 | | Journal (article/letter/editorial) | | GEOLOGY JUNE--JULY,. 1955 MINE WALDEMAR OF COLQUIJIRCA, No. 4 PERU. LINDGREN. Introduction.--The...productivesilver mine of North and South America, is situated 8 kilometers south of Cerro de Pasco in the foothills...an elevationof about4,ooo meters. It is a small mine; the greatestdepth attained,as far as I know, is...For comparison, it may be recalledthat the Premier mine, British Columbia,produced27,ooo,oooouncesof silver...Standard Mine produced4,ooo,oooouncesin 1925. The whole silver productionof the Tintic district from 1869 |  | | Journal (article/letter/editorial) | | Cu-Zn-Pb-(Au-Ag) Mineralization in the Colquijirca District, Central Peru: Deposit-Scale Mineralogical Patterns...AND LLUÍS FONTBOTÉ2 1Bilbao 2Sciences 295, Lima, Peru de la Terre et de l’environnement, Université de...CH-1205, Genève, Switzerland Abstract At Colquijirca, central Peru, a Miocene diatreme-dome complex is associated...deposits, Smelter and Colquijirca, located in the northern sector of the district, are part of a continuously...peripheral ZnPb-(Ag) ores (Colquijirca deposit). The Smelter-Colquijirca corridor has undergone minor |  | | Journal (article/letter/editorial) | | Cu-Zn-Pb-(Au-Ag) Mineralization in the Colquijirca District, Central Peru: Deposit-Scale Mineralogical Patterns...AND LLUÍS FONTBOTÉ2 1Bilbao 2Sciences 295, Lima, Peru de la Terre et de l’environnement, Université de...CH-1205, Genève, Switzerland Abstract At Colquijirca, central Peru, a Miocene diatreme-dome complex is associated...deposits, Smelter and Colquijirca, located in the northern sector of the district, are part of a continuously...peripheral ZnPb-(Ag) ores (Colquijirca deposit). The Smelter-Colquijirca corridor has undergone minor |  | | Journal (issue) | | TSKnerals of i'eru ! Indian miner, Cerro de Pasco, Peru, 1869 (Simonin, 1869). J3E(mes and J3E(merals...crystal group, 7 cm, from the Huanzala mine, Dos de Mayo Province, Peru. Marty Zinn collection; Jeff Scovil............................... History of Peru Mining in Peru The Mineral Specimen Business C o l l e c....................... Quiruvilca district, Santiago de Chuco province, department of La Libertad PASTO.......................... Pasto Bueno district, Pallasca province, department of Ancash R a u r a -H u |  | | Journal (article/letter/editorial) | | Polymetallic Zn-Pb-Ag-Cu-Bi Mineralization at Cerro de Pasco, Peru* REGINA BAUMGARTNER†,** LLUÍS FONTBOTÉ, Department...Abstract The large Cerro de Pasco Cordilleran base metal deposit in central Peru is located on the eastern...areas, located 2.5 km northwest of the Cerro de Pasco open pit and in the southern part of the deposit...Teck Cominco Peru, Psje. los Delfines 159, Las Gardenias, Santiago de Surco Lima 33, Peru. 0361-0128/08/3739/493-45...formed alunite. The hydrothermal system at Cerro de Pasco was emplaced at a shallow depth (~500 m) in the |  | | Journal (article/letter/editorial) | | GEOLOGY AND MAJOR ORE DEPOSITS OF CENTRAL ULRICH PERU PETERSEN CONTENTS PAGE Abstract ................................................... Cerro de Pasco ..................................................the center of the districts to the margins. This district zoning is modifiedby local or orebodyzoning and...complexenterprise,includingthe Goyllarisquizga coal mine, concentrating, smelting,and refiningfacilitiesand...observations and ideas. MAJOR ORE DEPOSITS OF CENTRAL PERU 409 General summariesare presentedby McLaughlin |  | | Journal (article/letter/editorial) | | London N6 6ND, England DAVID J. HALL, GoldQuest Mining Corp., 1810 –1111 W. Georgia Street, Vancouver...Panamá, Panama AND ALISTAIR H. WADDELL GoldQuest Mining Corp., Calle Guayubín No. 4, Los Rios, Santo Domingo...Abstract Field observations in the Pueblo Viejo district, Dominican Republic, show that an extensive advanced...1995), along with markedly elevated zinc contents. District-wide observations made during exploration activities...reference (after Kesler et al., 1991b). by GoldQuest Mining Corp. and a predecessor company have resulted in |  | Wang, Changming, Zhang, Da, Wu, Ganguo, Santosh, M., Zhang, Jing, Xu, Yigan, Zhang, Yaoyao (2014) Geological and isotopic evidence for magmatic-hydrothermal origin of the Ag–Pb–Zn deposits in the Lengshuikeng District, east-central China. Mineralium Deposita, 49 (6) 733-749 doi:10.1007/s00126-014-0521-8 | Journal (article/letter/editorial) | | origin of the Ag–Pb–Zn deposits in the Lengshuikeng District, east-central China Changming Wang & Da Zhang...Heidelberg 2014 Abstract The Lengshuikeng ore district in east-central China has an ore reserve of ∼43...characteristics, the mineralization in the Lengshuikeng ore district can be divided into porphyryhosted and stratabound...Introduction The Lengshuikeng ore district, located in the Jiangxi Province of east-central China (Fig. 1a)...Deposita Fig. 1 a Location map for the Lengshuikeng District. b Sketch map showing the Late Mesozoic volcanic-intrusive |  | | Journal (issue) | | except the Dale Beck Valley, Dry Gill and Carrock End Mine. Grahamis hoping to get the permit system properly...quartz, millerite, galena, sphalerite, siegenite, ankerite, hattchetite, and the latest find fluorapatite...still very much a 'frontier place'. One supposed mine was started by a character called Otto van Stryk...Stryk who thought he had found a huge iron mine. Alas, he never got any useable ore out of it. Rick went... So now it is recognised as a potential uranium mine! Another anecdote involved a light plane brought |  | | Book | | Universidad Nacional de lngenieria, and Newmont Peru Limited Gerente de Exploraciones Av. Jose Galvez...Galvez Barrenechea 218, Urb. Corpac Lima-San Isidro, Peru Prof. Dr. ESTEBAN CEDILW Facultad de Minas, Metalurgia...place in September 1986 in Cusco, Peru, sponsored by Multiciencias (Peru) and UNESCO. During this seminar...Latorre, Director of the Multiciencias courses in Peru strongly supported the whole organization of the...Occurrences in the Paleozoic of the Yauli Dome, Central Peru H. W. Kobe . . . . . . . . . . . . . . . . . . |  | | Journal (article/letter/editorial) | | of the flat-topped hills in the vicinity of the mine are believed to be remnants of sheets of travertine...underlain both by Archaean crust of the Superior Province, locally with its Huronian sedimentary cover:...sufficiently frequent that efforts were made to mine them in their own right. (Remember that much of...University of Edinburgh, Scotland A detailed analysis of mine plans and grade data, building on previous work...hydrothermal systems in concentrations that are economic to mine. Small, discrete grains of gold can be readily extracted |  | | Journal (article/letter/editorial) | | at: No. 19, Beitucheng Western Road, Chaoyang District, 100029 Beijing, P.R. China. E-mail address:...metals for Mexico, the United States, Canada, Chile, Peru, Papua New Guinea, and Japan. Lindgren (1922, 1933)...in Altiplano province (Noble et al., 1990) as well as central and Northern part of Peru (Kamilli and...Ciobanu et al., 2002; Grancea et al., 2002), Baguio district of the Philippines and Morobe goldfield of Papua...fluorite (Real de Angeles; Fresnillo), dolomite-ankerite (Fresnillo), muscovite (Miguel Auza), albite (Tayoltita) |  | Prendergast, K., Clarke, G. W., Pearson, N. J., Harris, K. (2005) Genesis of Pyrite-Au-As-Zn-Bi-Te Zones Associated with Cu-Au Skarns: Evidence from the Big Gossan and Wanagon Gold Deposits, Ertsberg District, Papua, Indonesia. Economic Geology, 100 (5) 1021-1050 doi:10.2113/gsecongeo.100.5.1021 | Journal (article/letter/editorial) | | Big Gossan and Wanagon Gold Deposits, Ertsberg District, Papua, Indonesia KYLIE PRENDERGAST,† GAVIN W...Tasmania 7001, Australia Abstract The Ertsberg district hosts multiple skarn and porphyry-related deposits..., meteoric) water. Introduction THE ERTSBERG DISTRICT is located in the mountainous Central Ranges of...and major deposits and prospects of the Ertsberg district (modified with permission from unpub. Freeport...locations and examines their genesis in the porphyry district. This study includes a structural-stratigraphic |  | | Journal (article/letter/editorial) | | evolution in the W–Cu–Zn–Pb San Cristobal vein, Peru: fluid inclusion and stable isotope evidence S....San Cristobal district is located 100 km east of Lima in the western cordillera of Peru. It is centred...northern Peru (Noble and McKee, 1999) and include some world-class districts such as Cerro de Pasco, Colquijirca...Miocene metallogenic belt of central and northern Peru, but are common features of such ore deposits worldwide...we focus on a single vein of the San Cristobal district in which the paragenetic sequence is well established |  | | Report (issue) | | 323 A. Rifle area, Colorado «0s... 323 B. Uravan District, Colorado 324 Cope tick Rock DIsEEIcL sCoLoradO)...324 DeeGkante District, New sMext Comer. clecetsls cused cists! 0/0 326 E. Shiprock District, Utah—Arizona...Utah—Arizona ....vccccsnens F. Monticello-Moab-Thompsons District, Utah .....secvceee 326 327 ee eeseeee Gig GE...eoeeereoeeeceoecoer eee se eeeeoseerseeseeoeee Pasco Colquijirca ..e.ece ..s.c.ce- eee eeeeeeeeeeoeeee...between galena sphalerite, Darwin Lead-Silver-Zinc mine, Inyo County, California, Econ. Geol., v. 66, p |  | | Journal (article/letter/editorial) | | proximal to distal comprised of Mn-rich siderite, ankerite and ferroan dolomite, which replace the dolomite...vectors from ore to distal, comprising siderite, ankerite, ferroan dolomite and dolomite have been described...scanning instrument (Schodlok et al., 2016b). The Abra Mining Ltd Pty also carried out field spectrometer measurements...sphalerite. Siderite, in addition to less abundant ankerite and minor Fe-dolomite, was identified within the...absorption* Fe2+ CFA carbonate chlorite siderite, ankerite, Fe-rich chlorite Fe2+ CFA ~1200 Gaffey (1986) |  | Alford, Lee, Gysi, Alexander P., Hurtig, Nicole C., Monecke, Thomas, Pfaff, Katharina (2020) Porphyry-related polymetallic Au-Ag vein deposit in the Central City district, Colorado: Mineral paragenesis and pyrite trace element chemistry. Ore Geology Reviews, 119. 103295 doi:10.1016/j.oregeorev.2019.103295 | Journal (article/letter/editorial) | | polymetallic Au-Ag vein deposit in the Central City district, Colorado: Mineral paragenesis and pyrite trace...polymetallic AuAg vein deposit in the Central City district, Colorado: Mineral paragenesis and pyrite trace...polymetallic Au-Ag vein deposit in the Central City district, Colorado: Mineral paragenesis and pyrite trace...polymetallic vein. The Central City historic Au-Ag mining district is located in the Front Range of Colorado,...Previous studies have related ore formation in the district to the emplacement of Late Cretaceous-Paleogene |  | Amstutz, G. C., Goresy, A. El, Frenzel, G., Kluth, C., Moh, G., Wauschkuhn, A., Zimmermann, R.A. - Eds. (1982) Ore Genesis. Springer Berlin, Heidelberg. doi:10.1007/978-3-642-68344-2 | Book | | block I experienced recently when visiting a gold mine in virtually unmetamorphosed ground. A fault cuts..."common sense" observations described from the gold mine with the chert and the organic matter. Another potent...Alterations of Conglomeratic Uranium Ores, Pronto Mine, Ontario, Canada E.Wm. Heinrich (With 1 Figure)...Observations on Ore Rhythmites of the Trzebionka Mine, Upper Silesian-Cracow Region, Poland L. Fontbote...Alteration and Mineralization in the Tri-State District of Missouri, Kansas, and Oklahoma, U.S.A. R.D |  | Amstutz, G. C., Goresy, A. EI, Frenzel, G., Kluth, C., Moh, G., Wauschkuhn, A., Zimmermann, R.A. - Eds. (1982) Ore Genesis - The State of the Art - A Volume in Honour of Professor Paul Ramdohr on the Occasion of His 90th Birthday With Special Reference to His Main Scientific Interests - Special Publication of the Society for Geology Applied to Mineral Deposits No. 2. Springer Berlin Heidelberg. | Book | | block I experienced recently when visiting a gold mine in virtually unmetamorphosed ground. A fault cuts..."common sense" observations described from the gold mine with the chert and the organic matter. Another potent...Alterations of Conglomeratic Uranium Ores, Pronto Mine, Ontario, Canada E.Wm. Heinrich (With 1 Figure)...Observations on Ore Rhythmites of the Trzebionka Mine, Upper Silesian-Cracow Region, Poland L. Fontbote...Alteration and Mineralization in the Tri-State District of Missouri, Kansas, and Oklahoma, U.S.A. R.D |  | | Report (issue) | | limestone or dolomite. It is a useful ore guide in many mining districts UNITED STATES GOVERNMENT PRINTING OFFICE........... Characteristics of jasperoid in major mining districts of the United States ..................................................... Tri-State district, Oklahoma, Kansas, and Missouri ................Clifton-Morenci district, Arizona .............................. Bisbee (Warren) district, Arizona ........ Ely (Robinson) district, Nevada .............................. Leadville district, Colorado ...... |  | | Journal (issue) | | Cd-bearing phosphate mineral from the Gold Quarry mine, Eureka County, Nevada . . . . . . . . . . . . ...crystal cluster, 7.3 cm, from near Bapu, Guangdong Province, China. Rob Lavinsky specimen, now in the Tom...recovered from the dumps of this small mine. Local collectors reworked the mine dumps many times in search of...about 325 meters southwest of the Bishop manganese mine. The locality was early on referred to as a “copper...spatially distinct from the nearby Bishop manganese mine. The dumps do not contain significant manganese |  | | Book (edition) | | PAGE Extraction of Metals and Minerals 398 Mining, 398; Milling, 1+10; Smelting, 1+11+; Refining...and as such was taught as one phase of mining in the early mining schools. As greater attention was paid...tive industries. The early kinship with mining, and metal mining in particular, with which economic geology...specialized subdivision of economic geology known as mining geology which deals especially with the problems...problems of ore deposits and their relation to metal mining and, to some extent, with metallurgy. This relation |  | | Book | | affects its present characteristics as a minera1 province, because of the exposure of the various depth...J ■ I p r e s e n t l i m i t of 1 underground mining ■ ■ 1 1 •H CO CO cd •H cd \ i 4-1 •H c ...sills), if they are exposed in outcrop or in the mine workings at all. The Climax Mo complex is the best...ranging from 45 to 78% (as in the Andean Batholith, Peru), or as homogeneous bodies composed virtually of... Two of them, the Coastal (Andean) Batholith of Peru and the 1013 Boulder Batholith, Montana, have |  | | Book | | affects its present characteristics as a mineral province, because of the exposure of the various depth...u n d e r g r o u n d 1 of QJ · · u , Ό mining 1 1 IL··I _ l ~ U C > cd rH cd 3 1 "1...sills), if they are exposed in outcrop or in the mine workings at all. The Climax Mo complex is the best...ranging from 45 to 78% (as in the Andean Batholith, Peru), or as homogeneous bodies composed virtually of... Two of them, the Coastal (Andean) Batholith of Peru and the 1013 Boulder Batholith, Montana, have |  | Anikina, E. Yu., Bortnikov, N. S., Klubnikin, G. K., Gamyanin, G. N., Prokof’ev, V. Yu. (2016) The mangazeya Ag–Pb–Zn vein deposit hosted in sedimentary rocks, Sakha-Yakutia, Russia: Mineral assemblages, fluid inclusions, stable isotopes (C, O, S), and origin. Geology of Ore Deposits, 58 (3) 182-212 doi:10.1134/s1075701516030028 | Journal (article/letter/editorial) | | 1‰ (VPDB) and from +14.6 to +19.5 (VSMOW) in ankerite; and from –4.2 to –2.9‰ (VPDB) and from +13.5...(~80 Ma) (Parfenov et al., 1995, 1999). The ore district is com posed of Carboniferous–Permian and, to...Schematic geological map of West Verkhoyansk ore district. (1) Upper Mesozoic sandshale rocks, (2–5) Upper...cm) NE trending series (50°–60° NE) (Fig. 7b). Ankerite inclusions, which are encountered in quartz, are...gite– silver sulfosalt–ankerite → sphalerite–sulfoantimo nite–lead ankerite with pink sphalerite. 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Colquijirca mine, Colquijirca mining district, Tinyahuarco district, Pasco province, Pasco, Peru