|Latitude & Longitude (WGS84):||38° 40' 20'' North , 5° 51' 35'' West|
|Latitude & Longitude (decimal):||38.67222,-5.85972|
|Other regions containing this locality:||Iberian Peninsula|
|Köppen climate type:||Csa : Hot-summer Mediterranean climate|
|Name(s) in local language(s):||Mina San Nicolás, Valle de la Serena, Badajoz, Extremadura, España|
High-temperature quartz veins with Sn-W-Bi-Mo mineralization.
Deposits were mined from 1912 to 1990 in diferent claims (San Nicolás, Galia, Arreglo, Cerrojo and Fraternidad).
World-quality topaz crystals.
Very interesting secondary mineralization from the arsenopyrite-pirite, ferberite-molibdenite veins.
34 valid minerals.
This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.
Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org
358.9 - 443.8 Ma
443.8 - 485.4 Ma
Age: Ordovician (443.8 - 485.4 Ma)
Description: undifferentiated metamorphic
Reference: Asch, K. The 1:5M International Geological Map of Europe and Adjacent Areas: Development and Implementation of a GIS-enabled Concept. Geologisches Jahrbuch, SA 3. 
541 - 4000 Ma
|Precambrian crystalline metamorphic rocks|
Age: Precambrian (541 - 4000 Ma)
Lithology: Crystalline metamorphic rocks
Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529.