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Tincalayu mine (Boroquimica Mine), Salar del Hombre Muerto, Los Andes department, Salta, Argentina

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Latitude & Longitude (WGS84): 25° 16' 7'' South , 67° 3' 27'' West
Latitude & Longitude (decimal): -25.2686111111, -67.0575

A borate mine in the Tincalayu borax deposit. Tincalayu open pit measures 1,500 meters wide, 500 meters long and 100 meters deep. Produces 130,000 tons/year.
Located exactly on the border of Salta and Catamrca province, in the northern part of Salar del Hombre Muerto.

The Boroquimica company used to extract the ore in Salar del Hombre Muerto (mainly Tincalayu mine) and to transport it to its Campo Quijano plant to be processed.
Ref.: Mining Annual Review(1985):337. A borax mine producing 34,000 tons during 1984.

Mineral List

21 valid minerals. 4 (TL) - type locality of valid minerals.

This page contains all mineral locality references listed on This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.


Hurlbut, C.S. & Erd, R. C. (1974): Aristarainite, Na2O∙MgO∙6B2O3∙10H2O, a new Mineral from Salta, Argentina. American Mineralogist. 59: 647-651.

(in part): Mining Annual Review (1985): 128.

Mining Annual Review(1985):337

Alonso, R. N. (1999). On the origin of La Puna borates. Acta geológica hispánica, 34(2), 141-166.

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