Geological characterization and microthermometry of the Los Mellizos ore deposit (37°20'LS, 70°30'LO), Neuquén Province

The aim of this paper is the characterization of a copper mineralization located in the Agrio fold and thrust belt (20 km to the west of Chos Malal, Neuquén Province). Analyzing the structures and textures that could be researched in the mineralizations and the bed rock, we deduced a hydrothermal or...

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Autores principales: Schencman, L.J., Leal, P.R., Pérez, D.J.
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Acceso en línea:http://hdl.handle.net/20.500.12110/paper_00044822_v70_n4_p549_Schencman
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spelling todo:paper_00044822_v70_n4_p549_Schencman2023-10-03T13:59:03Z Geological characterization and microthermometry of the Los Mellizos ore deposit (37°20'LS, 70°30'LO), Neuquén Province Schencman, L.J. Leal, P.R. Pérez, D.J. Copper anomaly Fluid inclusions Neuquén Basin bedrock carbonate copper fluid inclusion fold and thrust belt hydroxide iron oxide mineralization ore deposit texture vein (geology) Argentina Neuquen Basin The aim of this paper is the characterization of a copper mineralization located in the Agrio fold and thrust belt (20 km to the west of Chos Malal, Neuquén Province). Analyzing the structures and textures that could be researched in the mineralizations and the bed rock, we deduced a hydrothermal origin for the deposit. We had determined two assemblages: a primary one of iron and copper sulphids, and a secondary one of oxides and hydroxides, with minor quantity of carbonates and silicates. The interaction with the bed rock is limited to a partial sericitic alteration, with subordinated amount of iron oxides and carbonates. In relation to the spatial distribution of the mineralization and the vein's geometry, we had determined that the main control of the deposit were subvertical structures. After a textural analysis of the mineralization we recognized three deformation events, which affected the bed rock and the ore deposit. The microthermometric studies made over carbonates from the latest stages of the mineralization process had showed a trap temperature of 95.4 °C as an average. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_00044822_v70_n4_p549_Schencman
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic Copper anomaly
Fluid inclusions
Neuquén Basin
bedrock
carbonate
copper
fluid inclusion
fold and thrust belt
hydroxide
iron oxide
mineralization
ore deposit
texture
vein (geology)
Argentina
Neuquen Basin
spellingShingle Copper anomaly
Fluid inclusions
Neuquén Basin
bedrock
carbonate
copper
fluid inclusion
fold and thrust belt
hydroxide
iron oxide
mineralization
ore deposit
texture
vein (geology)
Argentina
Neuquen Basin
Schencman, L.J.
Leal, P.R.
Pérez, D.J.
Geological characterization and microthermometry of the Los Mellizos ore deposit (37°20'LS, 70°30'LO), Neuquén Province
topic_facet Copper anomaly
Fluid inclusions
Neuquén Basin
bedrock
carbonate
copper
fluid inclusion
fold and thrust belt
hydroxide
iron oxide
mineralization
ore deposit
texture
vein (geology)
Argentina
Neuquen Basin
description The aim of this paper is the characterization of a copper mineralization located in the Agrio fold and thrust belt (20 km to the west of Chos Malal, Neuquén Province). Analyzing the structures and textures that could be researched in the mineralizations and the bed rock, we deduced a hydrothermal origin for the deposit. We had determined two assemblages: a primary one of iron and copper sulphids, and a secondary one of oxides and hydroxides, with minor quantity of carbonates and silicates. The interaction with the bed rock is limited to a partial sericitic alteration, with subordinated amount of iron oxides and carbonates. In relation to the spatial distribution of the mineralization and the vein's geometry, we had determined that the main control of the deposit were subvertical structures. After a textural analysis of the mineralization we recognized three deformation events, which affected the bed rock and the ore deposit. The microthermometric studies made over carbonates from the latest stages of the mineralization process had showed a trap temperature of 95.4 °C as an average.
format JOUR
author Schencman, L.J.
Leal, P.R.
Pérez, D.J.
author_facet Schencman, L.J.
Leal, P.R.
Pérez, D.J.
author_sort Schencman, L.J.
title Geological characterization and microthermometry of the Los Mellizos ore deposit (37°20'LS, 70°30'LO), Neuquén Province
title_short Geological characterization and microthermometry of the Los Mellizos ore deposit (37°20'LS, 70°30'LO), Neuquén Province
title_full Geological characterization and microthermometry of the Los Mellizos ore deposit (37°20'LS, 70°30'LO), Neuquén Province
title_fullStr Geological characterization and microthermometry of the Los Mellizos ore deposit (37°20'LS, 70°30'LO), Neuquén Province
title_full_unstemmed Geological characterization and microthermometry of the Los Mellizos ore deposit (37°20'LS, 70°30'LO), Neuquén Province
title_sort geological characterization and microthermometry of the los mellizos ore deposit (37°20'ls, 70°30'lo), neuquén province
url http://hdl.handle.net/20.500.12110/paper_00044822_v70_n4_p549_Schencman
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AT lealpr geologicalcharacterizationandmicrothermometryofthelosmellizosoredeposit3720ls7030loneuquenprovince
AT perezdj geologicalcharacterizationandmicrothermometryofthelosmellizosoredeposit3720ls7030loneuquenprovince
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