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You searched for subject:(Ore deposits Peru). Showing records 1 – 3 of 3 total matches.

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Oregon State University

1. Schütfort, Erwin G. The genesis of the San Vicente lead zinc rhythmite deposit, Peru : a petrologic, geochemical, and sulfur isotope study.

Degree: MS, Geology, 2001, Oregon State University

The San Vicente zinc lead deposit is located in the Eastern Andes of Central Peru. The deposit is an epigenetic Mississippi Valley-type deposit based on stratigraphic, geologic, petrographic, and geochemical evidence. The dolomite host rocks of the Pucara Group are of Triassic-Jurassic age. The source of metals are red sandstones of the Late Permian Mitu Group. Sulfate was reduced to hydrogen sulfide at temperatures above 200°C under acidic conditions in the lower parts of the sedimentary basin. The paragenetic sequence of the mineral assemblage indicates replacement of original sedimentary dolomite-I by sphalerite. Organic matter is well preserved in the primary dolomite-I and partially overgrown by sulfides. Precipitation of sphalerite began prior to the deposition of galena, but both minerals occur contemporaneously in the rhythmite bands. Pyrite occurs is a minor component and precipitated during the last stages of sulfide mineralization. Open spaces between the rhythmite bands were filled with white, sparry dolomite-II. Advisors/Committee Members: Field, Cyrus W. (advisor), Dilles, John (committee member).

Subjects/Keywords: Ore deposits  – Peru

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APA (6th Edition):

Schütfort, E. G. (2001). The genesis of the San Vicente lead zinc rhythmite deposit, Peru : a petrologic, geochemical, and sulfur isotope study. (Masters Thesis). Oregon State University. Retrieved from http://hdl.handle.net/1957/32843

Chicago Manual of Style (16th Edition):

Schütfort, Erwin G. “The genesis of the San Vicente lead zinc rhythmite deposit, Peru : a petrologic, geochemical, and sulfur isotope study.” 2001. Masters Thesis, Oregon State University. Accessed September 15, 2019. http://hdl.handle.net/1957/32843.

MLA Handbook (7th Edition):

Schütfort, Erwin G. “The genesis of the San Vicente lead zinc rhythmite deposit, Peru : a petrologic, geochemical, and sulfur isotope study.” 2001. Web. 15 Sep 2019.

Vancouver:

Schütfort EG. The genesis of the San Vicente lead zinc rhythmite deposit, Peru : a petrologic, geochemical, and sulfur isotope study. [Internet] [Masters thesis]. Oregon State University; 2001. [cited 2019 Sep 15]. Available from: http://hdl.handle.net/1957/32843.

Council of Science Editors:

Schütfort EG. The genesis of the San Vicente lead zinc rhythmite deposit, Peru : a petrologic, geochemical, and sulfur isotope study. [Masters Thesis]. Oregon State University; 2001. Available from: http://hdl.handle.net/1957/32843


Montana Tech

2. Eduardo, Benjamin E. Mineralization and alteration of the Chisay zone Casapalca mining district Peru.

Degree: MS, 1986, Montana Tech

Subjects/Keywords: Mineralogy Peru.; Ore deposits Peru.

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APA (6th Edition):

Eduardo, B. E. (1986). Mineralization and alteration of the Chisay zone Casapalca mining district Peru. (Masters Thesis). Montana Tech. Retrieved from https://scholarworks.umt.edu/etd/8151

Chicago Manual of Style (16th Edition):

Eduardo, Benjamin E. “Mineralization and alteration of the Chisay zone Casapalca mining district Peru.” 1986. Masters Thesis, Montana Tech. Accessed September 15, 2019. https://scholarworks.umt.edu/etd/8151.

MLA Handbook (7th Edition):

Eduardo, Benjamin E. “Mineralization and alteration of the Chisay zone Casapalca mining district Peru.” 1986. Web. 15 Sep 2019.

Vancouver:

Eduardo BE. Mineralization and alteration of the Chisay zone Casapalca mining district Peru. [Internet] [Masters thesis]. Montana Tech; 1986. [cited 2019 Sep 15]. Available from: https://scholarworks.umt.edu/etd/8151.

Council of Science Editors:

Eduardo BE. Mineralization and alteration of the Chisay zone Casapalca mining district Peru. [Masters Thesis]. Montana Tech; 1986. Available from: https://scholarworks.umt.edu/etd/8151


University of Arizona

3. Ascencios C., Alejandro. The San Alberto Lead-Zinc Ore Body at Cerro de Pasco Mine, Cerro de Pasco, Peru .

Degree: 1966, University of Arizona

This thesis presents briefly the geology of the Cerro de Pasco district to acquaint the reader with the general geological setting of the district. A study of ore controls for a typical lead-zinc replacement body at the world famous Cerro de Pasco mine in Peru, 102 km northeast of Lima, was undertaken for purposes of better understanding. The particular body selected, the San Alberto Ore Body, occurs as a northeast extension of a main mass of pyrite, known as the "pyrite body", and is enclosed in Triassic- Jurassic limestone. Primary ore controls were determined to be a "Y"-like intersection formed by NS Longitudinal Faulting with a NE striking bedding fault. Resultant brecciation created the necessary permeable conditions whereby ore fluids were channeled away from the pyrite body into the limestone for ore emplacement. Three phases of hydrothermal rock alteration were identified as silicic alteration, chloritic alteration and an outer zone of bleaching and recrystallization. One peculiarity is found in the mineral composition of the silicic alteration, and a hypothesis is presented to explain it. The paragenetic sequence given for hypogene and gangue minerals was determined from the examination of more than 150 thin and polished sections.

Subjects/Keywords: Cerro de Pasco Peru; economic geology; Junin Peru; lead; lead-zinc; metals; mineral deposits genesis; Pasco Peru; Peru; South America; zinc; Geology  – Peru  – Cerro de Pasco; Ore deposits  – Peru

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6th Edition):

Ascencios C., A. (1966). The San Alberto Lead-Zinc Ore Body at Cerro de Pasco Mine, Cerro de Pasco, Peru . (Masters Thesis). University of Arizona. Retrieved from http://hdl.handle.net/10150/236075

Chicago Manual of Style (16th Edition):

Ascencios C., Alejandro. “The San Alberto Lead-Zinc Ore Body at Cerro de Pasco Mine, Cerro de Pasco, Peru .” 1966. Masters Thesis, University of Arizona. Accessed September 15, 2019. http://hdl.handle.net/10150/236075.

MLA Handbook (7th Edition):

Ascencios C., Alejandro. “The San Alberto Lead-Zinc Ore Body at Cerro de Pasco Mine, Cerro de Pasco, Peru .” 1966. Web. 15 Sep 2019.

Vancouver:

Ascencios C. A. The San Alberto Lead-Zinc Ore Body at Cerro de Pasco Mine, Cerro de Pasco, Peru . [Internet] [Masters thesis]. University of Arizona; 1966. [cited 2019 Sep 15]. Available from: http://hdl.handle.net/10150/236075.

Council of Science Editors:

Ascencios C. A. The San Alberto Lead-Zinc Ore Body at Cerro de Pasco Mine, Cerro de Pasco, Peru . [Masters Thesis]. University of Arizona; 1966. Available from: http://hdl.handle.net/10150/236075

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