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  Formation of epithermal Sn-Ag(-Zn) mineralization at the Pirquitas deposit, Jujuy Province, NW Argentina – Fluid inclusion and isotopic constraints

Desanois, L., Lüders, V., Niedermann, S., Romer, R. L., Trumbull, R., Altenberger, U., Caffe, P. J. (2017): Formation of epithermal Sn-Ag(-Zn) mineralization at the Pirquitas deposit, Jujuy Province, NW Argentina – Fluid inclusion and isotopic constraints - Abstracts, GeoBremen 2017: The System Earth and its Materials - from Seafloor to Summit. Joint Meeting of DGGV and DMG (Bremen, Germany 2017).

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Item Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_3175896 Version Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_3175896_3
Genre: Conference Paper

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 Creators:
Desanois, Louis1, Author              
Lüders, Volker2, Author              
Niedermann, Samuel1, Author              
Romer, R. L.1, Author              
Trumbull, R.1, Author              
Altenberger, Uwe3, Author
Caffe, Pablo J.3, Author
Affiliations:
13.1 Inorganic and Isotope Geochemistry, 3.0 Geochemistry, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum, ou_146040              
23.2 Organic Geochemistry, 3.0 Geochemistry, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum, ou_146041              
3External Organizations (TEMPORARY!), ou_persistent22              

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 Abstract: The Pirquitas epithermal Sn-Ag deposit is located near the Bolivian border in the Argentinian Puna Plateau and used to be historically a great source of Sn and Ag in the country. The Pirquitas deposit is considered to be an analogue to the Bolivian Sn-Ag epithermal deposits but the origin of the ore-bearing fluids is still controversial. Fluid inclusions studies in quartz, Sn-Ag minerals and sphalerite from e.g. the Oploca vein system in transmitted and near infrared light show variable salinity from 10.6 to 0.8 wt.% NaCl equiv. and homogenous temperature from 274° to 190° C probably due to mixing of saline metal-rich fluids with meteoric water. Sulfur and lead isotopes analysis were performed in sulphides and sulfosalts. All results obtained are in agreement with data from Bolivian Polymetallic epithermal Ag deposits and suggest an mixture of magmatic and sedimentary sources.

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 Dates: 2017
 Publication Status: Finally published
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 Identifiers: GFZPOF: p3 PT5 Georesources
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Title: GeoBremen 2017: The System Earth and its Materials - from Seafloor to Summit. Joint Meeting of DGGV and DMG
Place of Event: Bremen, Germany
Start-/End Date: 2017-09-24 - 2017-09-29

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Title: Abstracts
Source Genre: Proceedings
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