Slag dumps, Sitio do Cobre Mine, Ingadanais Mines, Tostão, Vila Velha de Rodão, Castelo Branco District, Portugal
|Latitude & Longitude (WGS84):||39° 41' 12'' North , 7° 39' 34'' West|
|Latitude & Longitude (decimal):||39.68668,-7.65964|
|Other regions containing this locality:||Iberian Peninsula|
|Köppen climate type:||Csa : Hot-summer Mediterranean climate|
|Name(s) in local language(s):||Escórias, Mina Sitio do Cobre, Minas dos Ingadanais, Tostão, Vila Velha de Rodão, Distrito de Castelo Branco, Portugal|
In Sitio do Cobre mine and along the Açafal riverside near a Roman bridge, there is a slag dump resulting from the smelting of copper ore. These foundry works are prior to registration of the concession in 1904. The slags of the Ingadanais mines were studied and analyzed by João Carvalho and Miguel Gaspar (2009), who identified another slag dump in Enxarrique riverside mine with works of foundry in fifties (separate locality: http://www.mindat.org/loc-248003.html).
The slags from the old foundry of Sitio do Cobre mine are more dense, less porous, more devitrified and much more rich in copper when compared with the slags of the 1950s, suggesting a less efficient reduction and that this ancient smelting dates back to the period of Roman occupation in Lusitania.
Ruins of Ingadanais Mines by Martins da Pedra http://www.mindat.org/article.php/1620
4 valid minerals. 1 erroneous literature entry.
Rock Types Recorded
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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.
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485.4 - 541 Ma
|Paleozoic sedimentary rocks|
Age: Cambrian (485.4 - 541 Ma)
Lithology: Sedimentary 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. 
|Middle Cambrian - Neoproterozoic|
501 - 1000 Ma
Stratigraphic Name: Xisto-Grauvaquico Complex
Description: flysch (sediments)
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.