gsminmag Mineralogical Magazine Mineralogical Magazine 0026-461X Mineralogical Society 10.1180/minmag.1998.62A.1.218 A Coupled Molecular Isotopic Approach to Trace Sources of Organic Carbon Preserved in the Sedimentary Record Eglinton T. I. Benitez-Nelson B. C. Pearson A. Marine Chemistry and Geochemistry Dept., Woods Hole Oceanographic Institution, Woods Hole, MA 02543, USA McNichol A. P. National Ocean Sciences AMS Facility, Woods Hole Oceanographic Institution, Woods Hole, MA 02543, USA Goñi M. A. Geological Sciences Dept., University of South Carolina, Columbia, SC 29208, USA Ertel J. R. Chemistry and Materials Science Dept., Lawrence Livermore National Laboratory, Livermore, CA 94551, USA 1998 62A 1 413 414 Copyright © 1998, The Mineralogical Society 1998