THE BOOK
Some of the ideas discussed in this blog are published in my new book called "The Stonehenge Bluestones" -- available by post and through good bookshops everywhere. Bad bookshops might not have it....
To order, click HERE

Sunday, 1 December 2024

Devon and Cornwall -- coastal erratics

 


The Giant's Rock at Porethleven. This is of a type of garnetiferous gneiss which is not found anywhere else in the UK .


Twin erratics on the rock platform near Godrevy, near Hayle.  Raised beach, sandrock and slope breccia exposed in the cliff. 


No identifiable erratics here, but this section at Portheras (about 4 km from Lands End in Cornwall) shows a beautiful exposure of the raised beach resting on the rock platform and capped by blocky slope breccia suggestive of a periglacial climate.

Thanks to David Evans and his great website for these images which he has made freely available.




Basalt boulder on the rock platform at Trebetherick (photo courtesy Jenny Bennett).  This rock may have come from far away, or maybe from a local source.  There is a dolerite sill nearby.





Posted by at

No comments:

Post a Comment

Subscribe to: Post Comments (Atom)