Laurani Mine, Laurani District, Aroma Province, La Paz Department, Bolivia

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Copper mine which works several veins in a late Tertiary volcanic massif, the Serrania de Laurani, which sticks up out of the Altiplano with elevations up to 4,400 metres. The mineralization is richer in arsenic and poorer in antimony than most of the more famous bolivian mines. The as yet unworked San Geronimo vein held 2 to 3% Cu, 150 ppm Ag, 3 to 5 ppm Au (Ahlfeld & Schneider-Scherbina, 1964).

Ref.:
- Ahlfeld, F. and Schneider-Scherbina, A. (1964): Los Yacimientos Minerales y de Hidrocarburos de Bolivia.

Mineral List

Acanthite Aikinite Albite Alunite Anatase Arsenopyrite Baryte Benjaminite Bismuthinite Bornite Bournonite Braithwaiteite (TL)

Calaverite Cassiterite Chalcopyrite Chalcostibite 'Chlorite Group' Covellite Emplectite Enargite Famatinite Freibergite Galena Gold var: Electrum

Jordanite Kaolinite Lammerite (TL) Lavendulan Lemanskiite ? Luzonite Matildite Miargyrite Muscovite var: Sericite Polybasite Proustite Pyrargyrite

Pyrite Quartz Rickardite Siderite Silver Sphalerite Stannite Stephanite Tennantite Tetrahedrite Umangite

47 entries listed. 44 valid minerals. 2 type localities (valid minerals).