In view of the suggestion yesterday in a paper by Giorgio Bracaglia that The Raes samples that Rogers used had been switched it seems like a good time to examine the St. Louis presentation by Thibault Heimburger, The origin of Rogers’ Raes and C14 samples along with his PowerPoint Presentation.
Here is a chart that addresses that very point:
Here is the concluding PP chart from Thibault’s talk:
*The paper at HSG has been locked up with a password. Apparently and unfortunately, it was not supposed to have been released.