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Elzhofberggrauwackeschiefer. Gesteinsformation Quarzit gegen Tonschiefer Bernd Ternes Bernd Ternes Guandalug Aug CEST PDrelease Original upload log de Wdwdbot CommonsHelper de Elzhofberggrauwackeschiefer Dieter rogge bytes no Information Gesteinsformation Quarzit gegen Tonschiefer selbst fotografiert Bernd Ternes public