Auxiliary material for Paper 2010GB003794 Natural organobromine in marine sediments: New evidence of biogeochemical Br cycling Alessandra C. Leri Department of Chemistry, Princeton University, Princeton, New Jersey, USA Now at Department of Natural Sciences and Mathematics, Marymount Manhattan College, New York, New York, USA J. Alexandra Hakala Department of Geosciences, Princeton University, Princeton, New Jersey, USA Matthew A. Marcus Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, California, USA Antonio Lanzirotti Consortium for Advanced Radiation Sources, University of Chicago, Chicago, Illinois, USA Christopher M. Reddy Department of Marine Chemistry and Geochemistry, Woods Hole Oceanographic Institution, Woods Hole, Massachusetts, USA Satish C. B. Myneni Department of Chemistry, Princeton University, Princeton, New Jersey, USA Department of Geosciences, Princeton University, Princeton, New Jersey, USA Earth Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California, USA Leri, A. C., J. A. Hakala, M. A. Marcus, A. Lanzirotti, C. M. Reddy, and S. C. B. Myneni (2010), Natural organobromine in marine sediments: New evidence of biogeochemical Br cycling, Global Biogeochem. Cycles, 24, GB4017, doi:10.1029/2010GB003794. Introduction The supplementary material consists of a single pdf file containing X-ray absorption spectra, micro-XRF maps, and tables of elemental cross-correlations. 1. 2010gb003794-txts01.pdf This file contains x-ray absorption spectra, micro-XRF maps, and tables of elemental cross-correlations. It also contains explanatory notes relating to the supplemental figures.