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bratschen
''Bratschen'' are weathering products that occur as a result of frost and aeolian corrasion almost exclusively on the calc-schists of the Upper Slate Mantle (''Obere Schieferhülle'') in the High Tauern mountains of Austria. The term is German. The calc-schist, that appears blue-gray when freshly broken, weathers to a yellow to brown colour and flakes off on the surface to form ''Bratschen''. These form steep (up to 40°), rocky, almost unvegetated mountainsides with an odd and rough-textured surface, caused by wind erosion. ''Bratschen'' are found on the mountains such as the Fuscherkarkopf, the Großer Bärenkopf, the Kitzsteinhorn, the Schwerteck or on the – eponymous – Bratschenköpfen. == References == 〔
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「bratschen」の詳細全文を読む
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