 | | 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 |  | Manalo, Pearlyn C., Imai, Akira, Subang, Leo L., de los Santos, Mervin C., Yanagi, Kyoka, Takahashi, Ryohei, Blamey, Nigel J.F. (2018) Mineralization of the Northwest Quartz-Pyrite-Gold Veins: Implications for Multiple Mineralization Events at Lepanto, Mankayan Mineral District, Northern Luzon, Philippines. Economic Geology, 113 (7) 1609-1626 doi:10.5382/econgeo.2018.4606 | Journal (article/letter/editorial) | | no. 7, pp. 1609–1626 MINERALIZATION OF THE NORTHWEST QUARTZ-PYRITE-GOLD VEINS: IMPLICATIONS FOR MULTIPLE...MINERALIZATION EVENTS AT LEPANTO, MANKAYAN MINERAL DISTRICT, NORTHERN LUZON, PHILIPPINES Pearlyn C. Manalo...Fukuoka 819-0395, Japan 3 Lepanto Consolidated Mining Company, Makati City 1226, Philippines 4 Faculty...London, Ontario N6A 5B7, Canada Abstract The Northwest quartz-pyrite-gold veins are situated 500 m east... solid solution intergrown with chalcopyrite, bornite, and minor sphalerite. The stage 3a veins and host-rock |  | Song, Yang, Yang, Chao, Wei, Shaogang, Yang, Huanhuan, Fang, Xiang, Lu, Hongtao (2018) Tectonic Control, Reconstruction and Preservation of the Tiegelongnan Porphyry and Epithermal Overprinting Cu (Au) Deposit, Central Tibet, China. Minerals, 8 (9) 398 doi:10.3390/min8090398 | Journal (article/letter/editorial) | | Sciences, Oregon State University, Corvallis, OR 97331, USA Correspondence: songyang@mail.cgs.gov.cn; Tel.: +86-010-6899-9087...the Bangong–Nujiang metallogenic belt, Duolong district, central Tibet. It is mainly controlled by the...enargite, and tennantite replacing chalcopyrite and bornite. This may result from extension after the Qiangtang–Lhasa...porphyry and epithermal deposit in the Duolong district, and also in the entire Bangong–Nujiang metallogenic...later orogenesis [6]. The Duolong porphyry Cu-Au district is located in the Bangong–Nujiang metallogenic |  | | Journal (article/letter/editorial) | | Porphyry Copper Center in the Superior (Pioneer) District, Arizona SCOTT L. MANSKE† Independent Consultant...has been discovered in the Superior (Pioneer) district of east-central Arizona, lying under thick Tertiary... The sericitic zone is strongly pyritic, with bornite and lesser chalcopyrite. Within sericitically altered...altered rock, pyrite-chalcocite-digenite-bornite veins exhibit centimeters- to meters-wide halos of advanced...lies within the well-known Superior (Pioneer) district, a base and precious metals camp that has been |  | 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 |  | | Journal (article/letter/editorial) | | Cu-Zn-Pb-(Au-Ag) Mineralization in the Colquijirca District, Central Peru: Deposit-Scale Mineralogical Patterns...Colquijirca, located in the northern sector of the district, are part of a continuously mineralized northsouth...bismuthinite, gold, alunite, zunyite, kaolinite, dickite, smectite, illite, sericite, quartz); (2) enargite...bismuthinite, alunite, dickite, kaolinite, smectite, illite, sericite); (3) bornite ± (pyrite, quartz, alunite...alunite, dickite, kaolinite, barite); (4) tennantite, barite ± (dickite, kaolinite, chalcopyrite, Bi- |  | | Journal (article/letter/editorial) | | Cu-Zn-Pb-(Au-Ag) Mineralization in the Colquijirca District, Central Peru: Deposit-Scale Mineralogical Patterns...Colquijirca, located in the northern sector of the district, are part of a continuously mineralized northsouth...bismuthinite, gold, alunite, zunyite, kaolinite, dickite, smectite, illite, sericite, quartz); (2) enargite...bismuthinite, alunite, dickite, kaolinite, smectite, illite, sericite); (3) bornite ± (pyrite, quartz, alunite...alunite, dickite, kaolinite, barite); (4) tennantite, barite ± (dickite, kaolinite, chalcopyrite, Bi- |  | Masterman, G. J., Cooke, D. R., Berry, R. F., Walshe, J. L., Lee, A. W., Clark, A. H. (2005) Fluid Chemistry, Structural Setting, and Emplacement History of the Rosario Cu-Mo Porphyry and Cu-Ag-Au Epithermal Veins, Collahuasi District, Northern Chile. Economic Geology, 100 (5) 835-862 doi:10.2113/gsecongeo.100.5.835 | Journal (article/letter/editorial) | | Porphyry and Cu-Ag-Au Epithermal Veins, Collahuasi District, Northern Chile GLENTON J. MASTERMAN,†,* DAVID...JOHN L. WALSHE, CSIRO Division of Exploration and Mining, P.O. Box 1130, Bentley, Western Australia 6102...Cu-Mo-Ag deposit is located in the Collahuasi district of northern Chile. It comprises high-grade Cu-Ag-(Au)...the core of a porphyry Cu-Mo orebody. Rosario has mining reserves of 1,094 million metric tons (Mt) at 1...1,022 Mt at 0.93 percent copper occurs in the district at the nearby Ujina and Quebrada Blanca porphyry |  | | Journal (article/letter/editorial) | | Pb-Zn-Cu ± Au ± Ag deposits at Koru and Tesbihdere mining districts, Çanakkale, Biga Peninsula, NW Turkey...Pb-Zn-Cu ± Au ± Ag deposits at Koru and Tesbihdere mining districts, Çanakkale, Biga Peninsula, NW Turkey...Pb-Zn- PT Cu±Au±Ag Deposits at Koru and Tesbihdere Mining Districts, RI Çanakkale, Biga Peninsula, NW Turkey...TE ABSTRACT AC CE P The Koru and Tesbihdere mining districts in Biga Peninsula, Northwestern Turkey...Tesbihdere districts respectively. In the Koru mining district, galena is the dominant ore mineral in barite-quartz |  | 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 |  | Zhao, Xiao-Yu, Zhong, Hong, Mao, Wei, Bai, Zhong-Jie, Xue, Kai (2020) Molybdenite Re-Os dating and LA-ICP-MS trace element study of sulfide minerals from the Zijinshan high-sulfidation epithermal Cu-Au deposit, Fujian Province, China. Ore Geology Reviews, 118. 103363 doi:10.1016/j.oregeorev.2020.103363 | Journal (article/letter/editorial) | | Chinese Academy of Sciences, Beijing 100049, China Mining Group Co. Ltd, Shanghang 364200, China 10 11 12...31±0.70 Ma, which is explained as the time of dickite-alunite 20 alteration. Combining the newly reported...and zircon U-Pb ages 24 Pyrite, chalcopyrite, bornite, digenite, and covellite collected from the deep...30 chalcopyrite formed in both stages, whereas bornite is the product of epithermal 31 mineralization...independently locked in digenite lattice. 37 Bornite and digenite are good carriers of primary Ag, which |  | Chen, Jing, Cooke, David R., Piquer, José, Selley, David, Zhang, Lejun, White, Noel C. (2019) Hydrothermal Alteration, Mineralization, and Structural Geology of the Zijinshan High-Sulfidation Au-Cu Deposit, Fujian Province, Southeast China. Economic Geology, 114 (4) 639-666 doi:10.5382/econgeo.4657 | Journal (article/letter/editorial) | | Tasmania, Australia 2 Transforming 3 Instituto the Mining Value Chain (TMVC), ARC Industrial Transformation...China Abstract Zijinshan is a world-class Au-Cu district located in southwest Fujian Province, southeast...deposit is located in the middle of the Zijinshan district, and ore zones are hosted in, below, and adjacent...quartz-dickite, disseminated quartzalunite ± dickite, and disseminated quartz-muscovite-dickite zones...mineral district, southwest Fujian Province, Southeast China, is currently China’s largest gold mining district |  | Burrows, David R., Rennison, Michael, Burt, David, Davies, Rod (2020) The Onto Cu-Au Discovery, Eastern Sumbawa, Indonesia: A Large, Middle Pleistocene Lithocap-Hosted High-Sulfidation Covellite-Pyrite Porphyry Deposit. Economic Geology, 115 (7). 1385-1412 doi:10.5382/econgeo.4766 | Journal (article/letter/editorial) | | alteration, zoned downward from illite-smectite, quartz-dickite to quartz-alunite and quartz-pyrophyllite ± diaspore...the absence of a rock buffer. Early chalcopyrite-bornite ± pyrite mineralization with potassic ± chloritic... 1967; Hemley et al., 1980) comprising quartz-dickite-kaolinite, quartz-alunite, and quartz-pyrophyllite...hectares (Figs. 1, 2). It is held by PT Sumbawa Timur Mining, a company owned 80% by Eastern Star Resources...underlying the large lithocap with quartzalunite-dickite-kaolinite alteration with widespread silicification |  | | Journal (article/letter/editorial) | | (Broadhead 1873b). Bates County Panther Creek, northwest of Rockville in coal deposits: CALCITE as both...1989). Columbia, in quartz-chalcedony geodes: DICKITE. In Pennsylvanian-age fossil wood: quartz as colorless...County Williamsville quarry, a limestone quarry northwest of Poplar Bluff CALCITE as yellow scalenohedra...10 miles southeast of Bourbon, about 1.4 miles northwest of the Hinch mine: copper, cuprite, goethite (limonite)...091-24-54W), a filled-sink iron deposit 4.5 miles northwest of Cuba: earthy and specular HEMATITE, clear QUARTZ |  | Harrison, Rachel L., Maryono, Adi, Norris, Malcolm S., Rohrlach, Bruce D., Cooke, David R., Thompson, Jay M., Creaser, Robert A., Thiede, David S. (2018) Geochronology of the Tumpangpitu Porphyry Au-Cu-Mo and High-Sulfidation Epithermal Au-Ag-Cu Deposit: Evidence for Pre- and Postmineralization Diatremes in the Tujuh Bukit District, Southeast Java, Indonesia. Economic Geology, 113 (1) 163-192 doi:10.5382/econgeo.2018.4547 | Journal (article/letter/editorial) | | Postmineralization Diatremes in the Tujuh Bukit District, Southeast Java, Indonesia* Rachel L. Harrison...Box 1565, Milton, Queensland 4064, Australia the Mining Value Chain, An Australian Research Council Industrial...deposit is the largest deposit in the Tujuh Bukit district, southeast Java, Indonesia. The porphyry resource...magmatic-hydrothermal system (Tumpangpitu) in the same district. Magmatism, mineralization, and alteration at...Asian continental plate margin. The Tujuh Bukit district is floored by early to late Miocene sedimentary |  | | Report (issue) | | other important copper ore minerals may include bornite and enargite. Ore minerals occur as disseminations...an assemblage of magnetite, chalcopyrite, and bornite in the porphyry deposit at Elatsite, Bulgaria....which will vary with the price of copper and local mining costs. At Dos Pobres, Arizona, from the top of...less-IP-reactive clay minerals, chalcopyrite, and bornite. Spectral IP has been used to classify different...sulfides such as pyrite from chalcopyrite and bornite (Zonge and Wynn, 1975; Zonge and others, 2005) |  | 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 Cu–Au 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 Middle–Lower Yangtze River Valley metallogenic...dolomite), with minor chlorite, halloysite and dickite. Spectral features of Stage IV sericite group minerals...Keywords: Jiguanzui Cu–Au 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 Middle–Lower Yangtze River Valley metallogenic |  | 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 |  | Yang, Chao, Beaudoin, Georges, Tang, Ju-Xing, Song, Yang, Zhang, Zhi (2020) Hydrothermal fluid evolution at the Tiegelongnan porphyry-epithermal Cu(Au) deposit, Tibet, China: Constraints from H and O stable isotope and in-situ S isotope. Ore Geology Reviews, 125. 103694pp. doi:10.1016/j.oregeorev.2020.103694 | Journal (article/letter/editorial) | | (Au) deposit, is located in the Duolong porphyry district, 11 north of the Bangong-Nujiang suture zone...alteration is characterized by alunite-kaolinite-dickite overprinting 14 quartz-muscovite-pyrite and biotite...with biotite alteration. Porphyry chalcopyrite-bornite (Stage 2), 16 and covellite (Stage 3) mineralization...consisting of pyrite-alunite (Stage 4), chalcopyrite-bornite-digenite 18 (Stage 5), and tennantite-enargite...of stage 34 1, suggest that the chalcopyrite-bornite mineralization formed under higher oxidation conditions |  | | Journal (article/letter/editorial) | | Sciences, University of Michigan, Ann Arbor, Michigan, USA, and 4 Faculty of International Resource Science...argillic minerals, including alunite, kaolinite, dickite, pyrophyllite, and diaspore, host highsulfidation...porphyry system is located in the Mankayan mineral district of northern Luzon, Philippines (Hedenquist et...of hydrothermal mineralization. Following early mining, first by the Igorots during the Ming dynasty and...was mined underground by the Lepanto Consolidated Mining Company (LCMC); this took place initially from |  | Rinne, Marc L., Cooke, David R., Harris, Anthony C., Finn, David J., Allen, Charlotte M., Heizler, Matthew T., Creaser, Robert A. (2018) Geology and Geochronology of the Golpu Porphyry and Wafi Epithermal Deposit, Morobe Province, Papua New Guinea. Economic Geology, 113 (1) 271-294 doi:10.5382/econgeo.2018.4551 | Journal (article/letter/editorial) | | Tasmania 7001, Australia 2 Transforming the Mining Value Chain, an ARC Industrial Transformation Research...7001, Australia 3 Newcrest 4 Institute 5 New Mining Ltd., Level 8, 600 St. Kilda Road, Melbourne, Victoria...and Mineral Resources, New Mexico Institute of Mining and Technology, Socorro, New Mexico 87801-4796...Alberta T6G 2R3, Canada Abstract The Wafi-Golpu district of Papua New Guinea contains contrasting high-...(locally vuggy), alunite, pyrophyllite, kaolinite, dickite, and diaspore, with high-sulfidation mineralization |  | | Journal (article/letter/editorial) | | EXPRESS LETTER HYPOGENE ALUNITE FROM THE EL SALVADOR DISTRICT, CHILE, INDICATES POTENTIAL FOR A BLIND PORPHYRY...breccia bodies from the El Salvador porphyry copper district of Chile were recently dated. One alunite sample...43 Ma. Porphyry copper ores in the El Salvador district formed at about the same time as porphyry intrusions...associated with ~80% of the known copper ore of the district; they record waning stages of magmatism at 42...porphyry copper deposits in the remote El Salvador district of Chile began with Old Camp in 1951 and the much |  | Khashgerel, B.-E., Rye, R. O., Kavalieris, I., Hayashi, K.-i. (2009) The Sericitic to Advanced Argillic Transition: Stable Isotope and Mineralogical Characteristics from the Hugo Dummett Porphyry Cu-Au Deposit, Oyu Tolgoi District, Mongolia. Economic Geology, 104 (8) 1087-1110 doi:10.2113/gsecongeo.104.8.1087 | Journal (article/letter/editorial) | | Hugo Dummett Porphyry Cu-Au Deposit, Oyu Tolgoi District, Mongolia BAT-ERDENE KHASHGEREL,1,† ROBERT O....porphyry Cu-Au deposits within the Oyu Tolgoi mineral district, Mongolia, occur in a northnortheast–trending...pyrophyllite, kaolinite, anhydrite, gypsum, and dickite but is dominated by pyrophyllite. This alteration...of meteoric water. The composition of younger dickite (δ18O = –3.2 to +5.7‰, δD = –165 to –129‰, n =...on evidence from the wider Oyu Tolgoi mineral district. In the following descriptions the mineralogy |  | Manalo, Pearlyn C., Subang, Leo L., Imai, Akira, los Santos, Mervin C., Takahashi, Ryohei, Blamey, Nigel J. F. (2020) Geochemistry and Fluid Inclusions Analysis of Vein Quartz in the Multiple Hydrothermal Systems of Mankayan Mineral District, Philippines. Resource Geology, 70 (1) 1-27 doi:10.1111/rge.12214 | Journal (article/letter/editorial) | | Multiple Hydrothermal Systems of Mankayan Mineral District, Philippines Pearlyn C. MANALO,1 Leo L. SUBANG...Geology, Lepanto Mine Division, Lepanto Consolidated Mining Company, Makati City, Philippines and 4Department...epithermal gold orebodies in the Mankayan Mineral District were formed in an environment that has been already...throughout the mineralization history of the Mankayan District. The temperature, pH, sulfidation state, oxidation...multiple hydrothermal activities in one mineral district. This contribution lays the groundwork for the |  | | 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 |
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