The author thanks Texaco, Inc., for permission to publish this research. This work was initiated following discussions with Dr. Brian Taylor concerning the termination of drilling at Site 1108 for safety concerns. Dr. Adam Klaus provided assistance with sample acquisition. An earlier draft of this manuscript was read by Cole Robison, Joel Leventhal, and George Claypool. The Geochemical Laboratories of the Houston Advanced Research Center (HARC), The Woodlands, Texas, provided analytical assistance.