(Weiße Grube, Imsbach, Kirchheimbolanden, Rheinland-Pfalz, Deutschland)
Structurally controlled copper-silver-cobalt mineralization in silicified permian ryolite. Mining since the 15th century, last works at the beginning of the 1920s, re-evaluated again during the 1930s. Originally 2 underground mines (Nordgrube and Südgrube), later connected and at last exploited by open pit mining the very low grade oxidic ore to be processed by sulfuric acid leaching in a newly built processing plant at the eastern end of the Imsbach village. A visitor's mine since 1979.
Located just south of Donnersberg mountain, 2 km NE of Imsbach and about 11 km SW of Kirchheimbolanden.
References:
- Lapis 1977(6), 10
- Lapis 1984(5), 36-39
- Magma 1984(2), 59-66
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Map Reference: 49°35'31"N , 7°53'59"E
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Mineral List:56 entries listed. 54 valid minerals.
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