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ERZWIES
The big area of the Erzwies is geologically characterized
by contact zones between lime rock, slate and gneiss lying underneath.
The deposit contains a lot of lead minerals, mainly
galena.
Of the two noble metals silver is primarily found but gold also existed
and still exists. The area is characterized by a large number of galleries
and shafts.
The "singing hole" is famous, where striking
noises were heard by miners, perhaps caused by turbulent air or by water
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