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Año Dos Mil Mine, Cosquín, Rosario District, Punilla Department, Córdoba Province, Argentinai
Regional Level Types
Año Dos Mil MineMine
CosquínCity
Rosario DistrictDistrict
Punilla DepartmentDepartment
Córdoba ProvinceProvince
ArgentinaCountry

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PhotosMapsSearch
Latitude & Longitude (WGS84):
31° South , 64° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~6km
Type:
Mindat Locality ID:
257291
Long-form identifier:
mindat:1:2:257291:1
GUID (UUID V4):
44f2e5a1-e03d-484a-ae45-bb4590cb1071
Name(s) in local language(s):
Mina "Año Dos Mil", Cosquín, Departamento Punillas, Córdoba, Argentina.


Uranium Deposit near "Rodolfo" Mine.

History:
Two kilometers to the west of Cosquín town, includes the deposits: "Rodolfo", "Año Dos Mil", etc... Elevation: 721 metres above sea level.
A sedimentary Eocene succession emerges by more than 30 kilometres at the Punilla Valley, with facies is continental, leaving limited eastward, through failure, antecambrics gneiss, while to the West relies on Granites and diorites of the same age, who accused a high content of uranium (6 to 9 ppm) and they are crossed by abundant pegmatites, some of them also uraniferous.
Within the package of sediments, an sand-clay industry, with a high content of calcium carbonate, from 9 to 12 metres of thickness, includes 3 levels of mineralized with uranium, of which the medium is of greater interest in its continuity. Until 1964, the tank had been studied on a surface extension of 2,000 meters and up to 60 meters deep, making sure that the uraniferous sector had a variable power between 5 and 7 meters and tenor for the same of 0.04% U3O8. An intensive exploratory plan subsequently made by drilling, certified that the mineralization continues - 130 meters, which can define a sector of 1.5 to 2 metres, whose laws vary between 0.1-0.15% U3O8 and uraniferous body is repeated in depth by Quaternarian tectonism effects.
To the North, the site was recognized in less detail on other 4 kilometers, up to 30 meters of depth and showed similar characteristics to the southern sector.
Prospecting radiometric and manometric, as well as also reduced mine workings, allowed to demonstrate the continuity of the mineralization over tens of kilometers. The dominant uraniferous species found were Carnotite and Tyuyamunite, contained in argillocalcareous gangue with contents ranging between 0.014% and 0.10% of U3O8.
Based on the exploratory work was superior to the reserve 11,000 tonnes of U3O8.
The present is one of uraniferous biggest accumulations of Argentina. While the same is low-grade, ore, very friable, can be easily preconcentrated, desliming him, with what his original law rises up to 3 times, reducing its volume 20-37%.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


3 valid minerals.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Carnotite4.HB.05K2(UO2)2(VO4)2 · 3H2O
Tyuyamunite4.HB.25Ca(UO2)2(VO4)2 · 5-8H2O
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3

List of minerals for each chemical element

HHydrogen
H CarnotiteK2(UO2)2(VO4)2 · 3H2O
H TyuyamuniteCa(UO2)2(VO4)2 · 5-8H2O
CCarbon
C CalciteCaCO3
OOxygen
O CalciteCaCO3
O CarnotiteK2(UO2)2(VO4)2 · 3H2O
O TyuyamuniteCa(UO2)2(VO4)2 · 5-8H2O
KPotassium
K CarnotiteK2(UO2)2(VO4)2 · 3H2O
CaCalcium
Ca CalciteCaCO3
Ca TyuyamuniteCa(UO2)2(VO4)2 · 5-8H2O
VVanadium
V CarnotiteK2(UO2)2(VO4)2 · 3H2O
V TyuyamuniteCa(UO2)2(VO4)2 · 5-8H2O
UUranium
U CarnotiteK2(UO2)2(VO4)2 · 3H2O
U TyuyamuniteCa(UO2)2(VO4)2 · 5-8H2O

Other Regions, Features and Areas containing this locality

South AmericaContinent
South America PlateTectonic Plate

This page 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

 
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