This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
The Quarterly journal of the Geological Society of London . PROCEEDINGS OF THE GEOLOGICAL SOCIETY DeC by stone and marble of grey yellowish and occasionally pink colours which at Untersberg near Salzburg around the valley of Gosau and at numerous other places plunges under strata of impure limestone marl and sandstone charged