| | Journal (article/letter/editorial) | SulfurIsotopesof the Ruby Creek CopperProspect,Bornite,Alaska DONALD D. RUNNELLS Abstract The Ruby Creek...the western Brooks Range, 300 miles northwest of Fairbanks, Alaska. The dominantstructureof the districtis...There is a closerelationship be- is now called Bornite for postal purposes)lies on the northern flank...Creekin his summaryof the geologyand ore depositsof Alaska. The reader is referred to Herreid (1961) for an...criticizedthe manuscript. The personnelof Bear Creek Mining Company were helpful and cooperativeduring the | | | Journal (article/letter/editorial) | 1592-1618 Geologyand Mineralization of the Ambler District, NorthwesternAlaska MURRAY W. HITZMAN, ChevronResourcesCompany...Hunt, Ware and Proffett,P.O. Box 111253, Anchorage,Alaska 99511 JEANINEM. SCHMIDT,* Departmentof Applied...Abstract The Ambler district is located along the southernmargin of the BrooksRange, Alaska. Mineral explorationsincethe...assivesulfidelackingwell-definedventareas.The Bornite carbonatesequence containssignificant coppermineralization...the Angayucham maficvolcanicrocks. Introduction District locationand history River, or foot. Explorationin | | | Book (volume) | .............................................1 Alaska ..............................................................................................4 Alaska County and Stream Map ..................................................14 Arizona â Apache Co. Mining Districts .............................................................23 Arizona â Cochise Co. Mining Districts ...........................................24 Arizona â Northern half of Coconino Co. Mining Districts ..............................25 Arizona | | | Book (volume) | .............................................1 Alaska..................................................Randolph Co., no communities shown on map but various mining districts overlap into Randolph Co.: c Dyne Cr... 11 E, first gold-bearing quartz discovery in districtâŻGold; f Valdor property, Sec. 3, T. 17 S, R. 11...Chulafinnee Placer, Sec. 14, 15, 16, T. 17 S, R. 9 E (mining mostly along Chulafinnee Dr. in gravels which were...occurrences are from veins in schist. (The Rockford mining district runs about 8 mi. E and 8 mi. W of Hissop, embracing | | | Book (volume) | .............................................1 Alaska..................................................Randolph Co., no communities shown on map but various mining districts overlap into Randolph Co.: c Dyne Cr... 11 E, first gold-bearing quartz discovery in districtâŻGold; f Valdor property, Sec. 3, T. 17 S, R. 11...Chulafinnee Placer, Sec. 14, 15, 16, T. 17 S, R. 9 E (mining mostly along Chulafinnee Dr. in gravels which were...occurrences are from veins in schist. (The Rockford mining district runs about 8 mi. E and 8 mi. W of Hissop, embracing | | | 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 | | Nokleberg, W.J., Bundtzen, T.K., Grybeck, D.J., Koch, R.D., Eremin, R.A., Rozenblum, I.S., Sidorov, A.A., Byalobzhesky, S.G., Sosunov, G.M., Shpikerman, V.I., Gorodinksy, M.E. (1993) Metallogenesis of mainland Alaska and the Russian Northeast. Open-File Report Vol. 1993 (93-339) US Geological Survey doi:10.3133/ofr93339 | Report (issue) | GEOLOGICAL SURVEY PREPARED IN COLLABORATION WITH ALASKA DIVISION OF GEOLOGICAL AND GEOPHYSICAL SURVEYS...NORTHEASTERN RUSSIA METALLOGENESIS OF MAINLAND ALASKA AND THE RUSSIAN NORTHEAST By Warren J. Noklebergl...and Richard D. Koch 1 1-U.S. Geological Survey ^-Alaska Division of Geological and Geophysical Surveys...OPEN-FILE REPORT 93-339 PREPARED IN COLLABORATION WITH ALASKA DIVISION OF GEOLOGICAL AND GEOPHYSICAL SURVEYS...LODE DEPOSITS AND PLACER DISTRICTS FOR MAINLAND ALASKA AND THE RUSSIAN NORTHEAST By Warren J. Nokleberg1 | | Hayes, T. S., Landis, G. P., Whelan, J. F., Rye, R. O., Moscati, R. J. (2012) The Spar Lake Strata-Bound Cu-Ag Deposit Formed Across a Mixing Zone Between Trapped Natural Gas and Metals-Bearing Brine. Economic Geology, 107 (6) 1223-1249 doi:10.2113/econgeo.107.6.1223 | Journal (article/letter/editorial) | along bedding to the southwest, northeast, and northwest. Metals-transporting brines may have been fed...The Snowstorm Mine in the eastern Coeur dâAlene district was a deposit of this type mined out before 1920...strongly zoned both laterally and vertically to bornite, then to chalcopyrite, then to pyrite (Kirkham...by chalcopyrite, which was in turn replaced by bornite (plus magnetite in some deposits), then by chalcocite...Troy Mine orebody (now nearly mined out) was a northwest-elongate tongue-shaped body in the middle quartzite | | | Report (issue) | 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...the U.S. Government. OPEN-FILE REPORT 03-447 Alaska Resource Data File WI001 Site name(s): Unnamed...Additional comments: The site is in Gates of the Arctic National Park. References: Brosge and Reiser, 1960; | | Lang, J. R., Gregory, M. J., Rebagliati, C. M., Payne, J. G., Oliver, J. L., Roberts, K. (2013) Geology and Magmatic-Hydrothermal Evolution of the Giant Pebble Porphyry Copper-Gold-Molybdenum Deposit, Southwest Alaska. Economic Geology, 108 (3) 437-462 doi:10.2113/econgeo.108.3.437 | Journal (article/letter/editorial) | Porphyry Copper-Gold-Molybdenum Deposit, Southwest Alaska JAMES R. LANG,1,â MELISSA J. GREGORY,2,* C. MARK...Pebble Limited Partnership, P.O. Box 267, Iliamna, Alaska, US 99606 3 7846 160th Street, Surrey British...deposit is located ~320 km southwest of Anchorage, Alaska. It is one of the largest porphyry deposits known...Minerals in 2005. The oldest rock in the Pebble district is the Jurassic-Cretaceous Kahiltna flysch unit...dominated by chalcopyrite and locally accompanied by bornite, formed with potassic alteration in the shallow | | Nokleberg, Warren J., Bundtzen, Thomas K., Dawson, Kenneth M., Eremin, Roman A., Goryachev, Nikolai A., Koch, Richard D., Ratkin, Vladimir V., Rozenblum, Ilya S., Shpikerman, Vladimir I., Frolov, Yuri F., Gorodinsky, Mary E., Melnikov, Vladimir D., Ognyanov, Nikolai V., Petrachenko, Eugene D., Pozdeev, Anany I., Ross, Katherina V., Wood, Douglas H., Grybeck, Donald, Khanchuk, Alexander I., Kovbas, Lidiya I., Nekrasov, Ivan Ya., Sidorov, Anatoly A. (1996) Significant metalliferous and selected non-metalliferous lode deposits and placer districts for the Russian Far East, Alaska, and the Canadian Cordillera. Open-File Report Vol. 1996 (96-513) US Geological Survey doi:10.3133/ofr96513a | Report (issue) | and placer districts for the Russian Far East, Alaska, and the Canadian Cordillera, by Warren J. Nokleberg...deposits and placer districts of the Russian Far East, Alaska, and the Canadian Cordillera. The report provides...Format) formats, and the mineral-deposit and placer district tables in dBase 3/4, FileMaker Pro 2.0, and tab-delineated...ACADEMY OF SCIENCES GEOLOGICAL COMMITTEE OF RUSSIA ALASKA DIVISION OF GEOLOGICAL AND GEOPHYSICAL SURVEYS...AND PLACER DISTRICTS FOR THE RUSSIAN FAR EAST, ALASKA, AND THE CANADIAN CORDILLERA By Warren J. Nokleberg1 | | | Report (issue) | Bulletin 849 C BY JAMES C. RAY Investigations in Alaska Railroad belt, 1931 (Pages 165-229) UNITED STATES...______.__..._..._.__ Special factors affecting mining. ____________________________________ Open season...-.-.-..----------------------------------.-----Mining properties. _._-------_-._-___.-------__-------------...205 IV CONTENTS Economic geology Continued Mining properties Continued Lucky Shot Continued Milling...ILLUSTRATIONS PLATE 11. Geologic map of Willow Creek district._______-_----__-__-_ 12. A, Chalcopyrite-molybdenite | | | 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 . . . . . . . . . . . . . . . . . . . . . . . | | | Journal (article/letter/editorial) | Western Washington University, Bellingham, WA 98225, USA; mustoeg@wwu.edu; Tel.: +1-360-650-3582 Received:...that contains quartz-filled fractures (Washington, USA) to silicified wood that contains abundant copper...Western Washington University, Bellingham, Washington, USA. Specimen photos provided by other researchers are...running Genesis software (EDAX, Mahwah, New Jersey, USA) and X-ray diffraction patterns performed with a...Kansas, USA Geiseltal, Germany British Columbia, Canada Ellesmere Island Arctic Canada Washington, USA Florida | | Nadoll, P., Mauk, J. L., Hayes, T. S., Koenig, A. E., Box, S. E. (2012) Geochemistry of Magnetite from Hydrothermal Ore Deposits and Host Rocks of the Mesoproterozoic Belt Supergroup, United States. Economic Geology, 107 (6) 1275-1292 doi:10.2113/econgeo.107.6.1275 | Journal (article/letter/editorial) | hydrothermal Ag-Pb-Zn veins of the Coeur dâAlene district, (4) extensively deformed and partially altered...Belt Supergroup host rocks from the Coeur dâAlene district, and (5) two Cretaceous postmetamorphic igneous...and host-rock magnetite from the Coeur dâAlene district. In contrast, magnetite from postmetamorphic igneous...and host-rock magnetite from the Coeur dâAlene district. Factor 3 divides igneous magnetite from other...siderite and calcite veins in the Coeur dâAlene district has consistently low scores for factor 3. The | | | Book | stumble over a valuable nugget and stake your own mining claim? Indeed it to is, and author book Jay...prospecting, he points out, is in abandoned mining districts, where valuable mineral ores are present...RANSOM 1875-1948 An to the Eastern 'âSchoolmarmâ Mining Camps of the Old West I I a s I \ h K... CONTENTS Preface ix PART I 1 Introduction to Mining and Mineralogy 2 Preparation for Mineral Collecting...purposes, or for cabinet display. Although the basic mining and underground geology were known some two to | | Tian, Jing, Zhang, Yu, Cheng, Jia-min, Sun, Si-quan, Zhao, Yi-jun (2019) Short wavelength infra-red (SWIR) characteristics of hydrothermal alteration minerals in skarn deposits: Example from the Jiguanzui CuâAu deposit, Eastern China. Ore Geology Reviews, 106. 134-149 doi:10.1016/j.oregeorev.2019.01.025 | Journal (article/letter/editorial) | is an important skarn deposit in the Edong ore district of the MiddleâLower Yangtze River Valley metallogenic...muscovite), kaolinite, and carbonate minerals (calcite, ankerite and dolomite), with minor chlorite, halloysite...Keywords: Jiguanzui CuâAu skarn deposit; Edong ore district; Sericite and chlorite; Short wavelength infrared...Fujian (China) (Xu et al., 2017), and Pebble in Alaska (US) (Harraden et al., 2013), and volcanogenic...is an important skarn deposit in the Edong ore district of the MiddleâLower Yangtze River Valley metallogenic | | | Report (issue) | FOR THE COLLECTOR THE ALASKA HIGHWAY; DAWSON CREEK, BRITISH COLUMBIA TO YUKON/ALASKA BORDER Ann P. Sabina... . . . . . . . . . . . . . . . . . . . 3 The Alaska Highway Kiskatinaw River occurrences............. . . . . . . . . . . . . . . . . . . . . . . . Arctic Caribou (Big Thing) Mine . . . . . . . . . . ..... . . . . . . . . . . . . . . vi Mile 0, The Alaska Highway. . . . . . . . . . . . . . . . . . . ....Dawson . . . . . . . . . . . . . . . . . . . . . . . Mining operations at Grand Forks .. . . . . . . . . . | | | Journal (article/letter/editorial) | Ruby Creek Copper Deposit, SouthwesternBrooksRange,Alaska MURRAY W. HITZMAN* Departmentof Geology,StanfordUniversity...Stanford,California 94305 Abstract At RubyCreek,Alaska,a 1-km-diameter bodyof hydrothermal dolostone cutsthroughover...northernflankof the THERubyCreek(Bornite)copperdepositis located in theAmblerdistrict,Alaska,approximately 350 km...BrooksRange.Althoughcopper northwest of Fairbanks and 60 km north of the Arctic mineralizationhasbeenrecognizedin...Hydrothermal dolostone ⢠Contact ⢠Jurassic-Devonian ⢠Bornite carbonate sequence ! ' i ' ., ' ':' â˘///⢠| | | Journal (article/letter/editorial) | Pebble Porphyry Copper-Gold-Molybdenum Deposit, Alaska: Implications for Gold Distribution and Paragenesis...CODES, Limited Partnership, P.O. Box 267, Iliamna, Alaska 99606 Dickinson Inc, 15th Floor - 1040 West Georgia...Abstract The Pebble Cu-Au-Mo deposit in southwest Alaska is one of the worldâs largest porphyry deposits...pyrite and chalcopyrite and solid solution gold in bornite. A second generation of pyrite-1 with elevated...located 320 km southwest of Anchorage in southwest Alaska (Fig. 1). Pebble is one of the worldâs largest | | 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) | THE COLLECTOR The Alaska Highway; Dawson Creek, British Columbia to Yukon/Alaska border Ann P. Sabina...brief geological history How to use this guide The Alaska Highway Kiskatinaw River occurrences Pine River...trip to Carcross Union Mines Yukon Antimony Mine Arctic Caribou (Big Thing) Mine Venus Mine Miles Canyon...XXVII. XXVIII. XXIX. xxx. XXXI. XXXII. Km 0, The Alaska Highway Concretions in sandstone, shale beds, km...Five Finger Rapids, Yukon River Treadwell-Yukon mining camp, Keno Hill The Royal North-West Mounted Police | | | Journal (article/letter/editorial) | REPORT CHICHAGOF ON MINING JOHN THE ORE DEPOSITS DISTRICT, OF THE ALASKA.* C. REED. This paper...during the summer of â˘938 in the Chichagof mining district, southeasternAlaska. This report is be followed...Chichagof mines, the two principal mines of the district, which have producedabout $â˘6, ooo,oooworth of...bedding. The relative movementsalong the faults was northwest and up at about 3øo for the southwestor hanging...shapesof the ore bodies. ANTHRACITE DEVELOPMENT DISTRICT, E. IN THE CRESTED BUTTE COLORADO. C. DAPPLES | | | Report (issue) | this order: chalcocite and other CU S minerals, bornite, chalcopyrite, pyrite, and 2 subordinate galena...factors involved in mining sediment-hosted copper deposits. Chalcocite and bornite in the high-grade zone...decreases. This relationship should be used to guide mining plans where acid mine drainage caused by oxidizing...hydrothermal overprint on sedimentaryâdiagenetic bornite-chalcocite mineralization. Arsenic, cadmium, mercury...1997, Kennecotttype deposits, Wrangell Mountains, Alaska: High-grade copper deposition near a limestone-basalt | | | Report (issue) | Riverside Ave .. ⢠ANCHORAGE, Alaska--Rm. 101, 4230 University Dr. ⢠ANCHORAGE, Alaska--Federal Bldg, Rm. E-146...25286 Denver, CO 80225 Residents of Alaska may order maps from Alaska Dlstrlbutlon Section, U.S. Geological...Distribution. Bldg. 810, Federal Center ⢠FAIRBANKS, Alaska--New Federal Bldg., 101 Twelfth Ave. Chapter...JEROME WAEGLI The Alaska-Juneau and Treadwell Lode Gold Systems, Southeastern Alaska By THOMAS D. LIGHT...Jerome Waegli. The Alaska-Juneau and Treadwell Lode gold systems , southeastern Alaska 1 by Thomas D. Ught |
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