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 . niATIGHAPmCAL SECTION FROM ATIITRnn POINT BLACK GAJsG CHINE IN THE ISLE OF IGHl niLiuM inNKi inro us UPPEH miiusm il DisTiiinmox OF TiiF I'ossiLs AT piis KN IX iirrs section or the iotp ns mnil mm ivr stiut II XVI liier ' ' ' iiii 'MM mMm Mi