Dear Colleagues I am after some fossil Equisetum (with organic material preserved) for conducting isotopic analyses on. Can anyone help me obtain this material? Cheers Darren Dr Darren Grocke EGU President of the Stratigraphy, Sedimentology & Palaeontology Division (http://ssp.egu.eu/) Chief-Executive Editor of the open-access journal, Solid Earth (http://www.solid-earth.net/ ) Manager of PubSclero (http://www.pubsclero.net/) Department of Earth Sciences Durham University South Road Durham DH1 3LE UK fax: +44 191 334 2301 [log in to unmask]