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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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| 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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| 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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| GEORGE OTIS SMITH, DIRECTOR 578 THE ^ IDITAROD-RUBY REGION ALASKA BY HENRY M. EAKIN WASHINGTON GOVERNMENT...................... Other conditions affecting mining............... .«........................ General....... Iditarod district........................................................ Innoko district................................................. Ruby district......................................................................................... Iditarod district.......................................... |
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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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| Director Bulletin 754 THE RUBY-KUSKOKWIM REGION ALASKA BY J. B. MERTIE, JR. ' AND G. L. HARRINGTON...Local details____ ___________ Yukon River______ _________ Poorman Creek _____ Nowitna and Susulatna valleys...district__________________________ 32 Iditarod district__________________________ 33 Iditarod to Kuskokwim River__________________...__________ _ Age____________,._____T._________ . Quartz monzonite___________:-+ .__ __- : Areal distribution...Continued. Igneous rocks Continued. Pate, Oligoclase-quartz diorite, soda granite, oligoclase dacite, and soda |
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| GOLD PLACER MINING DEVELOPMENTS IN THE INNOKO-IDITAROD REGION. By A. G. MADDREN. INTRODUCTION. Although...of the pioneer American prospectors of interior Alaska are known to have entered and passed through parts...this part of Alaska until 1906. In the summer of that year gold was found on Ganes Creek, one of the principal...Ophir Creek, has been the center of this community since the spring of 1908. The Innoko district, in spite...flow into Yukon and Kuskokwim rivers. Up to the present time, however, the Innoko district has suffered |
 | Miller, Marti L., Bundtzen, T.K., Keith, W.J., Bailey, E.A., Bickerstaff, D.P. (1996) Geology and mineral resources of the Stuyahok area, part of Holy Cross A-4 and A-5 quadrangles, Alaska. Open-File Report Vol. 1996 (96-505) US Geological Survey doi:10.3133/ofr96505a | Report (issue) |
| resources of the Stuyahok area, part of Holy Cross A-4 and A-5 quadrangles, Alaska by Marti L. Miller1, Thomas...cooperation with Calista Corporation, Anchorage, Alaska under a Cooperative Research and Development Agreement...Anchorage, Alaska 2 Alaska Division of Geological and Geophysical Surveys, Fairbanks, Alaska 3 Now with...with Placer Dome U.S., Inc., Anchorage, Alaska 1996 CONTENTS Page Introduction.................................................................... 2 Mining history and previous work..................... |
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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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| 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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| Mendenhall, Director Bulletin 864 MINERAL RESOURCES OF ALASKA REPORT ON PROGRESS OF INVESTIGATIONS IN 1933 BY...separate publication] Page (A) Mineral industry of Alaska in 1933, by P. S. Smith_________ Selected list...publications on Alaska______ (B) The Willow Creek-Kashwitna district, by S. R. Capps and Ralph Tuck_______...gold placer-mining operations___________________ 3. Sketch showing location of placer-mining claims on...on Long Creek, in the Ruby district___________________ 4. Sketch map of Cripple, Ophir, Tolstoi, Nixon |
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| MINERAL RESOURCES OF ALASKA, 1913. By ALFRED H. BROOKS and others. PREFACE. By ALFRED H. BROOKS The...annual bulletins 1 treating of the progress of mining in Alaska a.nd summarizing the results achieved du.ring...particular district are therefore urged to procure a. copy of the com plete report on th.at district as soon...the year and summaries of the conditions of the mining industry, including statistics of mineral production...shall serve as convenient reference works on the mining industry for the yea.rs which they cover. Lack |
 | Goldfarb, R. J., Ayuso, R., Miller, M. L., Ebert, S. W., Marsh, E. E., Petsel, S. A., Miller, L. D., Bradley, D., Johnson, C., McClelland, W. (2004) The Late Cretaceous Donlin Creek Gold Deposit, Southwestern Alaska: Controls on Epizonal Ore Formation. Economic Geology, 99 (4) 643-671 doi:10.2113/gsecongeo.99.4.643 | Journal (article/letter/editorial) |
| 4 The Late Cretaceous Donlin Creek Gold Deposit, Southwestern Alaska: Controls on Epizonal Ore Formation...Geological Survey, 4200 University Drive, Anchorage, Alaska 99508-4667 SHANE W. EBERT, Mineral Deposit Research...NovaGold Resources Inc., 4420 Taku Blvd., Juneau, Alaska 99801 LANCE D. MILLER, Juneau Economic Development...Juneau, Alaska 99801 DWIGHT BRADLEY, U.S. Geological Survey, 4200 University Drive, Anchorage, Alaska 99508-4667...Idaho 83844 Abstract The Donlin Creek gold deposit, southwestern Alaska, has an indicated and inferred |
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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...by Tom Bundtzen) Top right: The Valdez Creek placer gold mine, 50 miles (80 kilometers) east of Cantwell |
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| Mcndenhall, Director Bulletin 926 MINERAL RESOURCES OF ALASKA REPORT ON PROGRESS OF INVESTIGATIONS IN 1939 PAPERS...industry of Alaska in 1939, by Philip S. Smith_____ .._._. (B) Geology of the Gerstle River district, Alaska...molybdenum minerals in Alaska, by Philip S. Smith.._ (D) Geology of the Portage Pass area, Alaska, by F. F. Barnes...107 161 211 ILLUSTRATIONS PLATE Page 1. Map of Alaska, showing areas covered by selected available reports...Topographic reconnaissance map of the Gerstle River district, Alaska _ _______________ _____l_______-_-__________ |
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| THE ALASKAN MINING INDUSTRY IN 1922. By ALFRED H. BROOKS and S. R. CAPPS. GENERAL SITUATION. The value...value of the total annual mineral production of Alaska increased from $17,004,124 in 1921 to $19,506,365...output from a few mines, the prosperity of the mining industry as a whole was very evident. The rather...to the present and future prosperity of the Alaska mining industry is not hard to understand. Dazzled...made during the prosperous days of bonanza placer mining, the public has failed to mark the steady advance |
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| MINERAL RESOURCES OF ALASKA, 1915. By ALFRED H. BROOKS and others. PREFACE. By ALFRED H. BROOKS. This...of annual bulletins * treating of the mining industry of Alaska and summarizing the results achieved during...particular district are thereforeurged 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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| 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...Slate Creek area__________________________ Middle Fork area___________________________ Rainy Creek area___...district_________________________________ Nelchimi district ______________________________ Cook Inlet-Snsitna |
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| MINERAL INDUSTRY OF ALASKA IN 1926 By PHILIP S. SMITH* INTRODUCTION Records of what has been done in...The investigations of the imineral resources of Alaska which the Geological Survey has been [carrying...755, 773, 783, and 792. 2 MINERAL RESOURCES OF ALASKA, 1926 generously put at the disposal of the Geological...obtained from other sources. Many of the important Alaska newspapers are courteously sent toj the Geological...year] sends to each person known to be operating a mine or prospect sched-J ules on .which are queries to |
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| of the Kobuk River basin there is a mineralized area in which placer gold has been mined and copper,...produced annually for several years, in 1910 the district was nearly deserted. Many problems of importance...and the Kobuk on the south. Although this small area is the place where minerals of economic importance...features of northwestern Alaska is in preparation and will serve to extend the area covered by this more...TOPOGRAPHY. Figure 19 shows the general location of the area, which for convenience will be called the Shungnak |
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| Director °\ Bulletin 880 MINERAL RESOURCES OF ALASKA REPORT ON PROGRESS OF INVESTIGATIONS IN 1935 ...separate publication] Page (A) Mineral industry of Alaska in 1935, by P. S. Smith (published in March 1937)...Capps (published in January 1938). Ill (D) The Eska Creek coal deposits, Matanuska Valley, by Ralph Tuck (published...publications on Alaska..___0n back of plate 1 ILLUSTRATIONS Page PLATB 1. Map of Alaska, showing areas...covered by selected available reports and maps of Alaska.._-______----___________ In pocket 2. Reconnaissance |
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| Mendenhall, Director Bulletin 857 MINERAL RESOURCES OF ALASKA REPORT ON PROGRESS OF INVESTIGATIONS IN 1932 BY...WASHINGTON : 1934 CONTENTS Page Mineral industry of Alaska in 1932, by P. S. Smith____________ Selected list...placer-gold production from Alaska, by P. S. Smith___ The Curry district, by Ralph Tuck_____________________...Tuck_____________________ Notes on the geology of the Alaska Peninsula and Aleutian Islands, by S. R. Capps__________...________ Core drilling for coal in the Moose Creek area, by G. A. Waring____ Index_____________ ___ _ |
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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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| 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 |
