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 . CA LLAWAY ON THE NEWEE GNEISSIC Fig Section on Poulandrein Scale inches to mile the right bank the uncertainty is removed The Brown Flags in curved overthrown beds are succeeded after an interval of few yards occupied by drift and fragments by the quartzite which