Almadén Mine, Almadén, Almadén District, Ciudad Real, Castile-La Mancha, Spain
|Latitude & Longitude (WGS84):||38° 46' 31'' North , 4° 50' 51'' West|
|Latitude & Longitude (decimal):||38.77528,-4.84750|
|Other regions containing this locality:||Iberian Peninsula|
A mercury mine started before 1850. Owned by Minas de Almadén.
Volcano-sedimentary Hg ores hosted in quartzite and volcanic rocks.
The name Almadén stems from the Arabic al-ma 'daniy 'yun, "the mine" or "the mineral".
26 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
|Late Ordovician - Middle Ordovician|
443.8 - 470 Ma
- Crawford, J.W. (1988). "Famous mineral localities: The Almaden mines Ciudad Real Spain." Mineralogical Record, 19(5), 297-302.
- Hall C. M., Higueras P. L., Kesler S. E., Lunar R., Dong H., Halliday A. N., 1997. Dating of alteration episodes related to mercury mineralization in the Almadén district. Earth Planet. Sci. Lett. 148, 287-298.
- Hernandez, A., Jébrak M., Higueras P., Oyarzun R., Morata D., Munhà J., 1999. The Almadén mercury mining district, Spain. Miner. Deposita, 34, 539-548.