And now, #446:
This one, to me, is a kind of homage to a group of geologists.
For this new challenge you should find out exact location and its geology.
No Schott's Rule! Rules, tips and previous WoGEs are collected by Felix on his blog and a KML file is available with all WoGEs.
P.S.: I had to erase the image providers because it made it too easy!