Zechstein unconformity and basal Zechstein beds (basal Werra-Formation, lower Upper Permian) including copper shale (brownish weathered), exposed on the upper level of the open cast mine Kamsdorf, near Saalfeld, Thuringia, Germany.
<a href="//commons.wikimedia.org/wiki/User:Gretarsson" title="User:Gretarsson">Gretarsson</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>