Hill End To Spaniard Rocks 33

Pebbles with black coating of iron sulphides from burial in anaerobic layers

Hill End To Spaniard Rocks 33 – Pebbles with black coating of iron sulphides from burial in anaerobic layers on Rhossili beach, Gower.

Leave a comment

This site uses Akismet to reduce spam. Learn how your comment data is processed.