| gorgeous array of colors and habits), legrandite, köttigite/parasymplesite, and paradamite, as well as superb...attraction. Photo courtesy of Peter Megaw. Introduction ore mining at the Ojuela ceased in the mid-1940’s, but...respective heydays, exploiting hydrothermal polymetallic ore deposits. The Tsumeb deposit, however, is geologically...has done so only during the last 60 years, after ore mining had largely come to an end (we almost dare...specimens the miners probably encountered and crushed as ore or discarded as waste during those 340+ years). Both |
Ore dumps, Richelsdorf Smelter, Süß, Nentershausen, Hersfeld-Rotenburg, Kassel Region, Hesse, Germany