 | | Journal (article/letter/editorial) | | GEOLOGY AND MAJOR ORE DEPOSITS OF CENTRAL ULRICH PERU PETERSEN CONTENTS PAGE Abstract .......................................................... Yauricocha ...............................................expanded' to Morococha, Casapalca,San Cristobal and Yauricocha. Exploitation of thesemetal minesled to the formationof...observations and ideas. MAJOR ORE DEPOSITS OF CENTRAL PERU 409 General summariesare presentedby McLaughlin...ßO0•A BASILIA YAURIOOCHA LOCATION CENTRAL 50 MAP PERU 0 50 •ILOM[T[RS ß Fro. 1. Locationmap. GASTROVlRREYNA |  | | Journal (article/letter/editorial) | | YauricochaDistrict, Central Peru ANGEL ALVAREZ A. Departamento de Geologfa, CENTROMIN-PERU S.A.,La Oroya,Perd...thereplacement oresandof pyrophyllite, diaspore, alunite,anhydrite,andhigh-temperature (•400øC), cornpositionally...thatofJulcani andotherenargite-tetrahedrite districtsin Peru, with the differencesin ore typesat leastin part...reflectingthe carbonate composition of the hostrockat Yauricocha. The elementalchemistry of the PurlsimaConcepci6n...0361-0128/88/856/1368-11 $2.50 1368 PUR•$IMACONCEPCIC•N DEPOSIT,PERU 13 6 9 bonate rocks and calcareous siltstones |  | | Journal (article/letter/editorial) | | Zn-Pb-Ag-Cu-Bi Mineralization at Cerro de Pasco, Peru* REGINA BAUMGARTNER†,** LLUÍS FONTBOTÉ, Department...Pasco Cordilleran base metal deposit in central Peru is located on the eastern margin of a middle Miocene...mineral zoning, from a core of enargite-pyrite ± alunite with traces of Au, through an intermediate zone...orebodies with a core of famatinite-pyrite and alunite, an intermediate zone with tetrahedrite-pyrite...orebodies (δ18O = 5.3–11.5‰, δD = –82 to –114‰) and on alunite from the Venencocha and Santa Rosa areas (δ18O |  | | Journal (article/letter/editorial) | | mineralization in the Colquijirca mining district, central Peru Received: 28 August 2002 / Accepted: 18 February...Springer-Verlag 2003 Abstract At Colquijirca, central Peru, a predominantly dacitic Miocene diatreme-dome complex...are zoned outward from pyrite–enargite–quartz–alunite to pyrite– chalcopyrite–dickite–kaolinite to p...pyrite–sphalerite–galena–kaolinite–siderite. Alunite samples related to the Au–(Ag) epithermal ores have...R. Bendezú Sociedad Minera El Brocal S. A., Lima, Peru interval between the younger mineralization |  | | Journal (article/letter/editorial) | | Mineralization in the Colquijirca District, Central Peru: Deposit-Scale Mineralogical Patterns RONNER BENDEZÚ†...2 AND LLUÍS FONTBOTÉ2 1Bilbao 2Sciences 295, Lima, Peru de la Terre et de l’environnement, Université...Genève, Switzerland Abstract At Colquijirca, central Peru, a Miocene diatreme-dome complex is associated in...ferberite, gold-silver tellurides, bismuthinite, gold, alunite, zunyite, kaolinite, dickite, smectite, illite...(2) enargite ± (pyrite, quartz, bismuthinite, alunite, dickite, kaolinite, smectite, illite, sericite); |  | | Journal (article/letter/editorial) | | Mineralization in the Colquijirca District, Central Peru: Deposit-Scale Mineralogical Patterns RONNER BENDEZÚ†...2 AND LLUÍS FONTBOTÉ2 1Bilbao 2Sciences 295, Lima, Peru de la Terre et de l’environnement, Université...Genève, Switzerland Abstract At Colquijirca, central Peru, a Miocene diatreme-dome complex is associated in...ferberite, gold-silver tellurides, bismuthinite, gold, alunite, zunyite, kaolinite, dickite, smectite, illite...(2) enargite ± (pyrite, quartz, bismuthinite, alunite, dickite, kaolinite, smectite, illite, sericite); |  | | Journal (article/letter/editorial) | | types of ores are recognized in the Huanzala mine, Peru. Zinc and lead ore of adularia-sericite type, is...Genesis of the Huanzala Deposits, Peru In the Huanzala deposits, Peru, zinc and lead deposits coexist with...follows. The mine is situated in central Peru, about 250 km north of Lima. This region is underlain by Lower...kaolinite-sericite-orthoclase boundaries, Helgeson (1969); alunite-kaolinite boundary, Stoffregen (1987), Muntean...marcasite. The gangue minerals are quartz, barite, alunite, kaolinite, diaspore and native sulfur. The alteration |  | | Journal (article/letter/editorial) | | such as Quiruvilca and Julcani, suggest a Pasco,Peru, hasproducedmorethan 66 millionmettemporal decrease...Cu-richcore(enargite-pyrite (e.g., Butte, Main Tintic, and Yauricocha)the paraor bornite-pyrite), to a Zn-rich intermediate...metal lodes such as Butte or Moro-t- pyrite _ alunite) in quartzofeldspathic wall rock, andby silica-t-pyrite...(SalesandMeyer, 1949). CentralCity andQuiruvilca Yauricocha,where zoningof progradingmineralsis alsohavea...TABLE 3. Spatially associated porphyry Deposit Yauricocha, Age Aerial Mineralizing intrusive Late Miocene |  | | Journal (article/letter/editorial) | | OF THE SILVER COLQUIJIRCA, H. DEPOSIT AT PERU. E. MCKINSTRY. DR. WA•.r)V. MARL•N•)GRV. N • ...Colquijirca Silver mine in the Andes of Central Peru.- The presentarticle is the result of five monthsof...Colquijirca, Peru. 331-346, I935. 618 Ecos. GEo•.., vol. 30, pp. SILVER DEPOSIT .4T COLQUHIRC.4, PERU. 619...abundant secondary quartz and probably hydrothermal alunite. The ferromagnesiansare 'altered to rutile and...the Peruvian Cordillera, Departments of Junin and Lima. Geol. Soc. Amer. Bull. 35, P. 6•, •924. a Ahlfeld |  | | Journal (issue) | | TSKnerals of i'eru ! Indian miner, Cerro de Pasco, Peru, 1869 (Simonin, 1869). J3E(mes and J3E(merals... 7 cm, from the Huanzala mine, Dos de Mayo Province, Peru. Marty Zinn collection; Jeff Scovil photo................................ 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 r o u................. Pasto Bueno district, Pallasca province, department of Ancash R a u r a -H u a n z a l |  | | Journal (article/letter/editorial) | | Environ.merit of ()re Depositionat Cerro1)ePasco,Peru M•mco T. EINAUDI Abstract The massivesulfidereplacementbodyin...metallogeniclink betweenthe CuZn-Pb-Ag provinceof central Peru and the Sn-W-Ag-Bi provinceof Bolivia. The seco...sulfidelode deposits,suchas Yauricochaand Morococha,Peru; Magma and Bisbee,Arizona; and Butte, Montana. High...(2) high-sulfur sulfide vein fillings of central Peru at an elevation of 4,300 m. The associated with...geosynclinal sedimentary rocks of Mesozoic age. and alunite. The physiochemicalevolution of the This central |  | | Journal (article/letter/editorial) | | (Sillitoe and Bonham, 1990; Garwin et al., 1995); and Peru (Alvarez-A. and Noble, 1988), the majority of deposits...vein . . . . baritestibnne calcite iron oxides alunite jaro61te As, Sb oxides Fig. 5. Generalizedpa...associated with the main gold-depositing event. Alunite, jarosite and a variety of other oxide minerals...15 ~ Primary Sulfides [ ] % 20 25 30 CDT Alunite/Jarosite • Barite • Fig. 7. Sulfur isotope data...are clearly related to postore processes (e.g., alunite, Arehart et al., 1992) and have inherited their |  | Arehart, Greg B., Foland, K. A., Naeser, C. W., Kesler, Stephen E. (1993) 40 Ar/ 39 Ar, K/Ar, and fission track geochronology of sediment-hosted disseminated gold deposits at Post-Betze, Carlin Trend, northeastern Nevada. Economic Geology, 88 (3) 622-646 doi:10.2113/gsecongeo.88.3.622 | Journal (article/letter/editorial) | | plete resettingof the sericiteby regionalmetamor- Alunite phism during the Triassic accretion.of Sonomia...the unalteredsedimentaryrocksam- indicatethat alunite formed significantlylater than ple describedabove...selectedto provide analyses from thesealunites,and from alunite from numerous rangingfromhighrelativeproportions...hasbeenused.Lettersrepresentthephasedated:A = alunite,B = biotite,F = K feldspar,S = sericite.With the...1986;LevyandChristie-Blick, 1989).We sugthosefor alunite,andfor biotiteandfeldspar,are al- gest,then,thatextensional |  | Arehart, G. B., Chakurian, A. M., Tretbar, D. R., Christensen, J. N., McInnes, B. A., Donelick, R. A. (2003) Evaluation of Radioisotope Dating of Carlin-Type Deposits in the Great Basin,Western North America, and Implications for Deposit Genesis. Economic Geology, 98 (2) 235-248 doi:10.2113/gsecongeo.98.2.235 | Journal (article/letter/editorial) | | 1999; Asadi et al., 1999), Africa (Hill, 1997), and Peru (Alvarez-A. and Noble, 1988). Most Carlin-type deposits...temporally with the main Au-depositing event. Alunite, jarosite, crandallite [CaAl3(PO4)2(OH)5.H2O] and...galk barite stibnite, fluorite calcite Fe oxides alunite jarosite As, Sb oxides ? Hydrothermal ? Weathering...by Ilchik (1990), on the basis of K-Ar dates on alunite at Alligator Ridge. Unfortunately, none of these...these data fall into two major groups: ages of alunite minerals, and biotite, feldspar, and whole-rock |  | | Journal (article/letter/editorial) | | occur in andesites that show argillic alteration±alunite (Kalaki Mountain, Ayoubansar, Arabshah, Touzlar)...F–apatite. The APS minerals are isomorphous with alunite and have the general formula RAl3(PO4)1−x(SO4)1−x(OH)6(H2O)x...strengite, melanterite, scorodite, kaolinite, alunite and gypsum are associated with mansfieldite. Irregular...form part of a hydrothermal Cu– Au and base metal province that extends along the Urumieh– Dokhtar volcanic...areas of altered Miocene volcanic rocks (kaolinite–alunite, GSI 1999b) 2 km east of the Agdarreh deposit and |  | | Report (issue) | | 1971, p. 215-225 The Bolivian tin-silver province: Econ. Geol., v. 66, ABSTRACT These bibliographies... in Canada and the United States, by state or province. The state in which each Mexican deposit occurs...BIBLIOGRAPHIES OF MINERAL DEPOSITS just over the province boundary in Saskatchewan. The Coronation Mine... no. 1, p. 22-41 Haliburton-Bancroft area, Province of Ontario: 1:126,720 1957b, R., 1959, Rare...Canada Paper the Grenville 59-10, 41 p. sub-province, Ontario and Que- Notes The Bancroft-Haliburton |  | | Journal (article/letter/editorial) | | alteration grades outward to kaolinite-bearing rock. Alunite was reported to occur in strongly altered rock...and Sargent, 1965; Quade et al., 1984), but no alunite was found by the authors during petrographic and...include kaolinite, illite, sericite, jarosite and alunite, and with very little introduction or removal of...gold mineralization is present with quartz, opal, alunite and pyrite along the Ftuorspar Canyon fault (Jackson...disseminated cinnabar with fluorite, calcite, opal and alunite at the Telluride mine (Tingley, 1984). The Mother |  | | Journal (article/letter/editorial) | | analysis but referred to as idaite Lewis (1996) Yauricocha, Peru Porphyryrelated CuAu-Pb-Zn limestone replacement...as idaite Akinci (1980) Abbreviations: al = alunite, bn = bornite, chl = chlorite, cv = covellite,...y +p bn cp late Main C 2 4 pH neutral pH Alunite Kspar a(K +)=0 .5 0.01 6 py mt cp bn+mt 8...T=350oC P=200bar n de hm py 0.1 -27 po mt 8 ALUNITE hm nk - H2 S HS cv + h nk m bnss + S(l) ...minerales: Boletin de la Sociedad Geologica del Peru, v. 83, p. 21–33. Welsh, J.E., and James, A.H., |  | | Journal (article/letter/editorial) | | Regional geology and mayor ore deposits of Central Peru. Econ. Geol., 60, 8, 407~476, Lancaster 1965. RADELLI...broad sense that the expression "metallogenic province" is used in this paper. When all deposits of various... In this regard, the expression "metallogenie province" is used in a rather restricted sense. Even so...influence of political and geographic factors. Thus, Peru, Bolivia and Chile enjoy a long established mining...L. ARISTARAIN,J.C.M. TURNER and J. C. FERNANDEZ LIMA for Argentina, G. TOLBEi=tT ~or Brazil, D. H. MGLAuGHLIN |  | | Book | | Newmont Peru Limited Gerente de Exploraciones Av. Jose Galvez Barrenechea 218, Urb. Corpac Lima-San Isidro...Isidro, Peru Prof. Dr. ESTEBAN CEDILW Facultad de Minas, Metalurgia y Geologia, Universidad de Guanajuato...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...January 1990 G. C. AMSTUTZ, Heidelberg M. CARDOZO, Lima E. CEDILLO, Guanajuato L. FONTBOTE, Heidelberg/Geneve |  | | Book | | average 3.5 ppb gold with little variation in anyone province (3.7, 3.8 and 3.1 ppb respectively). In comparison...mafic syenite; Montana, US 2.85 1.9 Trans-Pecos province; syenogabbro, syenite, granite; Texas, US 0.74...intrusives, W. Australia 2.2 2.85 50 Superior Province craton, Canada Abitibi subprovince, Ontario localities...2 1.1 0.3-7.8 Tonalite, granodiorite Superior Province craton, Canada W.Wabigoon subprovince; Kakagi...Czechoslovakia 4.6 Tuffaceous siltstone; Superior Province (Archaean), Canada 1.1 1.95 Shales, argillite |  | | Report (volume) | | southernmost part of the Altiplano, in Sud Lfpez province, and (4) first descriptions of many saline, alkaline...began to explore what was known to them as Upper Peru in the 16th century, they discovered that the Quechua...mountain chain that helps define the borders with Peru and Chile and reaches altitudes of higher than 6...and the 2-Ga-old Proterozoic Arequipa massif of Peru-Chile to the west and southwest (Cobbing, 1985)...the Cordilleras Oriental and Occidental, Bolivia, Peru, Chile, and Argentina. Shaded area denotes the Central |  | | Journal (issue) | | date? “¥ ~Saal ee ; a Lee , Pale ile —e. Lima ...gives cables longer life, and lowers maintenance. Lima quality pays These are only a few of the many quality...quality features that pay off for you with a Lima. As hundreds of mining operators have found, Lima’s...mean greater tonnage and higher profit. There is a Lima type and size for every mining operation! Shovels...nearest Lima distributor on powered-for-profit Limas— or write to us. for big jobs The Lima Type 2400 |  | Emsbo, P., Hofstra, A. H., Lauha, E. A., Griffin, G. L., Hutchinson, R. W. (2003) Origin of High-Grade Gold Ore, Source of Ore Fluid Components, and Genesis of the Meikle and Neighboring Carlin-Type Deposits, Northern Carlin Trend, Nevada. Economic Geology, 98 (6) 1069-1105 doi:10.2113/gsecongeo.98.6.1069 | Journal (article/letter/editorial) | | Metamorphic Water Magmatic Water ric Wa Supergene Alunite, NV -100 Lin 25° Supergene kaolinite ite ...intercept on the δD age curve (40–35 Ma). Supergene alunite as old as 26 to 30 Ma (Arehart et al, 1992; Heitt...δDH2O values inferred from supergene kaolinite and alunite isotopic compositions (Arehart et al., 1992) constrain...mineralization at Purisima Concepcion, Yauricocha district, central Peru: ECONOMIC GEOLOGY, v. 83, p. 1368–1378...A., 1992, Evidence for the supergene origin of alunite in sediment-hosted micron gold deposits, Nevada: |  | | Book | | .... . 2.2.2 The Casapalca Ag-Pb-Zn-Cu Deposit, Peru . 84 88 2.3 Epithermal Vein Deposits ................... . 91 2.3.1 The lulcani Deposit, Peru ............... . 2.3.2 Discussion and Suggestions for...conditions are typified by the Andean arc system of Peru and Chile, although in detail the dominant compression...and Their Associated Metal Deposits diaspore, alunite, amorphous material, and local corundum are strongly...important massive pyrite-enargite bodies within alunite-chalcedonic silica zones, occurs at high levels |
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