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Natural Reserve Schlangenberg
The natural reserve Schlangenberg which means ''snake-mountain'' is located in the west of Germany close to the Dutch and Belgian border. The reserve is near the village Breinigerberg, 15 kilometres from Aachen or 7 kilometres distant from the city of Stolberg (Rhineland). ''Schlangenberg'' itself is a small hill peaking 276 m above sea level.
The 108 hectares large area is famous for its calamine flora.
== Geology ==
The soil of the natural reserve is basically limestone which was precipitated about 400 million years ago by an ancient ocean. In the following million years geological movements carried it to the surface where erosion removed large amounts. About 200 million years ago aqueous metal solutions filled the cavernous rocks. Primary ores were created mostly consisting of Sphalerite, Marcasite and Galena. The process continued and the ore close to the surface decomposed due to the influence of carbon dioxide and water. In this process as a secondary ore calamine ZnCO3 which is known as calamine developed.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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