(Griesberg, Kommern, Mechernich, Eifel, Nordrhein-Westfalen, Deutschland)
Ancient lead mine (open cut) in the northern part of the Mechernich lead deposit working from 1859 to 1877. The main ore minerals (Galena, Cerussite and Malachite/Azurite) are disseminated or occur in nodular impregnations ('Knotten') and veinlets in the lower Triassic sandstones and conglomerates (Middle Bunter Sandstone).
The open cut is located 0,5 km south of Kommern.
Refs.:
- Beyer, H. (1961): Die Mineralien im Hohen Venn und auf dem Nordabfall der Eifel, Aufschluss, 10. Sonderheft, 67-81
- Graf, H.-W. (1992): Die Mineralien der Nordeifel, Teil 1 und 2, Mineralienwelt 1/1992, 3/1992
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Map Reference: 50°36'6"N , 6°38'36"E
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