Thank you for sharing this Geological Society, London, Memoirs article.

NOTE: We request your email address only to inform the recipient that it was you who recommended this article, and that it is not junk mail. We do not retain these email addresses.

You are going to email the following Section 2 photographic section opener

Message Subject (Your Name) has forwarded a page to you from Geological Society, London, Memoirs

Message Body (Your Name) thought you would be interested in this article in Geological Society, London, Memoirs.