Artículo

Salado Paz, N.; Petrinovic, I.; Do Campo, M.; Brod, J.A.; Nieto, F.; da Silva Souza, V.; Wemmer, K.; Payrola, P.; Ventura, R. "Mineralogy, structural control and age of the Incachule Sb epithermal veins, the Cerro Aguas Calientes collapse caldera, Central Puna" (2018) Journal of South American Earth Sciences. 82:239-260
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Abstract:

The Incachule Sb epithermal veins is located near to the N-E rim of the Cerro Aguas Calientes collapse caldera (17.5–10.8 Ma), in the geologic province of Puna, Salta- Argentina. It is hosted in Miocene felsic volcanic rocks with continental arc signature. The district includes twelve vein systems with mineralization of Sb occurring in hydrothermal breccias and stockwork. The veins are composed of quartz-sulfide with pyrite, stibnite and arsenopyrite. All around the veins, wall rocks are variably altered to clay minerals and sulfates in an area of around 2.5 km wide by more than 7 km long. The hydrothermal alterations recognized are: silicic, phyllic and argillic. The veins are characterized by high contents of Sb, As, and Tl and intermediate contents of Pb-Zn-Cu, and traces of Ag and Au. Homogenization and ice-melting temperatures of fluid inclusions vary from 125 °C to 189 °C and −2.4 °C to −0.8 °C. The isotopic data indicated a range of δ34S −3.04‰ to +0.72‰ consistent with a magmatic source for sulfur. We present the firsts K-Ar ages for hydrothermal illite/smectite mixed layers (I/SR1, 60% illite layers) and illite that constrain the age of the ore deposit (8.5–6.7 ± 0.2 Ma). The data shown here, let characterized the Incachule district as a shallow low sulfidation epithermal system hosted in a collapse caldera. Our data also indicate that mineralization is structurally controlled by a fault system related to the 10.3 Ma collapse of Aguas Calientes caldera. The interpreted local stress field is consistent with the regional one. © 2017 Elsevier Ltd

Registro:

Documento: Artículo
Título:Mineralogy, structural control and age of the Incachule Sb epithermal veins, the Cerro Aguas Calientes collapse caldera, Central Puna
Autor:Salado Paz, N.; Petrinovic, I.; Do Campo, M.; Brod, J.A.; Nieto, F.; da Silva Souza, V.; Wemmer, K.; Payrola, P.; Ventura, R.
Filiación:Instituto de Bio y Geociencias del NOA (IBIGEO), Universidad Nacional de Salta-CONICET, Av. Bolivia 5150, Salta, 4000, Argentina
Centro de Investigaciones en Ciencias de la Tierra (CICTERRA), Universidad Nacional de Córdoba-CONICET, Córdoba, X5016GCA, Argentina
Instituto de Geocronología y Geología Isotópica (INGEIS), Universidad Nacional de Buenos Aires- CONICET, Ciudad Universitaria, CABA, C1428EHA, Argentina
Facultade de Ciências e Tecnologia (FC), Universidade Federal de Goiás, Brazil
Dpto de Mineralogía y Petrología e I.A.C.T, Universidad de Granada-CSIC, Avda. Fuentenueva s/n, Granada, 18002, Spain
Instituto de Geociencias, Universidade de Brasília, Campus Universitario Darcy Ribeiro, Asa Norte, Brasília, DF 70910-900, Brazil
University of Goettingen, Geoscience Centre, Goldschmidtstraße 3, Goettingen, 37077, Germany
Palabras clave:Collapse caldera; Epithermal; Hydrothermal breccia; Low sulfidation; antimony; breccia; caldera; epithermal deposit; host rock; hydrothermal alteration; mineralization; mineralogy; structural control; vein (geology); Argentina; Puna; Salta [Argentina]
Año:2018
Volumen:82
Página de inicio:239
Página de fin:260
DOI: http://dx.doi.org/10.1016/j.jsames.2017.07.002
Título revista:Journal of South American Earth Sciences
Título revista abreviado:J. South Am. Earth Sci.
ISSN:08959811
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_08959811_v82_n_p239_SaladoPaz

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Citas:

---------- APA ----------
Salado Paz, N., Petrinovic, I., Do Campo, M., Brod, J.A., Nieto, F., da Silva Souza, V., Wemmer, K.,..., Ventura, R. (2018) . Mineralogy, structural control and age of the Incachule Sb epithermal veins, the Cerro Aguas Calientes collapse caldera, Central Puna. Journal of South American Earth Sciences, 82, 239-260.
http://dx.doi.org/10.1016/j.jsames.2017.07.002
---------- CHICAGO ----------
Salado Paz, N., Petrinovic, I., Do Campo, M., Brod, J.A., Nieto, F., da Silva Souza, V., et al. "Mineralogy, structural control and age of the Incachule Sb epithermal veins, the Cerro Aguas Calientes collapse caldera, Central Puna" . Journal of South American Earth Sciences 82 (2018) : 239-260.
http://dx.doi.org/10.1016/j.jsames.2017.07.002
---------- MLA ----------
Salado Paz, N., Petrinovic, I., Do Campo, M., Brod, J.A., Nieto, F., da Silva Souza, V., et al. "Mineralogy, structural control and age of the Incachule Sb epithermal veins, the Cerro Aguas Calientes collapse caldera, Central Puna" . Journal of South American Earth Sciences, vol. 82, 2018, pp. 239-260.
http://dx.doi.org/10.1016/j.jsames.2017.07.002
---------- VANCOUVER ----------
Salado Paz, N., Petrinovic, I., Do Campo, M., Brod, J.A., Nieto, F., da Silva Souza, V., et al. Mineralogy, structural control and age of the Incachule Sb epithermal veins, the Cerro Aguas Calientes collapse caldera, Central Puna. J. South Am. Earth Sci. 2018;82:239-260.
http://dx.doi.org/10.1016/j.jsames.2017.07.002