 | | Report (issue) | | ne/Chranalloy Mining James R. Norris/University of Arizona Lee C. Alstead/Chranalloy Mining Steven Peters/...Steve Kay/G?ld Fields Mining Henry G. Kreis/ASAOCO Jerry Willis/Gold Fields Mining Peter G. Vikre/ASARCO...Rassu�hine/Nevada Resources & & Milli Milling ' Bob Helming/Duval Corporation Jim Bright/Nevada Resources...Resources Chris Puchn�r/Anaconda Copper Peter Hahn/Nevada Resources Olarles Haynes/Aluminum Ccrnpany of...Roylance/Rexcon, Inc. L. K. Lepley/ Mike FiannacajLacana Mining Ralph Higgins/Conoco, Inc. Dr. M.J. Walawender/Dept |  | | Report (volume) | | Geology of Deep Drill Holes at Iron Canyon, Lander County, Nevada By TED G. THEODORE and RALPH J. ROBERTS...of the Copper Canyon area of the Battle Mountain mining district________________________________ Structural...Structural map of the area near Copper Canyon, Lander County, N ev --------------------------------------...distribution of minerals adjacent to and in a fault breccia zone between 148 and 163 feet in D D H -1 ----------...in country rock adjacent to a mineralized fault zone in DDH-L______________________________________ Drill |  | | Report (issue) | | the Belshazzar and Mountain Chief Mines, Boise County, Idaho Victoria E. Mitchell Staff Report 08-3...the Belshazzar and Mountain Chief Mines, Boise County, Idaho Victoria E. Mitchell Staff Reports present...the Belshazzar and Mountain Chief Mines, Boise County, Idaho. . . . . . . . . . . 1 Introduction. . ...the Belshazzar and Mountain Chief Mines, Boise County, Idaho. . . . 18 Belshazzar Mine.. . . . . . ....the Belshazzar and Mountain Chief mines, Boise County, Idaho.. . . . . . . . . . . . . . . . . . . . |  | | Report (issue) | | October, 1994 Bootprints Along the Cordillera Porphyry Copper Deposits from Alaska to Chile THIS PAGE...of the Arizona Geological society, society for Mining, Metallurgy and Exploration Inc., and the U. s...We also want to thank collectively, all of the mining companies and staff who graciously allowed us to...trip will be on what the mid-to upperlevels of a porphyry copper system look like. Our first stop will be...observe breccia-masses, alteration features and porphyry intrusives. Discussions will be on the relevance |  | | Journal (article/letter/editorial) | | Aplite 293 Hornblende granodiorite porphyry. 294 Quartz granodiorite porphyry 296 Latite 298 Age relationships...relationships of granodiorite porphyry dikes 299 Structural features 299 General description 299 Faulting...stock 326 Ore genesis 331 Hornblende porphyry dikes 332 Quartz porphyry dikes 335 General statement 335 Hanover...in the Colorado formation 286 7. Hanover granodiorite porphyry 287 275 276 KERR et al—HYDROTHERMAL ALTERATION...along contact between aplite and biotite granodiorite porphyry, North Pit ................... 294 10. General |  | Mao, Jingwen, Zhang, Jiandong, Pirajno, Franco, Ishiyama, Daizo, Su, Huimin, Guo, Chunli, Chen, Yuchuan (2011) Porphyry Cu–Au–Mo–epithermal Ag–Pb–Zn–distal hydrothermal Au deposits in the Dexing area, Jiangxi province, East China—A linked ore system. Ore Geology Reviews, 43 (1) 203-216 doi:10.1016/j.oregeorev.2011.08.005 | Journal (article/letter/editorial) | | journal homepage: www.elsevier.com/locate/oregeorev Porphyry Cu–Au–Mo–epithermal Ag–Pb–Zn–distal hydrothermal...2011 Keywords: Porphyry Cu–Au–Mo deposits Epithermal Cu–Ag–Au–Zn–Pb deposit Shear zone-hosted gold deposit...the Dexing porphyry copper deposit, the Yinshan Ag-Pb-Zn deposit and the Jinshan shear zone – hosted gold...same metallogenic system. Dexing is a typical porphyry Cu–Au– Mo deposit in which both ore-forming fluid...derived from the granite porphyry. The Yinshan deposit consists of a porphyry copper ore located in the |  | | Journal (article/letter/editorial) | | 1619–1658 Hydrothermal Evolution of the Çöpler Porphyry-Epithermal Au Deposit, Erzincan Province, Central...deposit comprises a centrally located subeconomic porphyry Cu-Au system characterized by a potassically altered...phyllic (quartz-sericite) alteration zone. The potassic alteration zone is associated with early M-type hairline...epithermal Au mineralization that overprints the porphyry occurred in two stages. Main-stage epithermal...carbonate-replacement zones occur in the distal portions of the porphyry system and constitute a significant gold resource |  | | Report (issue) | | The Metai .Mines of Washington 193 SHERIDAN DISTRICT GENERAL FEATURES Ten miles by air line northwest...Cascade) District. Most of the holdings are in T. 38 N., R. 31 E., just across the Ferry County line into...into Okanogan County. The first location was made during 1897 and a year later the Zalia M property made...from th.e Phil Sheridan and Toroda mines, the district was dormant tmtil 1917. The total production has...assaying vigilance is a necessary aid to intelligent mining. In the Zalla J\I :Mine tl1ere is a quartz vein |  | | Report (volume) | | so successful. Allis-Chalmers Manufacturing Co. Mining Machinery Dept. OFFICES For Canadian MILWAUKEE...service from Superior Jaw Crusher Worthington mining equipment the from the standpoint of first cost...most wear, Worthington meets the needs of the mining industries with a complete line of products, from...Mills PUMPS, COMPRESSORS, OIL AND GAS ENGINES, MINING AND SMELTING MACHINERY CTON JOHN D. RYAN, ...OF THE BOARD OF DIRECTORS OF THE ANACONDA COPPER MINING Co., WHOSE BUTTE MlNES YIELD 10% OF THE |  | | Report (volume) | | Hydraulic TurbinpM MILWAUKEE, Metallurgical Machinery Mining Machinery Perforated Oil l-:imini-- Metals I'liiiiliini:...are getting the most in service from Worthington mining equipment — :the most from the standpoint of first...power consumption. Worthington meets needs of the mining industries with a complete line of products, from...Mills PUMPS, COMPRESSORS, OIL AND GAS ENGINES, MINING AND SMELTING MACHINERY CTON m "The Paramount...books cover practically all dead as well as live mining shares. Made in the following sizes: \QUAUTY |  | | Report (volume) | | ------Large hydrothermal alteration zones and porphyry copper deposits of Kazakhstan ---------------...deposits in the Carolina slate belt The Brewer porphyry gold deposit --------------------------------...------Pilot Mountain porphyry gold system High-alumina deposits in Moore County --------------------...alteration systems in the Carolina slate belt 2. Porphyry copper deposits and other major hydrothermal alteration...Hydrothermal alteration at the Brewer mine, Chesterfield County, South Carolina ------------------------------------------6 |  | | Journal (article/letter/editorial) | | major deposit types of economic importance such as porphyry, skarn, epithermal including both highand low-sulfidation...start production by the end of 2008. Revenues from mining activities contributed only 1.4 percent to the...(GNP) of Turkey in the last three years (Turkish Mining Bureau (MIGEM) data, 2005–2007) due to deterrence...Thus, most of the recent discoveries as well as mining developments are for gold and silver, though the...planned to be in production soon using solution mining technology. The Beypazari trona deposit, with 236 |  | | Book | | Urzúa 55 Geologic Setting and Evolution of the Porphyry Copper-Molybdenum and CopperGold Deposits at Los...Magmatic-Hydrothermal History of the Río Blanco-Los Bronces District, Central Chile: Development of World’s Greatest...the Geologic Setting and Porphyry Cu-Mo Deposits of the Chuquicamata District, Northern Chile Geologic...Escondida Porphyry Copper District, Northern Chile Geology of the Bingham Canyon Porphyry Cu-Mo-Au Deposit...Geology and Exploration Progress at the Resolution Porphyry Cu-Mo Deposit, Arizona Magmatic-Hydrothermal-Structural |  | | Journal (article/letter/editorial) | | pp. 79–92 SCIENTIFIC COMMUNICATIONS THE PULANG PORPHYRY COPPER DEPOSIT AND ASSOCIATED FELSIC INTRUSIONS...Tasmania, Hobart, Australia 7000 Abstract The Pulang porphyry copper deposit recently discovered in northwestern...Triassic Yidun island arc. To date, 15 mineralized porphyry deposits have been defined in the Pulang area...currently defined, is made up of five ore-bearing porphyry deposits, covering an area of approximately 9...quartz-diorite, monzodiorite, quartz-monzonite, and granodiorite are widespread in the Pulang area. The alteration |  | | Report (issue) | | ASHLEY SCHMITT "As !look back on four decades in mining geology I am impressed by the magnitude of the...geologists who developed the art and science of mining geology into a leading factor in the unprecedented...linking of Harrison Schmitt's name with recent porphyry copper developments in the Southwest-Christmas...geology in 1926. His thesis work in the Parral District of Chihauhua, Mexico, (1931) and other investigations...southern Arizona, Virginia and the Central Mining District of New Mexico from 1927 to 1931 and subsequently |  | Yang, Qun, Ren, Yun-Sheng, Chen, Sheng-Bo, Zhang, Guo-Liang, Zeng, Qing-Hong, Hao, Yu-Jie, Li, Jing-Mou, Yang, Zhong-Jie, Sun, Xin-Hao, Sun, Zhen-Ming (2019) Geological, Geochronological, and Geochemical Insights into the Formation of the Giant Pulang Porphyry Cu (–Mo–Au) Deposit in Northwestern Yunnan Province, SW China. Minerals, 9 (3) 191 doi:10.3390/min9030191 | Journal (article/letter/editorial) | | Insights into the Formation of the Giant Pulang Porphyry Cu (–Mo–Au) Deposit in Northwestern Yunnan Province... Abstract: The giant Pulang porphyry Cu (–Mo–Au) deposit in Northwestern Yunnan Province...monzonite porphyry (QMP) intruding quartz diorite porphyry (QDP) and cut by granodiorite porphyry (GP). New...relationship between Cu mineralization and QMP. Pulang porphyry intrusions are enriched in light rare-earth elements...features are used to infer that the Pulang HSA porphyry intrusions were derived from the partial melting |  | | Report (issue) | | America Large hydrothermal alteration zones and porphyry copper deposits of Kazakhstan Examples in south...deposits in the Carolina slate belt The Brewer porphyry gold deposit General geology of the Pilot Mountain...Quadrangle) Pilot Mountain porphyry gold system High—alumina deposits in Moore County Other deposits in North...in the Carolina slate belt 2a Figure 2.--Major porphyry copper deposits and other hydrothermal alteration...Chesterfield County, South Carolina Figure 6.--Hydrothermal alteration at Pilot Mountain, Randolph County North |  | Zürcher, L., Bookstrom, A.A., Hammarstrom, J.M., Mars, J.C., Ludington, S.D., Zientek, M.L., Dunlap, P., Wallis, J.C. (2019) Tectono-magmatic evolution of porphyry belts in the central Tethys region of Turkey, the Caucasus, Iran, western Pakistan, and southern Afghanistan. Ore Geology Reviews, 111. 102849 doi:10.1016/j.oregeorev.2019.02.034 | Journal (article/letter/editorial) | | Accepted Manuscript Tectono-magmatic evolution of porphyry belts in the central Tethys region of Turkey,...Dunlap, J.C. Wallis, Tectono-magmatic evolution of porphyry belts in the central Tethys region of Turkey,...journal pertain. Tectono-magmatic evolution of porphyry belts in the central Tethys region of Turkey,...Zürcher, 520 North Park Ave. #369, Tucson AZ 85719, USA Phone: 520670-5588, E-mail: lzurcher@usgs.gov Highlights:...Permissive areas (tracts) for the occurrence of porphyry deposits in the central Tethyan Eurasian Metallogenic |  | | Report (issue) | | Replacement Deposits Part II Gold in the Tintic Mining District, Utah By HALT. MORRIS Gold Deposits in the...Bird Mining Districts, San Juan Mountains, Colorado By FREDERICKS. FISHER Gold in the Alma Mining District...R. SHAWE Precious Metals in the Leadville Mining District, Colorado By TOMMY B. THOMPSON Part I is Chapter...bibliographies. Contents: pt. 1. Bald Mountain gold mining region, northern Black Hills, South Dakota / by...Tintic Mining District, Utah / by Hal T. Morris. Gold in the Sneffels-Telluride and Camp Bird mining districts |  | | Report (issue) | | Ore Deposits of the Dragoon Quadrangle Cochise County, Arizona By JOHN R. COOPER and LEON T. SILVER ...ore deposits of the Dragoon quadrangle, Cochise County, Arizona, by John R. Cooper and Leon T. Silver...ore deposits of the Dragoon quadrangle, Cochise County, Arizona. 1964. (Card 2) 1. Geology-Arizona-Cochise...author. II. Title: Dragoon quadrangle, Cochise County, Arizona. (Series) For sale by the Superintendent...metamorphism _____________ _ Intrusive rhyolite porphyry _________________ _ Distribution and geologic |  | | Conference Proceedings (Volume) | | very north of Sweden. Mining operations started in 1968 and the current mining depth is 430 m. The open...area of the Kristineberg VHMS deposit, Skellefte district, Sweden .......................................A. Massive Zn-Cu-Pb deposits in the Røros ore district, Norway: setting and formation ................Matos The Jörn granitoid complex, Skellefte mining district, Sweden: petrography, lithogeochemistry and...for VHMS deposits, Kristineberg area, Skellefte District, Sweden ..................................... |  | Eppinger, Robert G., Kelley, Karen D., Fey, David L., Giles, Stuart A., Minsley, Burke J., Smith, Steven M. (2010) USGS exploration geochemistry studies at the Pebble porphyry Cu-Au-Mo deposit, Alaska-pdf of presentation. Open-File Report 2010-1225. US Geological Survey doi:10.3133/ofr20101225 | Report (issue) | | Exploration Geochemistry Studies at the Pebble Porphyry Cu-Au-Mo Deposit, Alaska—PDF of Presentation By...exploration geochemistry studies at the Pebble porphyry Cu-Au-Mo deposit, Alaska—pdf of presentation:...studies in the region surrounding the giant Pebble porphyry Cu-Au-Mo deposit in southwestern Alaska. The Cretaceous...USGS studies are part of a nation-wide research project on evaluating and detecting concealed mineral resources...2007, the USGS began a collaborative research project with Northern Dynasty Minerals (now the Pebble |  | | Journal (article/letter/editorial) | | uniqueopportunityto unravel the complexseriesof eventsinvolvedin porphyry coppermineralization. •Exploralionhistory The...gradationbetweenthe gabbroand quartz diorite. Fine-grained granodiorite is developedwhere the uppermostlevels of the...five tonalite units, aplite dikes, a tonalite porphyry, and trondhjemite dikes. Copper mineralizationis...the porphyritictonalite and the Chikora Tonalite Porphyry intrusions-both of which are late-stagephasesof...hydrothermal alteration diorite porphyry dikes Ctp Chikora Tonalite Porphyry Inamumu outside zoned pluton |  | | Report (volume) | | geologic, geochemical, and geophysical data. The project was initiated in October 1989; data compilation...Forest region, which includes five world-class porphyry copper deposits, all of which are still producing...tungsten skarn, (2) tungsten vein, (3) porphyry copper, (4) porphyry copper skarn-related, (5) copper skarn...skarn, (6) polymetallic replacement, (7) porphyry coppermolybdenum, (8) polymetallic vein, (9) Creede epithermal...Acknowledgments. We would like to thank the Douglas District of the U.S. Forest Service for logistical support |  | | Report (issue) | | Tombstone district. 1 0: 1 5 a.m. to 1 .00 p.m. and Roger Newell. Stop 4. Tour the Tombstone district with...plutons that are aligned along a northwest-trending zone from Tombstone to the Tucson Mountains. The Helvetian...phase include stocks genetically associated with porphyry copper mineralization in the Sierrita Mountains...associated with metamorphic core complexes. The three mining districts that we will be visiting are Tombstone...Tombstone, Bisbee and Commonwealth. The Tombstone district, although historically famous, is now once again |
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