 | Clark, Alan H., Farrar, Edward, Kontak, Daniel J., Langridge, Robert J., Arenas F., Mario J., France, Lynne J., McBride, Sandra L., Woodman, Priscilla L., Wasteneys, Hardolph A., Sandeman, Hamish A., Archibald, Douglas A. (1990) Geologic and geochronologic constraints on the metallogenic evolution of the Andes of southeastern Peru. Economic Geology, 85 (7) 1520-1583 doi:10.2113/gsecongeo.85.7.1520 | Journal (article/letter/editorial) | | MetallogenicEvolution of the Andes of Southeastern Peru ALANH. CLARK,EDWARDFARlIAR,DANIELJ. KONTAK,*ROBERT... GedlogoConsultor,Caminosdel Inca 698, Lima 33, Peru LYNNEJ. FRANCE,**SANDRA L. MCBRIDE,PRISCILLA L...post-Paleozoic metallogenicevolutionof southeastern Peru is clarifiedon the basisof the stratigraphic an...Arc in the interval 52.15 (Cuajone)to 57.1 Ma (Toquepala)asthe terminalstagein the evolutionof the subaerial...contiguous centralAndeantransects, southeastern Peru differsmarkedlyfrom other areasof the countryin |  | Simmons, A. T., Tosdal, R. M., Wooden, J. L., Mattos, R., Concha, O., McCracken, S., Beale, T. (2013) Punctuated Magmatism Associated with Porphyry Cu-Mo Formation in the Paleocene to Eocene of Southern Peru. Economic Geology, 108 (4) 625-639 doi:10.2113/econgeo.108.4.625 | Journal (article/letter/editorial) | | Formation in the Paleocene to Eocene of Southern Peru* ADAM T. SIMMONS,1,** RICHARD M. TOSDAL,1,† JOSEPH...California 94305 Peru Copper Corporation, Casilla 303, Toquepala, Peru 4 Southern Peru Copper Corporation...Cuajone, Peru 5 AngloAmerican Exploration, Lima, Peru Abstract The Paleocene to Eocene southern Peru porphyry...porphyry Cu-Mo deposits at Cuajone, Quellaveco, and Toquepala. Ten new zircon U-Pb Sensitive High Resolution...MicroprobeReverse Geometry (SHRIMP-RG) ages for Cuajone and Toquepala, together with published ages for Quellaveco, |  | Quang, C. X., Clark, A. H., W. Lee, J. K., Hawkes, N. (2005) Response of Supergene Processes to Episodic Cenozoic Uplift, PedimentErosion, and Ignimbrite Eruption in the Porphyry Copper Province of Southern Peru. Economic Geology, 100 (1) 87-114 doi:10.2113/100.1.0087 | Journal (article/letter/editorial) | | and Ignimbrite Eruption in the Porphyry Copper Province of Southern Perú CHAN X. QUANG, ALAN H. CLARK...area surrounding the Cuajone, Quellaveco, and Toquepala deposits (ca. 17° S) is revised and extended northwestward...were probably active in the Cuajone-Quellaveco-Toquepala district. Slow erosion and the accumulation of...for much of the upgrading of the Cuajone and Toquepala deposits and thr Quellaveco prospect, which are...(54.5 Ma; Minera Quellaveco S.A., unpub. data)-Toquepala (55.0–55.5 Ma; Zweng and Clark, 1995; Clark, 2003) |  | | Journal (article/letter/editorial) | | 1677-1685 THE SLUMP BRECCIASOF THE TOQUEPALA PORPHYRYCU(-MO) DEPOSIT, PERU: IMPLICATIONS FOR FRAGMENT ROUNDING...typesof oredeposits.In porphyrycoppercenterssuch Peru are interpretedasevidencefor the brecciasmayhosta...fiuidizationprocessesin Hydrothermal Brecciasat Toquepala, Peru the emplacementof the fragmentalmaterials....n a stockworkin which face geologicmappingat Toquepala(Richardet al., 1951).Two outcrops of"slumpbreccia... Stevensonand Damiani, 1968, who, however, pro- Peru Copper Corporation(SPCC) during almost30 poseda |  | Quang, C. X., Clark, A. H., Lee, J. K. W., Guillen B., J. (2003) 40Ar-39Ar AGES OF HYPOGENE AND SUPERGENE MINERALIZATION IN THE CERRO VERDE-SANTA ROSA PORPHYRY Cu-Mo CLUSTER, AREQUIPA, PERU. Economic Geology, 98 (8) 1683-1696 doi:10.2113/gsecongeo.98.8.1683 | Journal (article/letter/editorial) | | VERDE-SANTA ROSA PORPHYRY Cu-Mo CLUSTER, AREQUIPA, PERU CHAN X. QUANG,† ALAN H. CLARK, JAMES K.W. LEE, Department...Queen’s University, Kingston, ON K7L 3N6, Canada AND JORGE GUILLÉN B. Sociedad Minera Cerro Verde S.A., Asiento...Avenida Alfonso Ugarte 304, Casilla 299, Arequipa, Peru Abstract The contiguous Cerro Verde and Santa Rosa...American plate boundary for at least 800 km in southern Peru and northern Chile (Fig. 1a). Centered at latitude...first such data for a porphyry deposit in southern Peru. Geologic Framework Host rocks and structural relationships |  | | Book | | P')76m Purser, W I' C 198T- , • Metal-mining in Peru, put and present 1by1 W. F . C. Purser. New York...NIOUro.. Peru. . l. Tltle- TN~9.P8T. . -· ' • 18,50 '18-182'81 Metal-Mining in Peru, Past and...social, and political development. Metal-Mining in Peru, Past and Present -a :'O > m C) m ::D ,, Ch...importance of the mines of Peru. Part~ of the book sketches the background of Peru and its mining history...into five chapters for the five mining areas of Peru. Part III is concerned with the economic significance |  | | Journal (article/letter/editorial) | | be filled with sulfides,oxides,or quartz and tourmaline. To someextentthe looseningand fragmentationof...more advancedand derangedvariety is presentat Toquepala,Peru, where it is known as "ore breccia." Elsewhere...Such a mechanismappearsto have beeninvolvedat Toquepala,Peru, wherethe resultingbreccia(the "pebble-breccia")...siliceous fluids, forming the breccia. At Toquepala,Peru late-magmatic fluidsappearto havepenetrated...suspended in a matrix of finelygranularquartzand tourmaline(Fig. 7). This brecciais confinedto well-definedcarrot-shaped |  | | Book | | is dominant in most porphyry copper provinces. Tourmaline and breccia éolumns ported out of the potassic...Potteriics, Chile . 4 ¢ Section Through Arequipa, Peru 5 ¢ Section Through Potrerillos, Chile . ; 6...Rego Chile : 7 ¢ Michiquillay Regional Geology (Peru) . 8 © Structure at Chuquicamata, Chile . 9 ¢ Surface...Morococha, Peru, including Toro Mocho Area . 13 © Structural Outline of Toquepala, Peru . ‘ 14 ¢...¢ Detailed Surface Geologic Map of Toquepala . 15 16 17 18 19 ¢ © ¢ ¢ ¢ Index Map (Appalachian Orogen) |  | | Journal (article/letter/editorial) | | Earth. In 2017, the Central Andes accounted for the mine production of around 39% of the world’s copper,...former two occur from Central Chile to southern Peru, whereas the youngest and easternmost extend from...central Chile/Argentina to Bolivia and to northern Peru and beyond. Table 1 summarizes the characteristics...(Chile is the world’s leading copper producer, with Peru second). 1 Department of Earth Sciences, University...cp Magmatic– hydrothermal breccia cemented by tourmaline and chrysocolla that is derived from oxidation |  | | Journal (article/letter/editorial) | | ..... Early tourmaline stage .......................................... Late tourmaline stage .........of the orebody and its environs. Bedrocknear the mine consistsmostly of extensivevolcanic flows and i...e. The most prominent structural feature in the mine area is the Braden Pipe•a circular, downward-tapering...and fourth stagesare characterized by abundant tourmaline with minor sulfides. The fifth and final stage...porphyry-type deposits. INTRODUCTION THE E1 Teniente Mine of the Braden Copper Company is on the western flank |  | | Journal (article/letter/editorial) | | chalcocite cp chalcopyrite chl chlorite tm tourmaline Penn Pennsylvanian tn tennantite trem tremolite... ..,.[.o..•..a.•t..e....U..W.. ............. Toquepala late K(?) Rhy,And, daciteporphyry 59 nonerecognized...teds & metasediments Qmstock 65 NI= & NWfits Peru Dio irregularstock elongate N-S elongate irregular..... 30 , .................................. Toquepala oval, elongateNW original: brecciapipe 70 ...Arizona a Iteration zone Toquepala mi nor; <• 1000 tacti te tacti te mont Peru Typical Porphyry Copper |  | | Journal (article/letter/editorial) | | separatesthe Colorado Plateau from the Basin and Range Province. The terrane is essentiallya complexof igneousand...to the northeastand the currentlyactive Iron King mine near Humboldt, about 15 miles to the east (Fig....GeologicalSurvey open file report on the Loma Prieta mine. ,4cknowled#ments.--Partof this paper is taken from...present as one large unit near the Boston-Arizona mine and as small xenolithsand roof pendantsthroughoutthe...St•l•e and Dip of • Strike •d FollatJon • • • Mine Graded •i(l• SCALE i• T • / t t ?/ /' /' |  | | Report (issue) | | commonly found in porphyry copper deposits are tourmaline, andalusite, and actinolite. Table 3 summarizes...copper-bearing mineral assemblages at the Lakeshore mine in Arizona, as follows: chalcocite zone, brochantite...solutions (Hartley and Rice, 2005). At the Lakeshore mine in Arizona, Cook (1988) found chrysocolla mineralization...underground or open-pit mining methods may be used to mine the skarn deposits. Sulfide ores are generally crushed...extract copper (Lynch and others, 1994). Volume of Mine Waste and Tailings Due to the low percentages of |  | | Journal (article/letter/editorial) | | 150 X 150 >600 Angularto sub- Absent rounded Peru San Pedro de 10 to >50% rounded Granodiorite...Felsite stock(?) i Mr, 1.6% Cu; alteration (t = tourmaline) Principal hypogene metallicminerals (in order...Chalcopyrite,pyrite, scheelite Quartz, epidote, tourmaline, chlorite, cal- N 20 ø W + N 70 ø E faults(...chalcopyrite, specularitc,scheelite Quartz, tourmaline, K-feld- Granodiorite pluton line Absent...Quartz, tourmaline, sericite, Not recognized Granodiorite pluton Mo calcite Tourmaline, quartz |  | | Journal (article/letter/editorial) | | the porphyrycopperdepositsof the Basin and Range Province,lead-zincdepositsin Yugoslavia,the Oruro silver-tin..."breccia". In describing the intrusivet2reccias at Toquepala,Peru, Richardand Courtright(44, p. 264) state:"restrictthe...conduits." Regarding the pebble-brecciabody at Toquepala, Richard and Court- right (44, p. 265) say: "It...metallizationsuggests a commonorigin." At the Plutus Mine in Tintic (15, p. 362) pebbledikes and bodiesof...principallychloriteand quartz at the bottomof the mine to serfcite and quartz in the upper levels. At the |  | Lehmann, B., Dietrich, A., Heinhorst, J., Métrich, N., Mosbah, M., Palacios, C., Schneider, H. -J., Wallianos, A., Webster, J., Winkelmann, L. (2000) Boron in the Bolivian tin belt. Mineralium Deposita, 35 (2) 223-232 doi:10.1007/s001260050017 | Journal (article/letter/editorial) | | August 1998 / Accepted: 19 August 1999 Abstract Tourmaline alteration and high boron contents are typical...magmatic-hydrothermal systems of the Bolivian tin province. The average boron content in melt inclusions...the Andean tin belt of Bolivia and southernmost Peru. Both metal provinces represent short episodes of...central Andes The Andean tin belt of Bolivia, SE Peru and northernmost Argentina (Fig. 1), usually known...invariably characterized by a prominent hydrothermal tourmaline component. Tourmalinization de®nes the high-temperature |  | | Journal (article/letter/editorial) | | porphyry copper of Cajamarca Department, northern Peru (see Fig. 1 for location) well fits the model for...for the intrusion. A section drawn normal to the Peru trench would reveal the speculative possibility...to permit a precise description at this time. Tourmaline rarely and erratically also occurs as a dissemination...occurs as occasional rosettes. Fracture filling by tourmaline is believed to be very rare, and therefore the...apart from the major tourmaline breccias of the Andean 266 orogen (e.g., Toquepala, Braden). Neither topaz |  | | Journal (article/letter/editorial) | | BRECCIA PIPE I Diamond drill hole. DACITEPORPHYRY Mine workings. QUARTZDIORITE Location of sections ...collected on a 40meter interval along all of the mine workings and diamond drill holes shown in this figure...volcanicsequence(Table 2), the intrusive rocks anddioritesat Toquepala,Peru (Richardand Court- showonly a slightdecrease...245 261 267 258 174: Sr ppm 475 445 475 This mine is locatedon a steep northwest-facing slopeat an...chlo- rite, and magnetitewith minor pyrite, tourmaline, and biotite. The distinction between biotitic |  | | Journal (article/letter/editorial) | | fragmentstogether,like the "daciteagglomerate"at Toquepala,Peru. Fracturing is commonin aphanites,commonlyas...some coppersulfides may be deposited, as at Toquepala, Peru. This marksthe mainperiodof pyritizationand...brecciation. Inside the limits of Toquepala orebody in Peru, quartz-tourmaline brecciafragmentsbesidesbeinghydrothermally |  | | Journal (article/letter/editorial) | | MARCH-APRIL, 1971 The Bolivian Tin-Silver No. 2 Province F. S. TURNEAURE Abstract The tin-silver provinceof...Chile and the belt of polymetallicores of central Peru are not readily explainedbut may be related to differencesin...determinations of interbeddedvol- THE BOLIVIAN TIN-SILVER PROVINCE • .•, 660 (j•.L__ok_ .e• ,. 'Tiffcoco.•:'L•...Turneaure, 1960). In this district andesitcflows are mine in Argentina,a distanceof 900 km; it reaches overlain...batholiths or in altered quartz, sericiteand tourmaline,are found in sedisedimentaryrocksof the contactzone |  | | Journal (article/letter/editorial) | | 45.6.1397 CHEMICAL SUBSTITUTIONS IN OXIDIZED TOURMALINE IN GRANITE-RELATED MINERALIZED HYDROTHERMAL SYSTEMS...Hadley, Massachusetts 01075, U.S.A. Abstract Tourmaline is the most common borosilicate mineral in granite-related...potassic. In the nonbrecciated hydrothermal systems, tourmaline occurs as subhedral to anhedral crystals in monzodiorite...porphyry is related to the Kışladağ caldera. Tourmaline is an abundant and widespread alteration-induced...porphyry system. Electron-microprobe analyses of the tourmaline crystals collected from both hydrothermal deposits | | Cunningham, Charles G., Zappettini, Eduardo O., Vivallo S., Waldo, Celada, Carlos Mario, Quispe, Jorge, Singer, Donald A., Briskey, Joseph A., Sutphin, David M., Gajardo M., Mariano, Diaz, Alejandro, Portigliati, Carlos, Berger, Vladimir I., Carrasco, Rodrigo, Schulz, Klaus J. (2008) Quantitative Mineral Resource Assessment of Copper, Molybdenum, Gold, and Silver in Undiscovered Porphyry Copper Deposits in the Andes Mountains of South America. Open-File Report 2008-1253. US Geological Survey doi:10.3133/ofr20081253 | Report (issue) | | geological surveys of Argentina, Chile, Colombia, Peru, and the United States Quantitative Mineral Resource...E.O., Vivallo S., Waldo, Celada, C.M., Quispe, Jorge, Singer, D.A., Briskey, J.A, Sutphin, D.M., Gajardo...Carrasco Peru INGEMMET Jorge Quispe Jointly publi shed by: Country Argentina Chile Colombia Peru United...(SEGEMAR), Chile (SERNAGEOMIN), Colombia, (INGEOMINAS), Peru (INGEMMET), and the United States (USGS) iii Probability...(SEGEMAR), Chile (SERNAGEOMIN), Colombia, (INGEOMINAS), Peru (INGEMMET), and the United States (USGS) v Figure |  | | Book | | Andes W. S. Pitcher 152 The Coastal Batholith of Peru MP. Atherton 168 Lead isotope systematics in...batholithic rocks of the Western and Coastal Cordilleras, Peru S.B. Mukasa and G.R. Tilton 180 Geochemical characteristics...evolution of the Cordillera Oriental, southeastern Peru D.J Kontak, A.M. Clark and E. Farrar 203 Geochemical...(Northern Volcanic Zone, NVZ: ea. 5°N-2°S), south Peru-north Chile (Central Volcanic Zone, CVZ: ea. 16-28°S)...the Andes may be divided into five segments. In Peru (ea. 2-15°S) and central Chile (ea. 27-33°S), the |  | | Journal (article/letter/editorial) | | 267-272. THE PORPHYRY COPPER DEPOSIT AT LA GRANJA, PERU MICHAEL O. SCHWARTZ Bundesanstalt fiir Geowissenschaften...of a hill of the Serviciode Geologiay Minerla of Peru in coop- quartz-richrocks,which reachesa heightof...advancedargillie zone containthe quently in the ore zone. Tourmaline is rare. The alhighest pyrite contentsof all...SelectedMinor Elementsin AlteredIgneousRocks,La Granja,Peru Surfaceexposures Propyliticalteration Biotite...have been depletedno more than 50 percentin the Peru to delineateindividual mineral deposits:Inst. Mining |  | | Journal (article/letter/editorial) | | the Giant, Bonanza San Rafael Lode Tin Deposit, Peru: Origin and Significance of Pervasive Alteration...Carabaya, northern Puno Department, southeastern Peru, yielded 38,182 t of fine tin in 2001 and, with...and granodiorite. Early, barren, stage I quartz-tourmaline veins and breccias were emplaced at 24.10 ± 0...melt, such as is represented by small bodies of tourmaline leucogranite exposed on the upper margin of the...lode tin deposit, i.e., San Rafael, southeastern Peru, by far the most important single hard-rock source |
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