboard of Alaska and the adjacent...at $8 to $20 a ton along the Pacific seaboard of Alaska, even mines located at tidewater are at great economic...apply to placer claims continues, to hamper the mining industry by discouraging the bona fide miner and |
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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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| 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...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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| OF THE NOBTHEKN KOYUKUK VALLEY, ALASKA BY ROBERT MARSHALL Mineral resources of Alaska, 1931 (Pages 247-256)...drainage in northern Koyukuk region__.____._ Page 252 RECONNAISSANCE OF THE NORTHERN KOYUKUK VALLEY By ROBERT...conducting investigations of the mineral resources of Alaska, about one half of the Territory has been surveyed...the headwater region of the Koyukuk River, the large tributary of the Yukon from the north that rises in...into the Arctic Ocean. Surveys of parts of the Koyukuk region have been made by the Geological Survey |
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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...quality, stream flow, and fish populations. When the mine closed, Valdez Creek was diverted back to its original...work on Pit A-8 of Valdez Creek gold mine operated by Cambior Alaska Inc. as it appeared in early August...August 1994. From 1984 to 1995 Cambior Alaska and previous operators produced 459,162 ounces (14,279 kilograms) |
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| developed, the deposit will be mined by underground mining methods. The deposit is part of lands owned by...later than the enclosing rocks) textures in the quartz-sulfide stockwork of the Johnson River deposit...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...placer gold mine, 50 miles (80 kilometers) east of Cantwell, has been Alaska's largest gold mine for ten |
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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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| Director Bulletin 933 4 * MINERAL RESOURCES OF ALASKA REPORT ON PROGRESS OF INVESTIGATIONS IN PAPERS...industry of Alaska in 1940, by Philip S. Smith (B) Geology of the Nutzotin Mountains, Alaska .: _ __ (C)...deposition at the Independence mine, Alaska : _ (D) Reconnaissance of Porcupine Valley, Alaska ) . 1 103...PLATE 1. Map of Alaska, showing areas covered by selected available reports and maps of Alaska _ __ _ 1 In...View of the mine area from the Nabesna camp_____________ 176 8. Geologic map of the Nabesna mine area_____________ |
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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...output in 1918, 185 186 MINERAL RESOURCES OF ALASKA, 1918. $1,108,000 represents the value of the |
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| Metalliferous Lode Deposits and Placer Districts of Alaska By WARREN j. NOKLEBERG, THOMAS K. BUNDTZEN, HENRY...metalliferous lode deposits and placer districts of Alaska. U.S. Geological Survey Bulletin 1786 Bibliography...No.: 119.3:1786 1. Placer deposits-Alaska. 2. Ore deposits-Alaska. I. Nokleberg, Warren j. II. Series...COVER Mill buildings at Kennecott, Alaska. The Kennecott district Cu-Ag mines in the Wrangell Mountains...deposit description for Kennecott district (number 30 for southern Alaska). Copyrighted drawing used by permission |
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| SMITH, DIEECTOB GEOLOGY OF THE BERBERS BAY REGION ALASKA BY ADOLPH KNOPF WASHINGTON GOVERNMENT PRINTING.......... ; .................................... Quartz diorite gneiss...................................Mineralogy of the ore deposits Continued. Page. Quartz.*................................................38 Ivanhoe mine.......................................................... 38 Horrible mine..............39 Bear mine. ............................................................ 39 Kensington mine........ |
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| Director. Bulletin 868 MINERAL RESOURCES OF ALASKA REPORT ON PROGRESS OF INVESTIGATIONS IN 1934 BY...separate publication] Page (A) Mineral industry of Alaska in 1934, by P. S. Smith (published Jan. 25, 1936)_______...3. 4. Topographic map of Kodiak and vicinity, Alaska. ___________ Geologic map of Kodiak and vicini...upper Ugak Bay_ _______________________ 7. Kodiak, Alaska, in August 1912, several months after the explosion...sketch map of the Kaiyuh Hills and part of the Ruby district- ______________________________________________ |
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| MINING ON SEWARD PENINSULA. By GEORGE L. HARKINGTON. PLACER MINING. SUMMARY OP MINING CONDITIONS. During...Seward Peninsula were generally favorable for placer mining until the later part of September and the first...dredges and a few of the larger plants continuing mining after that date and most of the latter working...recovered through some of the various methods of placer mining. No information was ob tamed regarding the saving...as in previous years as a by-product of placer mining for gold. Difficulty had been experienced in marketing |
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| MINERAL RESOURCES OF ALASKA, 1914. By ALFRED H. BROOKS and others. PREFACE. By ALFRED H. BROOKS. This...resources during 1914 and of the status of the mining industry in the Territory. It is the eleventh of...particular district are therefore urged to procure a copy of the complete report on that district as soon...statistical data is impaired by the fact that some of the mine operators, notably the placer miners, fail to report...production of many of the districts or to summarize the mining development. There are now nearly 450 operators |
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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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| THE ALASKAN MINING INDUSTRY IN 1921. By ALFRED H. BROOKS. GENERAL FEATURES. The value of the total...total mineral production of Alaska in 1920 was $23,303,757; the value in 1921 was $17,004,124. Yet in spite...spite of this tremendous falling off, the mining industry as a whole can be said to have been more prosperous...low price of copper, and no advance of the Alaska copper-mining industry can be expected until there is...the metal. Coal mining shows some growth, though it remains to be proved that Alaska high-grade coal |
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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--- - - - - - - - - - - - - - - - - - - - - - -...- - - - - - - - - - - - - - - - 23 Valdez Creek area . . . . . . . . . . . . . . . . . . . . . . . . |
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| H. MANNING. Director I HE MINING INDUSTRY IN THE TERRITORY OF ALASKA DURING THE CALENDAR YEAR 1915... BY SUMNER S. SMITH United States Mine Inspector for Alaska ENGINEERING \Y* WASHINGTON GOVERNMENT...MINES H. MANNING. Director THE MINING INDUSTRY IN THE TERRITORY OF ALASKA DURING THE CALENDAR YEAR 1915... BY SUMNER S. SMITH United Stales Mine Inspector for Alaska WASHINGTON GOVERNMENT PRINTING 1917 ...prohibits the CONTENTS. Page. Introduction New gold-mining districts Mineral production Placer gold Lode gold |
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| FINENESS OF GOLD FROM ALASKA PLACERS BY PHILIP S. SMITH Mineral resources of Alaska, 1937 (Pages 147-272)...__-_____Metals other than gold in bullion from Alaska placers________ Descriptions of regions in relation...placer gold Southeastern Alaska region__________________________ Juneau district ____________________ Porcupine...district_________________________________ Nelchimi district ______________________________ Cook Inlet-Snsitna...Inlet-Snsitna region _____.._____________________ Kenai district _ _________ _______ ________ Sunrise and Hope |
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| Director Bulletin 754 THE RUBY-KUSKOKWIM REGION ALASKA BY J. B. MERTIE, JR. ' AND G. L. HARRINGTON...Igneous rocks ____ Local details____ ___________ Yukon River______ _________ Poorman Creek _____ Nowitna...rocks Continued. Local details Continued. Page. Innoko district__________________________ 30 Takotna and...__________ _ Age____________,._____T._________ . Quartz monzonite___________:-+ .__ __- : Areal distribution...Continued. Igneous rocks Continued. Pate, Oligoclase-quartz diorite, soda granite, oligoclase dacite, and soda |
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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...streams of the Nome district." Hess mentions 3 that Goldbottom Creek in the Nome district, Fred Gulch, north...Mountain in 1902 and on Lost Eiver the following year. Mining operations have been carried on at both localities...p. 157, 1906. 353 354 MINERAL RESOURCES OF ALASKA, 1917. River assessment work has been done annually...corporations which did .some mining, milling! the ore in a small test mill at the mine on Cassiterite Creek. |
