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San Santiago mine (Solitaria mine), Quebrada de Cumichango, Jagüé, Vinchina Department, La Rioja, Argentina

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Name(s) in local language(s): Mina San Santiago
 
This mine formerly called "Solitaria", is in the Quebrada de Cumichango, located about 35 km north of Jagüe city and 280 km to the NW of Chilecito city in General Sarmiento Department.
The area of this mining property consists of (amphibole, quartzites, mica, etc...), crystalline schists of directions and belonging to the Precambrian variable inclinations; pegmatites and Lamprofirs ore can be seen in them.
The site consists of a vein of directorate general NE-SW with dip of 45 ° W, which has a known length of several tens of meters and a power of little decimetres. Within the calcite of the grain mass there are lenticular bodies rich in Nickeline - metalic main ore-, which is closely associated the Pitchblende by way of thin black-gray films, as well as small proportions of Sphalerite, Pyrite, Chloantite, Galena and Chalcopyrite.
The structure of the grain in the areas of the Nickeline is breccia.
The deposit is epithermal and has no apparent link with visible eruptive rocks of the area.
The law of selected minerals is 15-20% of Ni with 1.0-1.2% U3O8.


Mineral List



25 entries listed. 22 valid minerals.

The above list contains all mineral locality references listed on mindat.org. 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 mindat.org 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.

References

Victorio Angelelli (1958) - Los minerales de uranio sus yacimientos y prospección. Departamento de geología y minería. Comisión Nacional de Energía Atómica.

C. T. Friz, F. Rodrigo y P.N. Stipanicic - Recursos y posibilidades Uraníferas en Argentina. Session 2.11 P/405. Comision Nacional de Energia Atomica.


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