North Cornwall - Geology
![Purple /Green /Grey Slates - Trebetherick (S10)](https://amazon.clikpic.com/1cornwall/images/CRN_4548_trebertherick_purple_green_slates_Cornwall_Coast.jpg)
Purple /Green /Grey Slates - Trebetherick (S10)
Stripes of Purple /Green /Grey Slates from the Upper Devonian Period (377 - 363 Ma) , are exposed
on the shoreline around the coast at Trebetherick.
Ref: 4548
Date: 16/02/2017
Location: SW 9252 7790