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Article . 2023
License: CC BY NC
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Química de minerales hidrotermales como herramienta de exploración en depósitos tipo pórfido de Cu-Au-Mo y epitermales de Au-Ag-Cu asociados. Ejemplos del Proyecto Altar, San Juan

Authors: Maydagán, Laura; Franchini, Marta Beatriz;

Química de minerales hidrotermales como herramienta de exploración en depósitos tipo pórfido de Cu-Au-Mo y epitermales de Au-Ag-Cu asociados. Ejemplos del Proyecto Altar, San Juan

Abstract

Los estudios de química mineral en minerales hidrotermales han demostrado su potencial para extender significativamente las dimensiones de la huella geoquímica de los depósitos tipo pórfido sobre las rocas débilmente alteradas que rodean estos grandes sistemas hidrotermales. Estudios realizados en los depósitos Altar Central (AC) y Quebrada de la Mina (QDM) del proyecto Altar (San Juan) han permitido reconocer variaciones composicionales en filosilicatos y arcillas a través de estudios de microsonda electrónica, difracción de rayos X y análisis de espectroscopia infrarroja (SWIR), así como también en sulfuros y cuarzo mediante análisis de microsonda electrónica y AL-ICPMS. En esta contribución se realiza una revisión de las diferencias composicionales más significativas reconocidas en minerales hidrotermales del proyecto Altar y se aportan nuevos datos preliminares sobre investigaciones que continúan en desarrollo, que tienen potencial para ser utilizados en la exploración minera de depósitos tipo pórfido de Cu-Au-Mo y epitermales de Au-Ag-Cu asociados.

Mineral chemistry studies on hydrothermal minerals have demonstrated their potential to significantly extend the geochemical footprint dimensions of porphyry-type deposits on the weakly altered rocks surrounding these large hydrothermal systems. Studies carried out in the Altar Central (AC) and Quebrada de la Mina (QDM) deposits of the Altar project (San Juan) allowed to recognize compositional variations in phyllosilicates and clays through electron microprobe studies, X-ray diffraction and spectroscopy infrared (SWIR) analysis, as well as in sulphides and quartz by means of electron microprobe analysis and LA-ICPMS. In this contribution, a summary review of the most significant compositional differences recognized in hydrothermal minerals from Altar project is provided as well as new preliminary data on investigations that are still being developed, which have the potential to be used in mineral exploration of CuAu-Mo porphyry type deposits and associated Au-Ag-Cu epithermal deposits.

Fil: Maydagán, Laura. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Instituto Geológico del Sur. Universidad Nacional del Sur. Departamento de Geología. Instituto Geológico del Sur; Argentina. Centro Patagónico de Estudios Metalogenéticos; Argentina

Fil: Franchini, Marta Beatriz. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional del Comahue; Argentina. Centro Patagónico de Estudios Metalogenéticos; Argentina

Country
Argentina
Keywords

Exploración minera, vectorización, https://purl.org/becyt/ford/1.5, Argentina, transición pórfido epitermal, minerales hidrotermales, https://purl.org/becyt/ford/1

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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