 | | 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...Avda. Rey Gustavo Adolfo 250-J Estacion Central Santiago, Chile jZonfenls * * . I n t r o d u c t i............................... 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 BUENO G |  | | Journal (article/letter/editorial) | | EconomicGeology Vol. 82, 1987, pp. 1431-1452 Quiruvilca,Peru' Mineral ZoningandTiming of Wall-RockAlteration...Suite202, Lakewood,Colorado80226 Abstract Quiruvilca district Cu-Pb-Zn-Agveins have producedover 8 million...stratovolcanocomplex. The district has four broadly concentricmineralogiczones from district center to edgeswhich...andstibnite.All veins,regardlessof zonal positionin the district, share the samefour grossparageneticstages:pyrite...alterationhalosenclosingveinsincreasewith depth and toward the district center. Correlationbetweenparageneticstagesof |  | | Journal (article/letter/editorial) | | sulfides and selenides that include briartite, luzonite, and hocartite; it is dimorphous with ferrokesterite...states. Examples include the Cove mine, Lander County, the Bald Mountain mine, White Pine County, and the famous...famous Majuba Hill mine, Pershing County, Nevada; with freibergite and andorite at the Bear Basin mines...sphalerite at the Young American mine, Stevens County, Washington; the Old Dowdy mine, Gunnison County, Colorado...löllingite, smaltite, and various sulfides; the Merrimac mine, Doña Ana County, Figure 1. A 2.5-cm-high stannite |  | | Report (issue) | | AsS4 . Polymorphism & Series: Dimorphous with luzonite. Occurrence: In hydrothermal vein deposits formed...localities can be mentioned. In Peru, from Morococha [TL] and Cerro de Pasco, with exceptional crystals...Mina Luz Angelica, Quiruvilca. In Argentina, in the Sierra de Famatina, La Rioja Province. In the Philippine...Chinkuashi mine, Keelung, Taiwan. At Kaize-mura, Nagano Prefecture, and in the Teine mine, Hokkaido,...Silver Bow Co., Montana; in Utah, in the Tintic district, Juab Co.; in Colorado, in fine specimens from |  | | Journal (article/letter/editorial) | | 1629-1644 Metal Ratiosof the Quiruvilca Mining District, Northern Peru PAULJ. BARTOS ASARCOInc., Roc...generate too muchnoiseto discernsignificantpatterns. District-scale metalratiosof basemetallodedepositsshowconsiderable...Thisstudydealswiththe southern partof theQuiruvilcabasemetallode district(Coco-LuzAngelica area),whichis locatedapproximately...locatedapproximately 80 km eastof Trujillo in north-central Peru (Fig. 1). Detailsof the districtandregionalgeologyare...brief outline will be presented here.Theword"Quiruvilca" means "sacredtooth" in Quechua,the linguafrancaof |  | | Journal (article/letter/editorial) | | low-grade silver-gold deposits such as Yanacocha, Peru. Introduction Enargite-gold vein deposits are the...tonnage, high- sulfidation deposits such as Yanacocha, Peru. Their geochemical, fluid inclusion, stable isotope...small tetrahedral crystals of Sb-rich sulfosalt (luzonite?) in a cavity in the enargite. c. Close-up from...containing K-feldspar and growths of an Sb-rich phase (?luzonite). d. a FESEM SE image of an experimental charge...bornite, ISS = intermediate solid solution, Lz = luzonite. 0361-0128/98/000/000-00 $6.00 sulfosalt assemblage |  | | Journal (article/letter/editorial) | | Layo (Cu, Sn, As, Au) epithermal deposit (Southern Peru) E. M a r c o u x 1, Y. Mo~lo 2, and J. P. Mil6si...porphyry copper and epithermal deposits. R~sum~ La min&alogie originale ~ vinciennite et tennantite...gisement dpithermal (Cu, Sn, As, Au) de Layo (Sud P&ou) Le glte ~pithermal de Layo est encaiss6 dans les volcanites...volcanites calco-alcalines Mioc~nePlioc~ne du groupe de Tacaza. Sa zone orientale renferme des corps min6ralis6s...vinciennite et mawsonite. La vinciennite est proche du p61e th6orique (CuloFe4SnAsS16) et la tennantite riche |  | | 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...Rosa 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 |  | | Journal (article/letter/editorial) | | Stackingdisorderand polytypismin enargiteand luzonite MrnAr-v Posrart'x ,lNo MIncARETA SuNnnnnc' 'Departmentof...Sweden AssrnA.cr Microstructures of enargite and luzonite (CurAsSr) were studied using high-resolution ...selected-areaelectron diffraction (SAED). Enargite and luzonite are intergrown at the atomic level in samplesfrom...interpreted as stacking faults in the regular cubic (luzonite) or hexagonal (enargite) sequenceof close-packedlayers...-occur in enargite. The presenceof defect-free luzonite and enargite indicates that both minerals grew |  | | 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...collectors today have a certain amount of accessioning and de-accessioning going on as a routine part of their...consult the nearest 16-year-old. Arizona Dealers De Natura Douglass Minerals Les & Paula Presmyk P...recovered from the dumps of this small mine. Local collectors reworked the mine dumps many times in search of |  | | Journal (article/letter/editorial) | | Structure and ag e of the Cerro de Pasco Cu-Zn-Pb-Ag deposit, Peru E.S. Cheney * Department of Geology...The world-famous Cu-Zn-Pb-Ag deposit at Cerro de Pasco, Peru, consists of texturally massive pyrite, texturally...Longitudinal fault, one of the largest faults in the district, but the Vent is not. Imbrication by the Longitudinal...unrelated to the Vent. The Cerro de Pasco Cu-Zn-Pb-Ag deposit of central Peru (Fig. 1) has long been genetically...known as "the Vent" (Graton and Bowditch 1936; Cerro de Pasco Copper Corp., Geological Staff 1950 - hereafter |  | | Journal (article/letter/editorial) | | betweenmicrostructureand compositionin enargiteand luzonite MrnAr-v P6sn.qlx lNn PnrBn R. Busncx Departmentof...disorderedcrystals of intergrown enargite and the luzonite-famatinite series (P6sfai and Sundberg 1998).... Although luzonite typically contains more Sb than enargite,individual layers of luzonite within Sb-bearing...structural enargite-luzoniteand the compositional luzonite-famatinite solid solutions can be represented...this diagram reveal that Sb-bearingenargite and luzonite contain only a relatively small number of defects |  | | Catalog/List | | il" in size . 2xl". £5 . 00 AI'-'GLE'.SITE. Hilton Mine, Scordale, Westmoreland. Cavities in Galena matrix...lxil" . £2.50 APOPHYLLITE and Preh;,ite. Phalaborwa Mine, Transvaal, S. Africa. Very rich specimen suitable...2x3 '; . £14.00 NATIVE ARSE.'lIC + Stibnite. Kusa Mine, Nr . Bau, Sarawak, Borneo. Specimen ASilvery grey...Malachite in association . 2~xl~". £5 . 50 AZURITE. Wood Mine, Alderl ey &!ge, Cheshire . Pale inky blue coating...matrix. Hxl" . £2 .00 AZURITE. Laurion, Attica district, Greece. Deep cavity lined with sparkling dark |  | | Journal (article/letter/editorial) | | Cu-Zn-Pb-(Au-Ag) Mineralization in the Colquijirca District, Central Peru: Deposit-Scale Mineralogical Patterns RONNER...2Sciences 295, Lima, Peru de la Terre et de l’environnement, Université de Genève, Rue de Maraîchers 13, CH-1205...Genève, Switzerland Abstract At Colquijirca, central Peru, a Miocene diatreme-dome complex is associated in...Colquijirca, located in the northern sector of the district, are part of a continuously mineralized northsouth...associations and assemblages: (1) enargite ± (luzonite, pyrite, colusite, tennantite, goldfieldite, ferberite |  | | Journal (article/letter/editorial) | | Cu-Zn-Pb-(Au-Ag) Mineralization in the Colquijirca District, Central Peru: Deposit-Scale Mineralogical Patterns RONNER...2Sciences 295, Lima, Peru de la Terre et de l’environnement, Université de Genève, Rue de Maraîchers 13, CH-1205...Genève, Switzerland Abstract At Colquijirca, central Peru, a Miocene diatreme-dome complex is associated in...Colquijirca, located in the northern sector of the district, are part of a continuously mineralized northsouth...associations and assemblages: (1) enargite ± (luzonite, pyrite, colusite, tennantite, goldfieldite, ferberite |  | | Catalog/List | | 2tX1t", £S . 00 9 . BISMUTHINITE . South Croft y Mine , Illogan , Cornwall. Silvery- grey bl ades and...00 11. BoURNDNITE. Julcani ~i. ne, Junin Prov ., Peru . Dark greyish metallic twi nned cryst als to 4...2X1t-'.' , £10 . 00. 12. BROCHANTITE . Portales mine , Oingham , New Mexico , U. S.A. Rich crusts of...siZI;l , ;;1 . 2Sp,eoch . 1S . CALCITE . Lev ant Mine , Pendeen , Cornwall. Choice lus trou s creamy to...l]1en 0 :, ~x2tXlt ", £6 . 00 16. CALCITE. Levant Mine , Pendeen , Cornwa ll . Choioe lust~ous transparent |  | Bendezú, Ronner, Page, Laurence, Spikings, Richard, Pecskay, Zoltan, Fontboté, Lluís (2008) New 40Ar/39Ar alunite ages from the Colquijirca district, Peru: evidence of a long period of magmatic SO2 degassing during formation of epithermal Au–Ag and Cordilleran polymetallic ores. Mineralium Deposita, 43 (7) 777-789 doi:10.1007/s00126-008-0195-1 | Journal (article/letter/editorial) | | 40Ar/39Ar alunite ages from the Colquijirca district, Peru: evidence of a long period of magmatic SO2...crystals from the large Miocene Colquijirca district in central Peru. Combined with previously published data...Spikings : L. Fontboté Section des Sciences de la Terre, Université de Genève, Geneva, Switzerland e-mail: Ronner...Bendezú Sociedad Minera El Brocal S. A. A., Lima, Peru L. Page Department of Geology, Lund University,...40Ar/39Ar geochronology . Cordilleran . Colquijirca . Peru Introduction Hydrothermal systems with life spans |  | Rottier, B., Kouzmanov, K., Casanova, V., Wälle, M., Fontboté, L. (2018) Cyclic Dilution of Magmatic Metal-Rich Hypersaline Fluids by Magmatic Low-Salinity Fluid: A Major Process Generating the Giant Epithermal Polymetallic Deposit of Cerro de Pasco, Peru. Economic Geology, 113 (4) 825-856 doi:10.5382/econgeo.2018.4573 | Journal (article/letter/editorial) | | Giant Epithermal Polymetallic Deposit of Cerro de Pasco, Peru B. Rottier,1,†,* K. Kouzmanov,1 V. Casanova...mid-Miocene Cerro de Pasco Cordilleran polymetallic (Zn-Pb-Ag-Cu-Bi) deposit in central Peru formed during...ablation-inductively coupled plasma-mass spectrometry (LA-ICPMS) study of fluid inclusions hosted in gangue...changing fO2, pH, fS2, and temperature. Trace element LA-ICP-MS analyses of sphalerite, pyrite, and enargite...the giant epithermal polymetallic deposit of Cerro de Pasco. Such a mechanism may also explain moderate-salinity |  | | Catalog/List | | £10 2x2 £15 Ix! £3 lx2 £6 I · 88 ADAMITE Ojuela Mine, Mapimi, Mexico Colourless to yellow small crystals...lx½£5 ZnAs0/4 2 AEGIRINE Mount Malosa, Zomba District, Malawi Rich mass ofblnck crystal sections ,on...£10 2x3 £15 Na Ca SiO F 7fJ 7 ■ AJOITE Christmas Mine, Gila County, Arizona USA Blue veinlets in matrix...5cm £4 no/2 feldspar 37 ANCYLITE Ce Dark Star Mine,Ravalli County, Montana U.S.A Rich pinkish fine...£7.50 Ag Sb 501 ALLOPHANE New East Wheal Russell mine, Devon ,England grey bleby small botryoidal with |  | | Journal (article/letter/editorial) | | Aufs~itze BURGL, H.: Historia Geol6gica de Colombia. - - ttev. Aead. Colomb. Cienc. Ex., Fis. y Mat...Regional geology and mayor ore deposits of Central Peru. Econ. Geol., 60, 8, 407~476, Lancaster 1965. RADELLI...Yacimientos Metallferos de Chile. -- Inst. Invest. Geol. Chile, 305 S., Santiago de Chile 1965. SAUER,W.:...presente articulo describe la distribuei6n a gnin eseala de algunos tipos de yacirnientos minerales en...tratando de discernir su posible relaci6n con las principales unidades geotect6nicas. So trata solo de una |  | | Book | | On a spectacular find of crocoite in the Adelaide mine, Dundas, Tasmania (by A. H. Chapman) 3:111-113 ADOLFSSON...AJO Famous mineral localities: the New Cornelia mine, Ajo, Arizona (by W. J. Thomas & R. B. Gibbs) 14:283-298...ALLEN, GEORGE B. --and W. Hunt: The Tonopah-Belmont mine, Maricopa County, Arizona 19:139-144 ALLGOOD, GENNE...Allgood, C. Williams: Ramsdellite from the Mistake mine [Arizona] 14:333-335 ALLGOOD, ROBERT W. -with G...the Mistake mine [Arizona] 14:333-335 ALMA Famous mineral localities: the Home Sweet Home mine, [near Alma |  | | Book | | Explanation of the abbreviations used in the book c s L D DE H CL F M LU R X XX - color streak luster diaphaneity...to black in air; S - red; L - metallic; D opaque; DE - 8.9; H - 2.5 - 3; CL - none; F - hackly; M - cubic...Crystals up to 140mm (5'A in) long occurred in the Ray mine and in Bisbce, Arizona, USA. Very fine spincl-law...black: S - silver-white; L metallic; D - opaque; DE 10,5; H - 2.5 - 3; CL - none; F - hackly; M - cubic...come also from the San Gcnaro Mine in Huancavclica and Uchucchaqua, Peru. New finds of silver wires, up |  | | Book | | .....• ••~.. lnstituto Tecnol6gico i ~ GeoMinero de Espana Special Publication No. 8 f_o_r_G~e~o-lo_g_y_...CARDOZO Universidad Nacional de lngenieria, and Newmont Peru Limited Gerente de Exploraciones Av. Jose Galvez...Isidro, Peru Prof. Dr. ESTEBAN CEDILW Facultad de Minas, Metalurgia y Geologia, Universidad de Guanajuato...Guanajuato Ex-Hacienda de San Matias s/n Apartado Postal 347 Guanajuato, Gto. 36020, Mexico Prof. Dr. Lwfs...Lwfs FONTBOTE Departement de Mineralogie, Universite de Geneve 12, rue des Maraichers CH-1211 Geneve 4, Switzerland |  | | Book | | of the abbreviations used in the book C s L D DE H CL F M LU - R X XX - color streak luster diaphaneity...to black in air; S - red; L - metallic; D opaque; DE- 8.9; H - 2.5 - 3; CL - none; F - hackly; M - cubic...Crystals up to 140mm (5½ in) long occurred in the Ray mine and in Bisbee, Arizona, USA. Very fine spinel-law...black; S - silver-white; L - metallic; D - opaque; DE- 10,5; H - 2.5 - 3; CL - none; F - hackly; M - cubic...come also from the San Genaro Mine in Huancavelica and Uchucchaqua, Peru. New finds of silver wires, up |  | | Book | | MALAWI Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely...Springfield show ( 1995: 582). Madawaska [Faraday] mine near Bow Lake, Hastings County. Some of the world's...property of, the old Madawaska uranium mine (called the Faraday mine before 1964). The mineral assemblage...Cowgill, 1977). LATINAMERICA BRAZIL Jacupiranga mine, Sao Paulo. Among the crystallized minerals in the...Oblast. Alpine-type clefts in the famous Dodo quartz mine commonly contain ilmenite, occurring as lustrous |
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