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 . LOFTUS TURKOPERSIAN FRONTIER Fig Section from Selmds to Guverjin Kaldh Distance about miles Alluvium Blue altered contorted limestone Nummulitic limestone Compact red fluor with red jasper White limestone Hornblende rock White chert with common opals Pink granite