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Cajamarca Peru

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Journal Article
Journal: Economic Geology
Published: 01 November 2010
Economic Geology (2010) 105 (7): 1173-1190.
...), reporting on his expedition of 1859 in northern Peru; he described historical native workings at what is now the Carachugo deposit: “El camino de Cajamarca á Yanacocha tiene la dirección casi a sur á norte…Estas minas se conocen con el nombre de Carachugo, y están en un roca cuarzosa porosa, sus socavones...
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Journal Article
Journal: GSA Bulletin
Published: 01 July 2009
GSA Bulletin (2009) 121 (7-8): 1172-1178.
...Deborah Woodcock; Herbert Meyer; Nelia Dunbar; William McIntosh; Isabel Prado; Guillermo Morales Abstract Volcanic and volcaniclastic rocks in the northern Peruvian Andes (central Cajamarca, 79°10′W, 6°35′S) contain a diverse assemblage of permineralized woods known as El Bosque Petrificado Piedra...
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Journal Article
Journal: Economic Geology
Published: 01 June 1955
Economic Geology (1955) 50 (4): 399-419.
...Frank S. Simons Abstract The lead-zinc ores of the Chilete district, Cajamarca, Peru, occur in steeply dipping veins formed by fissure and breccia filling, and to some extent by replacement processes, in altered andesitic volcanic rocks which overlie Cretaceous formations with angular unconformity...
Series: Geological Society, London, Engineering Geology Special Publications
Published: 01 January 2005
DOI: 10.5382/SP.11.15
EISBN: 9781629490359
... to 10 Ma ( Noble and McKee, 1999 ; Noble et al., 2004 ). Fig. 1. Generalized geologic map of the Cajamarca region, northern Peru, showing location of mineral deposits. The historic provincial capital of Cajamarca is located in northern Peru, about 570 km north-northwest of Lima and 120...
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Journal Article
Journal: Economic Geology
Published: 01 November 2010
Economic Geology (2010) 105 (7): 1191-1241.
... in the the structural corridor defined by the Cajamarca and La Zanja-Tantahuatay lineaments (gray dots) and (2) Cenozoic volcanic formations (black dots) are keyed by number 1 through 13 to sources in App. Table A1 . Tectonic episodes of the Andean Cycle in Peru ( Cobbing et al., 1981 ; Megard, 1984 ) began...
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Journal Article
Published: 01 January 1981
Bulletin de la Société Géologique de France (1981) S7-XXIII (6): 697-705.
... rocks Cretaceous limestone marl Mesozoic paleogeography Peru plate tectonics red beds sandstone sedimentary rocks South America stratigraphy subduction zones tectonic wedges tectonophysics ...
Series: Special Publications of the Society of Economic Geologists
Published: 01 January 2010
DOI: 10.5382/SP.15.1.03
EISBN: 9781629490397
... to as the Cajamarca-Valdivia terrane ( Cediel et al., 2003 ). The highly fragmented, structurally telescoped remains of this unit can be traced throughout the northern Andean block, from northern Peru to northern Colombia. In Colombia, the Cajamarca-Valdivia terrane is best defined as a parautochthonous accretionary...
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Series: Geological Society, London, Engineering Geology Special Publications
Published: 01 January 2005
DOI: 10.5382/SP.11.16
EISBN: 9781629490359
... L a Q uinua is located in the western portion of the Yanacocha gold district in the Cajamarca province of northern Peru ( Fig. 1 ). The deposit lies along the Andean continental divide at an elevation of 3,700 m above sea level, 18 km north of the city of Cajamarca, and 600 km north of Lima...
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Journal Article
Journal: SEG Newsletter
Published: 01 April 2017
SEG Newsletter (2017) (109): 46.
... of the Society of Economic Geologists is offering a professional-level Mapping Course at Newmont Mining Corporation’s Yanacocha mine near Cajamarca, Perú. Detailed (1:500) mapping of alteration-mineralization in a high-sulfidation epithermal environment is combined with applied geochemistry to explain...
FIGURES
Series: GSA Special Papers
Published: 01 July 2010
DOI: 10.1130/2010.2467.xiii
... of Perú. He studied the Conquest, the Spanish Chronicles, and he literally walked in the footsteps of the Spaniards from their arrival in Perú onward to Cajamarca. He followed their route, identified places where they traveled, and even corrected some geographic information. We spoke many times about...
Series: Geological Society, London, Engineering Geology Special Publications
Published: 01 January 2005
DOI: 10.5382/SP.11.12
EISBN: 9781629490359
... with a complex geochemical signature that includes Ag, Bi, Sb, Te, Ba, W, and Pb. They are particularly abundant in the Cerro de Pasco and Cajamarca regions of Peru, which host numerous Miocene deposits of this type ( Vidal and Cedillo, 1988 ). Figure 8 shows the metal content contours for Cu and Au...
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Journal Article
Published: 01 May 2005
Journal of Paleontology (2005) 79 (3): 611-618.
... of the Baños del Inca and Tamberia Oeste localities. Details extracted from the 1/250,000 Topographic Map of Cajamarca (SB 17–16) of the National Geographic Institut (IGN) of Peru Examination of representatives of Neodeshayesites from Texas and Arizona described by Scott (1940) , Stoyanow (1949...
FIGURES
Journal Article
Published: 01 September 1984
Journal of the Geological Society (1984) 141 (5): 893-900.
.... Geologia de los cuadrangulos de Cajamarca, San Marcos y Cajamba Bol. Inst. Geol. Min. Metal.Lima 1980 31 Rodriguez A. Chalco A. Cuenca Huallaga, resena geológica y posibilidades petroliferas Bol. Soc. geol. Perú 1975 45 187 212 Romani M. Géologie de la Région Miniére...
Journal Article
Journal: Geophysics
Published: 01 January 2002
Geophysics (2002) 67 (3): 684-689.
...Mark Goldie Abstract Significant self-potential (SP) anomalies characterize the large silica bodies associated with high-sulfidation oxide gold deposits in the Yanacocha district, Peru. Large SP effects and high apparent resistivities have been observed that coincide with areas of intense...
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Journal Article
Journal: Economic Geology
Published: 01 August 2004
Economic Geology (2004) 99 (5): 887-916.
...David A. Love; Alan H. Clark; J. Keith Glover Abstract Antamina, located at latitude 9° 32' S and longitude 77° 03' W in the Ancash Department of north-central Peru, is the largest known Cu-Zn skarn ore deposit. It incorporates a mineral reserve of 561 Mt, which has an average grade of 1.24 percent...
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Journal Article
Journal: AAPG Bulletin
Published: 01 January 1963
AAPG Bulletin (1963) 47 (1): 1-34.
...John J. Wilson ABSTRACT Cretaceous facies in Peru commonly fall into a lower, mainly clastic, group of formations and an upper group consisting of limestones, dolomites and shales. The clastic formations are largely non-marine. Over much of the country they range in age from Valanginian to Late...
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Journal Article
Journal: Economic Geology
Published: 01 January 2004
Economic Geology (2004) 99 (1): 73-112.
...Yves Haeberlin; Robert Moritz; Lluís Fontboté; Michael Cosca Abstract The Pataz province forms the central part of a > 160-km-long orogenic gold belt extending along the Eastern Andean Cordillera in northern Peru and has produced a total of 6 million ounces (Moz) gold from vein-type deposits...
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Journal Article
Journal: Economic Geology
Published: 01 May 2018
Economic Geology (2018) 113 (3): 553-578.
... Cauca metallogenic belt. The deposit contains more than 800 t (22.37 Moz) Au at grades up to 0.8 g/t and is hosted by a composite porphyry stock of dioritic to tonalitic composition, which was emplaced into Triassic-Cretaceous schists of the Cajamarca Complex in the late Miocene (~8 Ma). The country...
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Journal Article
Journal: Geology
Published: 01 January 2002
Geology (2002) 30 (1): 75-78.
.... 95 p. 1108 – 1117 . Mitouard , P. , Laj , C. , Mourier , T. , and Kissel , C. , 1992 , Paleomagnetic study of an arcuate fold belt developed on a marginal orogen: The Cajamarca deflection, northern Peru : Earth and Planetary Science Letters , v. 112 p. 41 – 52...
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Image
Simplified geology map of northern <b>Peru</b> surrounding Yanacocha and Minas Con...
Published: 01 November 2010
Fig. 2 Simplified geology map of northern Peru surrounding Yanacocha and Minas Congas, modified after Cobbing et al. (1981) , with geology from Longo (2005) . Locations and ages of (1) ores from mineral districts in the the structural corridor defined by the Cajamarca and La Zanja-Tantahuatay