 | | Journal (article/letter/editorial) | | Two types of ores are recognized in the Huanzala mine, Peru. Zinc and lead ore of adularia-sericite type...copper ores from the Teine mine, Hokkaido, Japan and the Chinkuashih mine, Taiwan are acid-sulfate type,...these deposits. Both types in the Teine and Chinkuashih deposits are supposed to have formed in the similar... The enargite and luzonite ores in the Hokuetsu mine, Japan are closely associated with native sulfur...Huanzala deposits are summarized as follows. The mine is situated in central Peru, about 250 km north |  | | Report (issue) | | cs s8 Fairleigh Dickinson University Teaneck, New Jersey Library TOO1-15M 3=115-71 Precambrian geology...1890. He obtained his B.S. from the University of New Mexico in 1915, attended the University of Iowa,...Gruner was fond of telling of its advantages over his new x-ray diffractometer, particularly regarding iron...reconnaissance of the southern part of the Taos range, New Mexico: Jour. Geology, v. 28, no. 8, p. 731-742....Archean: Jour. Geology, v. 33, no. 2, p. 151-152. Magnetite-martite-hematite: Econ. Geology, v. 21, no. 4 |  | | Journal (article/letter/editorial) | | data; Cun and Ju 1999). More importantly, as major new gold resources have been delineated in many parts... but with little success (T.Z. visited Zimudang Mine 1996; J. Mao and W. Shen 1996–1998, personal communication)...Tables 2–4 and Figs. 4–6. 252 introduced detailed new regulations in February 1998 in order to bring it...suggest China may be very favorable for discovery of new, world-class gold deposits. Tectonics of China The...Northern Xinjiang gold province (<5% resource, mostly new discoveries) within the Altayshan and Tianshan orogenic |  | Hedenquist, Jeffrey W., Matsuhisa, Yukihiro, Izawa, Eiji, White, Noel C., Giggenbach, Werner F., Aoki, Masahiro (1994) Geology, geochemistry, and origin of high sulfidation Cu-Au mineralization in the Nansatsu District, Japan. Economic Geology, 89 (1) 1-30 doi:10.2113/gsecongeo.89.1.1 | Journal (article/letter/editorial) | | , Goldfield,Nevada; Lepanto,Philippines;Chinkuashih, Taiwan;E1Indio, Chile;PuebloViejo, DominicanRepublic)...Geologicmapof the Makurazaki(western)areaof the Nansatsu district(modifiedfrom Ministryof International TradeandIndustry...section (inset,a)through thecomplete Nansatsu district, from oldestmagmatism in thewestto thepresent...(Takenouchi,1983; HeIn additionto the Nansatsu district,otherdeposits denquistet al., 1988). Gold wasfirst...6.6 metric tons;Akeshi, 4.7 metric tons; Chinkuashih, Taiwan(Huang,1955;Folinsbee et al., to early 1987); |  | | Journal (article/letter/editorial) | | (Casadevalland Ohmoto, 1977), the Lake City district(Slack,1980), andthe Creede district,which hasbeen the subjectof...Spain(Lodder, 1966; Vivaldi et al., 1971), and Chinkuashih,Taiwan (Huang, 1955; Wang, 1972) or with silver...the south- grained as the sanidine. Apatite, magnetite, and eastern San Juan Mountains of Colorado near...-- Bachelor,C = Creede,LG -- La Garita, LC = Lake City, P contrast,the Missionaryvein is mineralogicallydis--...depositand is not discussedfurther in this report. co,o. New Mex. I a I SUMMITVILLEDEPOSIT,COLORADO: ALTERATION& |  | Mitchell, Andrew H. G., Myint, Win, Lynn, Kyi, Htay, Myint Thein, Oo, Maw, Zaw, Thein (2011) Geology of the High Sulfidation Copper Deposits, Monywa Mine, Myanmar. Resource Geology, 61 (1) 1-29 doi:10.1111/j.1751-3928.2010.00145.x | Journal (article/letter/editorial) | | Geology of the High Sulfidation Copper Deposits, Monywa Mine, Myanmar Andrew H. G. Mitchell,1 Win Myint,2 Kyi...Company Limited, Mine Site, Monywa, Myanmar Abstract The 50 km2 Monywa copper district lies near the Chindwin...diatreme facies which the porphyries intrude. District-wide rhyolite dykes and domes with marginal breccias...breccias probably post-date andesite porphyries in the mine area and lack ore-grade copper. Host rocks to mineralization...possibility of porphyry-type mineralization within the district is at best highly speculative. Keywords: heap |  | | Journal (article/letter/editorial) | | inclusions from fluorite-rich Mississippi Valley-Type district of Asturias, northern Spain—Virginia Sánchez,...of the Madeira A-type granite, Pitinga mining district, Amazonas State, Brazil— Artur C. Bastos Neto...Molchanov, E.I. Medvedev, and L.P. Plyusnina 86 New potentially industrial sulfide indium-manganese ore...mineralization of the Chinkuashih high-sulfidation gold-copper deposits, northeastern Taiwan—Yunshuen Wang ...base metal mineralization in the Spessart ore district, Germany: insight from detailed sulfur isotope |  | Mao, Jingwen, Li, Xiaofeng, White, Noel C., Zhao, Caisheng, Zhang, Zuoheng, Wang, Yitian, Hu, Huabin (2007) Types, Characteristics, and Geodynamic Settings of Mesozoic Epithermal Gold Deposits in Eastern China. Resource Geology, 57 (4) 435-454 doi:10.1111/j.1751-3928.2007.00033.x | Journal (article/letter/editorial) | | in Fujian Province; So et al., 1998; and Chinkuashih in Taiwan; Tan, 1991). The Pan-Pacific and Central...Longtoushan (Guangxi Province), and Zijinshan district (Fujian Province) (Fig. 1). Wu et al. (1984) proposed...gold, calaverite, electrum, argentite, pyrite, magnetite, galena, chalcopyrite, tetrahedrite, sphalerite...Cu-Au ore district The Zijinshan Cu-Au mining district is the largest system in China. The district is located...The district has reserves of 3 Mt Cu and >100 t Au (Zhang et al., 1992). The Zijinshan district is hosted |  | | Report (chapter) | | the western U.S.A., Japan, the North Island of New Zealand, the Philippines, Fiji and Spain are described...of the manto-type copper deposit~ Volcanogenic magnetite (+ hematite, apatite and actinorite) deposits...vein deposit of epithermal type, about which much new information has recently become available. The term...stratiform, manto-type copper deposits, volcanogenic magnetite deposits and volcanogenic tin deposits are also...2400 km from the U.S. border to south of Mexico City (Fig. 1). This is the greatest known concentration |  | | Report (volume) | | Bandelier Tuff, Valles Caldera, Jemez Mountains, New Mexico An Active Geothermal System Associated with...Deposits in the Terrill Mountains Area, Holy Cross District, Churchill County, Nevada By Stephen G. Peters...simply a heat engine? Even the use of sophisticated new technologies in the post-World War II era has not...epithermal mineralization in the Holy Cross mining district. This work permits an evaluation of the mineral...ores. His results are encouraging for the use of new airborne and satellite technologies in the search |  | | Journal (article/letter/editorial) | | Fig. 2. A Simplified geological map of Chouichia mine (after Gottis and Sainfeld (1954) and Rouvier (1977)...brochantite, chrysocolla, goethite, hematite and magnetite. 191 Table 2. Microprobe analyses of marcasite...to 5.0 wt%. As in crystal rims) from the Kebbouch mine located 30 km SE to Ain el Bey (Slim 1981). According...20.2 34.1 2 Sb 18.6 31.6 at.% S Chouichia mine 1 8 99.9 44.8 32.4 34.3 32.8 20.8 34.8 99.6...3 35.8 2 Sb 20.4 34.9 at.% S 1 Ain el Bey mine 99.3 -- 45.5 33.3 33.3 32.0 20.5 34.7 l0 |  | | Journal (article/letter/editorial) | | much exploration attention. The Chinkuashih acid-sulfate deposit in Taiwan might be hosted by a PIA-type...that commonly contains albite with or without magnetite and a mafic mineral, sometimes diopside ŽHeithersay...10008C.. The relation between this alteration and magnetite-rich, early alteration seen in some calc-alkaline...rocks have been reported from Puerto Rico, Fiji, New Guinea, Italy and Mexico, with some of these rocks...lava flows and pyroclastic deposits of massive magnetite and its oxidation products ŽPark, 1961; Henriquez |  | | Journal (article/letter/editorial) | | TREIMAN 1 Instute of Meteoritics, University of New Mexico, Albuquerque NM 87131 lborg@unm.edu 2 Lunar...approximations to solve for a reduced number of unknowns. New solute-based mass balance calculations for low-order...potential limitations, sensitivity analysis of the new mass balance results, and the more geochemically...Environmental Sciences. Jawaharlal Nehru University. New Delhi 110 067, India (alr0400@mail.jnu.ac.in, alrjnu@hotmail...Geochemistry Chemical weathering and erosion in New Zealand monitored by bedload and suspended sediments |  | | Journal (article/letter/editorial) | | Zhejiang, Fujian, Guandong, Hong Kong, Hainan, Taiwan and Guanxi and parts of Anhiu, southeastern Yunnan...along the southeastern side of mainland China, on Taiwan, and on Hainan Island, and is that part of the...the nature of the associated magmatism (I-type, magnetite-series versus S-type, ilmenite-series; Chappell...on the islands of Hainan and the western side of Taiwan are of Eocene and Pleistocene age, and belong to...old dacite-hosted Chinkuashih epithermal gold deposit on the northern tip of Taiwan (Fig. 2) is the largest |  | | Journal (article/letter/editorial) | | magmatic-hydrothermal and hydromag- the Cabeza de Vaca district (Sillitoe and Sawkins, matic processesand therefore...deposit Childs-Aldwinklepipe in the Copper Creek district typesare generallyabsentfrom arc terranes,amag-...Granodiorite,an- Arizona desitic volcanics Ortiz, New Quartzite, pyroclas- Mexico rounded tiary rounded...chloritic, argillic Pyrite, chalcopyrite, pyrrhotite,magnetite, molybdenite Quartz,calcite, ankerite,laumontite...minerals Probablyabsent ppm Au Au Pyrite, magnetite,hema- Calcite Not recognized tite, scheelite |  | | Journal (article/letter/editorial) | | question is now possible, by combination of the new microanalytical inclusion data with a re-interpretation...process Lepanto, Philippines Frieda River, Papua New Guinea Bor, Serbia; Recs, Hungary Maricunga Belt...(1999, Fig. 2f) Rodalquilar Buffalo deposit, Chinkuashih, Taiwan Hedenquist et al. (1994b) Spycher and Reed...publications Nansatsu district, Japan Goldfield, Nevada Summitville, Colorado Chinkuashih, Taiwan Furtei, Sardinia...Dominican Republic White Island, New Zealand Goldfield NV Deposit, district Table 1 Review of observations |  | | Journal (article/letter/editorial) | | ascertain at Goldfieldin Nevada(Ransome,1909), Chinkuashih in Taiwan (Huang, 1955), and Lepantoin the Philippines(Garcia...eroded Refugio deposit (Vila and Sillitoe, 1991). Magnetite, variably martitized, is a major componentof ...pluton-relatedveinsof Mesozoic agein the Segovia district,Colombia(Rodriguez and Pernett,1983), andin manypartsof...AnzoleagaV., O., 1988, The La Joyacopper-gold-silver district, Bolivia,in Yacimientosepitermalesen ambientesde...C. K., 1955, Gold-copperdepositsof the Chinkuashih mine, Taiwan, with specialreference to the mineralogy:Acta |  | | Journal (article/letter/editorial) | | used this conceptto developthe ilmenitehematite-magnetite-ulvospinel geothermometer in the system TiO•.-FeO-Fe•...temperaturedepositsas the Joplin district, Goldfield, Nevada, and Chinkuashih, Taiwan, raise the possibility either...probeanalyseswere conducted on the ARL from Julcani mining district, Province of Angaraes, Peru (Goodell,1970), hasconfirmedthat...searchCorporation. temperaturesof 325ø to 365øC from the district DEPARTMENT OF GEOLOGICAL SCIENCES (Petersen and...H. L., Geochemistryof hydrothermalore deposits: New York, Holt, Rinehart, and Winston, Inc., than both |  | Zhai, Wei, Sun, Xiaoming, Sun, Weidong, Su, Liwei, He, Xiaoping, Wu, Youliang (2009) Geology, geochemistry, and genesis of Axi: A Paleozoic low-sulfidation type epithermal gold deposit in Xinjiang, China. Ore Geology Reviews, 36 (4) 265-281 doi:10.1016/j.oregeorev.2009.04.003 | Journal (article/letter/editorial) | | Technology of China, Heifei, 230026, PR China e Axi Gold Mine, Yining, Xinjiang, 835000, PR China b c a r t i...Golden Cross in New Zealand, Ladolam and Porgera in Papua New Guinea, Chinkuashih in Taiwan, Zijinshan and...northwestern China, approximately 50 km NW of Yining city. The deposit occurs in the Tulasu volcanic fault-basin...overlie the basement. In the vicinity of the Axi mine, the total thickness of the Dahalajunshan Formation...bodies outwards. In the northeastern part of Axi mine, the Lower Carboniferous Aqialehe Formation unconformably |  | | Journal (article/letter/editorial) | | (Fig. 7a). 3.1.1.1 Daqingshan The Daqingshan gold district contains Hadamengou (2A-1) (Hart et al., 2002)...than 100 t, is located about 15 km west of Baotou city, Inner Mongolia and was controlled by the EW-trending...MA 3.1.1.2 Zhangjiakou The Zhangjiakou gold district occurs within the Shuiquangou syenite-monzonite...from the mantle. 3.1.1.3 Yanshan The Yanshan gold district, 150 km northeast of Beijing, contains the Jinchangyu...(Table 1). 3.1.1.4 West Liaoning T The gold district in West Liaoning contains Jinchanggouliang (2A-9) |  | Watanabe, Makoto, Nishido, Hirotsugu, Hoshino, Kenichi, Hayasaka, Yasutaka, Imoto, Nobuhiro (1998) Metallogenic epochs in the Inner Zone of southwest Japan. Ore Geology Reviews, 12 (4) 267-288 doi:10.1016/s0169-1368(98)00002-x | Journal (article/letter/editorial) | | mainly to ilmenite series ŽLate Cretaceous. or magnetite series ŽPaleogene. granitic rocks. Related to...sericite deposits are characteristics of the magnetite series terranes, with local skarns and vein occurrences...microfossils such as radiolarians and conodonts, and new radiometric age data reported here, indicate strongly... substantiating our new metallogenic age subdivisions. This article presents new geochronologic data...associated with these granitic rocks in the Kinki district, Central Japan Že.g., Yamato–Suigin, Kamio and |  | | Book | | Toto Ltd., Kitakyushu City, Japan Moon Yung Kim: Department of Geosciences, Osaka City University, Osaka...Environmental Science, Queens College, City University of New York, New York, U.S.A. Taro Takahashi: Department...Department of Geological Science, Columbia University, New York, U.S.A. Shigeaki Tsukagoshi: Mitsui Metal Mining...Ohya Mine, Miyagi Prefecture ... . ... . . . .. . .................(H. Imai). . .. 3. Takatori Mine, Ibaragi...Kim, Y. Fujiki and S. Takenouchi).... 5. Komori Mine, Kyoto Prefecture . . . ..... .. . .....(H. Imai |  | | Report (issue) | | the current-year issues of the monthly catalog "New Publications of the U.S. Geological Survey." Prices...Center, Rm. 1C402,12201 Sunrise Valley Dr. SALT LAKE CITY, Utah-Federal Bldg., Rm. 8105,125 South State St...Alaska Distribution Section, U.S. Geological Survey, New Federal Building - Box 12 101 Twelfth Ave., Fairbanks...Distribution, Bldg. 810, Federal Center FAIRBANKS, Alaska-New Federal Bldg., 101 Twelfth Ave. Chapter E Gold...Gold in the Bingham District, Utah By EDWIN W. TOOKER Gold in the Butte District, Montana By EDWIN W |  | | Report (issue) | | relation of the chemical composition of the mineral magnetite, a main component of magnetic concentrates, to...1939; Sigov, 1939; Staatz, 1947), Australia and New Zealand (Jack, 1928; Mutton, 1940, 1945), and North...were also formalized (Raeburn and Milner, 1927). A new impetus in the use of concentrates for mineral exploration...secondary effects of chemical dispersion. Detrital magnetite was observed to absorb ions of Mn, Cu, Pb, and...(Fujigaki, 1967), and locally the presence of magnetite in stream sediments used as geochemical samples |  | Peacor, Gejing Lib Donald R., Essene, Eric J., Brosnahan, David R., Beane, Richard E. (1992) Walthierite, Ba0.5[]0.5Al3(SO4)2(OH)6,and huangite, Ca0.5[]0.5Al3(SO4)2(OH)6, two new minerals of the alunite group from the Coquimbo region, Chile. American Mineralogist, 77 (11-12) 1275-1284 | Journal (article/letter/editorial) | | sAl3(SO4)2(OH)u, and huangite,Ca".rn0.sAl3(SO4)r(OH)u, two new minerals of the alunite group from the Coquimboregion...huangite, two new members of the alunite group, were found in the Tambo mining district and the El Indio...pyrite, and woodhouseitein altered wall rocks. The new alunite group minerals have spacegroup R3m, Z: 6...Douof the El Indio deposit and the Tambo mining district, bling is causedby ordering of Pb2* and vacanciesin...name doesnot representend-member material. Both new vein barite and that alunite formation utilized original |
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