(Grube Castor, Loope, Engelskirchen, Bergisches Land, Nordrhein-Westfalen, Deutschland)
Ancient lead and zinc mine, closed in 1913.
Several dumps are located in the Agger Valley, just north of Ehreshoven Castle. Located 2 km NW of Loope and about 4.5 km WSW of Engelskirchen.
Note on the mineral list: some identifications by Habel & Linder (2009) appear questionable (the majority are assigned a question mark in the article but not all).
References:- Slotta (1983)
- Baade, R. (1987): Emser Hefte 8 (2), 57-64
- Habel, B. & Linder, R. (2009): Die Grube "Castor" bei Loope und ihre Mineralien. Mineralien-Welt 20 (3), 10-23.
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http://www.strahlen.org/vp/de/castor/ Mineral List:73 entries listed. 70 valid minerals.
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