 | | Report (volume) | | SMITH, DIEECTOB GEOLOGY OF THE BERBERS BAY REGION ALASKA BY ADOLPH KNOPF WASHINGTON GOVERNMENT PRINTING............................................. 30 Dolomite............:....................................38 Ivanhoe mine.......................................................... 38 Horrible mine..............39 Bear mine. ............................................................ 39 Kensington mine........... 40 Eureka mine. .............................................. ^.......... 42 Comet mine........... |  | | Report (issue) | | 1)+%#. 5748'; ,WPGCW #NCUMC Alaska Resource Data File Juneau quadrangle Descriptions of the mineral...throughout Alaska. o o o o o o o o Distribution of mineral occurrences in the Juneau 1:250,000-scale...000-scale quadrangle, Alaska This and related reports are accessible through the USGS World Wide Web site...authored by: John C. Barnett and Lance D. Miller Juneau, AK This report is preliminary and has not been...the U.S. Government. OPEN-FILE REPORT 03-456 Alaska Resource Data File JU001 Site name(s): Unnamed |  | | Report (issue) | | 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...placer gold mine, 50 miles (80 kilometers) east of Cantwell, has been Alaska's largest gold mine for ten...in the world. In 1994 the mine, which has been operated by Cambior Alaska Inc., produced 47,622 ounces |  | | Report (issue) | | deposit. Table 4, part B, gives an alphabetic list of mine and properties followed by the deposit name. CHARACTERISTICS...deposits include carbonates (ankerite, calcite, dolomite, and siderite), albite, biotite, and chlorite...deposits used in Table 1 may represent a major mine, district name, or local town name or other prominent... Pyrrhotite appears to be been reported in just a single mine in the East Belt of the Sierra Nevada foothills...(Malcolm, 1912), galena was widely considered by mine operators to be correlated with better gold grades |  | | Report (issue) | | 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 |  | | Report (issue) | | 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) |  | Miller, Lance J., Goldfarb, Richard J., Snee, Lawrence W., Gent, Carol A., Kirkham, Richard A. (1995) Structural geology, age, and mechanisms of gold vein formation at the Kensington and Jualin deposits, Berners Bay District, Southeast Alaska. Economic Geology, 90 (2) 343-368 doi:10.2113/gsecongeo.90.2.343 | Journal (article/letter/editorial) | | Formationat the KensingtonandJualinDeposits,BernersBay District, SoutheastAlaska LANCE D. MILLER,* Departmentof...RICHARD A. KIRKHAM EchoBayAlaska,3100 ChannelDrive,Juneau,Alaska99801 Abstract The BernersBaydistrictat...Presentaddress: EchoBayAlaska,3100 ChannelDrive,Juneau, Alaska99801. 0361-0128/95/1677/343-2654.00 343...which to studythe evolution of a mesothermal vein district. The BernersBayminingdistrict(Fig. 1) islocatedat...mesothermalquartz veinsin the Juneaugold belt. Mining activity in the BernersBay districtbeganin the |  | | Journal (article/letter/editorial) | | in quartz vein and "albitite" intrusion areas per mine level suggest that the ore fluid and dyke magma...significant magmatic volatile input (e.g., Baguio district, Philippines). In addition, as Sillitoe (1989)...levels of the Comstock Lode district, Nevada (1200' level, Con Virginia mine; O'Neil and Silberman, 1974)...(Colorado): Tonopah, Virginia City (Comstock Lode district ), Round Mountain (Nevada): Pachuca-Real del Monte...(PGE: Hedtey, British Columbia 26), Sn Hedley district (British Columbia ); Fortitude (Nevada); La Luz; |  | | Report (issue) | | Department of Energy, as mandated by Section 1011 of the Alaska National Interest Lands Conservation Act, Public...Center, Box 25286 Denver, CO 80225 Residents of Alaska may order maps from U.S. Geological Survey, Map...Ave., Box 12 Fairbanks, AK 99701 • ANCHORAGE, Alaska-4230 University Dr., Rm. 101 • LAKEWOOD, Colorado-Federal...the U.S. Geological Survey offices: • FAIRBANKS, Alaska-New Federal Building, 101 Twelfth Ave. • ROLLA...area's Colville mining district will be incorporated into the BLM's Arctic District Land Management Plan |  | Wells, D.E., Pittman, T.L., Brew, D.A., Douglass, S.L. (1986) Map and description of the mineral deposits in the Juneau, Taku River, Atlin, and part of the Skagway quadrangles, Alaska. Open-File Report Vol. 1986 (85-717) US Geological Survey doi:10.3133/ofr85717 | Report (issue) | | DEPOSITS IN THE JUNEAU, TAKU RIVER, ATLIN, AND PART OF THE SKAGWAY QUADRANGLES, ALASKA BY D. EDWARD WELLS...of Mines, Juneau, U.S. Geological Survey, Menlo Park, CA 94025; Present address 89861 Alaska Park, CA...DEPOSITS IN THE JUNEAU, TAKU RIVER, ATLIN, AND PART OF THE SKAGWAY QUADRANGLES, ALASKA By D. Edward Wells...prospects, mineral occurrences, and mining claims in the Atlin, Juneau, Taku River, and part of the Skagway...groups. The descriptions are in this order: Atlin, Juneau, Skagway, Taku River. The symbol at each site is |  | 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 |  | | Report (issue) | | 1991 Annual Report on Alaska 1s Mineral Resources U.S. GEOLOGICAL SURVEY CIRCULAR 1072 .. \ .... \...Department of Energy, as mandated by Section 1011 of the Alaska National Interest Lands Conservation Act, Public...Documents. ANCHORAGE, Alaska--4230 University Dr., Rm. 101 ANCHORAGE, Alaska--605 West 4th Ave., Rm...Center, Box 25286 Denver, CO 80225 Residents of Alaska may order maps from U.S. Geological Survey, Map...ROLLA, Missouri---1400 Independence Rd. FAIRBANKS, Alaska--New Federal Building, Twelfth Ave. 101 1991 |  | | Report (volume) | | Center, Box 25286 Denver, CO 80225 Residents of Alaska may order maps from U.S. Geological Survey, Map...Ave., Box 12 Fairbanks, AK 99701 • ANCHORAGE, Alaska-4230 University Dr., Rm. 101 • LAKEWOOD, Colorado-Federal...the U.S. Geological Survey offices: • FAIRBANKS, Alaska-New Federal Building, 101 Twelfth Ave. • ROLLA... Mississippi-Bldg. 3101. Geologic Studies in Alaska by the U.S. Geological Survey, 1992 CYNTHIA DUSEL-BACON.... . NORTHERN ALASKA Late Holocene Longitudinal and Parabolic Dunes in Northern Alaska: Preliminary Interpretations |  | | Report (issue) | | Department of Energy, as mandated by Section 1011 of the Alaska National Interest Lands Conservation Act, Public...Riverside Ave.. • ANCHORAGE, Alaska--Rm. 101, 4230 University Dr. • ANCHORAGE, Alaska--Federal Bldg, Rm. E-146...Center, Box 25286 Denver, CO 80225 Residents of Alaska may order maps from Abtska Distribution Section...• FAIRBANKS, Alaska--New Federal Bldg., 101 Twelfth Ave. 1990 Annual Report on Alaska•s Mineral Resources...Department of Energy, as mandated by Section 1011 of the Alaska National Interest Lands Conservation Ad, Public |  | | Report (issue) | | MINING DEVELOPMENTS IN SOUTHEASTERN ALASKA. By THEODORE CHAPIN. INTRODUCTION. A considerable advance...advance in both copper and gold lode mining was made in southeastern Alaska in 1915. The development consisted...bodies of gold-bearing ore, in the installation of mining machinery and power-developing plants for its expolitation...region extending from Ketchikan to Berners Bay. Juneau, which has long ranked as an important gold producer...of the Alaska-Gastineau mill and the breaking of ground for the new mill of the Alaska-Juneau Gold Mining |  | | Report (volume) | | GOLD BELT, ALASKA BY ARTHUR C. SPENCER AND A RECONNAISSANCE OF ADMIRALTY ISLAND, ALASKA BY WASHINGTON...PRINTING 1906 OFFICE CONTENTS. THE JUNEAU GOLD BELT, ALASKA, BY ARTHUR C: SPENCER. Page Introduction............................... Topography of the Juneau belt....................................................................................... 6 Juneau map.............................................................. 7 Climate of southeastern Alaska......................................... -^ 7 Timber |  | | Report (volume) | | 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 |  | Chinnasamy, Sakthi Saravanan, Uken, Ron, Reinhardt, Jürgen, Selby, David, Johnson, Spencer (2015) Pressure, temperature, and timing of mineralization of the sedimentary rock-hosted orogenic gold deposit at Klipwal, southeastern Kaapvaal Craton, South Africa. Mineralium Deposita, 50 (6) 739-766 doi:10.1007/s00126-014-0573-9 | Journal (article/letter/editorial) | | the Klipwal Shear Zone (KSZ) at the Klipwal Gold Mine is confined to laminated quartz–carbonate lodes...Johnson No. 326, Canterbury Ct., Alamo, CA 94507, USA Present Address: S. S. Chinnasamy Department of Earth...Peters et al. 1990); the Alaska– Juneau, Treadwell, Kensington mines in the Juneau gold belt in the North...include the Wonder Mine situated in the Bumbeni Shear Zone, the Klipwal Gold Mine (KGM) on the Klipwal...Klipwal Shear Zone (KSZ), and the Ngotshe Mine located a few hundred meters east of the KSZ (Bullen et al |  | | Report (volume) | | 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--- - - - - - - - - - - - - - - - - - - - - - -...antimony and molybdenum- - - - - - 29 Willow Creek district . . . . . . . . . . . . . . . . . . . . . . . |  | | Report (issue) | | TATONDUK-NATION DISTRICT, ALASKA By J. B. MERTIE, Jr. ABSTRACT The Tatonduk-Nation district occupies a triangular...eastcentral Alaska. The Yukon River, which runs N. 60° W. along the south side of this district, delimits...Yukon-Tanana region contains numerous towns and mining camps and in earlier years has been completely...geographically, the Yukon River in this part of Alaska forms a significant boundary, for south of the...different north of the river, for the pre-Cambrian dolomite, red beds, and lavas and the Cambrian and Ordovician |  | Groves, David I, Goldfarb, Richard J, Knox-Robinson, Carl M, Ojala, Juhani, Gardoll, Stephen, Yun, Grace Y, Holyland, Peter (2000) Late-kinematic timing of orogenic gold deposits and significance for computer-based exploration techniques with emphasis on the Yilgarn Block, Western Australia. Ore Geology Reviews, 17 (1) 1-38 doi:10.1016/s0169-1368(00)00002-0 | Journal (article/letter/editorial) | | DenÕer Federal Center, DenÕer, Colorado, 80225 USA c Terra Sancta, Unit 6, 4 Brodie Hall DriÕe, Bentley...deposits Že.g., Charters Towers, Australia; Ryan Lode, USA; Mokrsko, Czech Republic; Vasil’kovskoye, Kazakhstan...Ferrifero, Brazil; Homestake, Northern Black Hills, USA.. 2.2. Deposit mineralogy and alteration The orogenic...Crown, Hill 50 in Western Australia and Alaska-Juneau, SE Alaska, USA.. Gold:silver ratios range from 10 Žnormal...having been in the 5–30 grt range; modern-day bulk-mining methods have led to exploitation of lower grade |  | | Report (volume) | | 800 GEOLOGY AND MINERAL DEPOSITS OF SOUTHEASTERN ALASKA BY A. F. BUDDINGTON AND THEODORE CHAPIN !....Theodore Chapin.___ _________ Notes on history of mining development- _____-______----__--____ Geography...distribution________________________________ Ketchikan district.._______________________________________ Vicinity..._.._ Page 45 49 49 52 57 59 60 66 68 68 Juneau district..... ____________--___-____-_-. Schistose greenstone...greenstone and phyllite between Port Houghton and Juneau... . __>-______________________--_____-_-_ Age |  | | Report (issue) | | SURVEY METALLIC MINERAL DEPOSITS OF SOUTHEASTERN ALASKA BY Henry C. Berg, John E. Decker, and Beth S....selected nonmetallic mineral deposits in southeastern Alaska........................................................................................... 37 Juneau quadrangle.......................................128 METALLIC MINERAL DEPOSITS OF SOUTHEASTERN ALASKA By Henry C. Berg, John E. Decker, and Beth S....mineral deposits publically known in southeastern Alaska in 1980. This report is part of a regional metal |  | Brew, David A., Drew, L.J., Schmidt, J.M., Root, D.H., Huber, D.F. (1991) Undiscovered locatable mineral resources of the Tongass National Forest and adjacent lands, southeastern Alaska. Open-File Report Vol. 1991 (91-10) US Geological Survey doi:10.3133/ofr9110 | Report (issue) | | NATIONAL FOREST AND ADJACENT LANDS, SOUTHEASTERN ALASKA By David A. Brew U.S. Geological Survey, MS 904...of reference materials pertinent to southeastern Alaska as a whole and to the individual fifteen 1:250...ILLUSTRATIONS FIGURES Figure 1. Map of southeastern Alaska, showing location of Tongass National Forest lands...status, U.S. National Park Service lands, State of Alaska, Sealaska Native Corporation, and private lands...and other sources. Figure 2. Map of southeastern Alaska, showing 1:250,000-scale quadrangles and major |  | | Report (issue) | | MINERAL INVESTIGATIONS IN SOUTHEASTERN ALASKA By A. F. BTJDDINGTON FIELD WORK Since 1921 the writer...southeastern Alaska. The field work in 1921 and 1922 was devoted chiefly to the Wrangell district. A part...believed, is of immediate practical value to the mining industry. For this reason it is here presented...understanding of the occurrence of ores in the district examined is by no means complete. Therefore, the...with the gold and silver deposits of the Hyder district and the copper and nickel ores of Chichagof and |
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