Ancient lead-zinc mine (abandoned in 1885) working a vein hosted by Lower Carboniferous limestone and coal measure shales. The Bleyberg mine is located 6 km NW of Kelmis and about 20 miles NE of Liege.
References:- Dewez, L., Lespineux, G., (1949): Les Minerais Du Sol Belge; Centenaire de l`Association des Ingenieurs sortis de l`Ècole de Liege, Section Geologie.
- Hejlen, W., Muchez, P., and Banks, D.A. (2001): Origin and evolution of high-salinity, Zn-Pb mineralising fluids in the Variscides of Belgium. Mineralium Deposita 36, 165-176.
- Rocks & Min.: 20:467.
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http://www.trois-frontieres.be/D/mine_plomb.php 19 entries listed. 18 valid minerals.