Anoxic and Oxic Subseafloor Sediment in the Puerto Rico Trench Region

Steven D'Hondt1, Dennis Graham2, Robert A. Pockalny1, Sofia Rivera Soto3, David C Smith4, Barbara Saucedo5, Jelis Sostre-Cortes6, Arthur J Spivack7 and AR64-02 Shipboard Scientific Party, (1)University of Rhode Island, Graduate School of Oceanography, Narragansett, RI, United States, (2)University of Rhode Island - GSO, Oceanography, Narragansett, United States, (3)University of Puerto Rico - Mayagüez, Chemical Engineering, Mayagüez, United States, (4)Univ Rhode Island, Narragansett, RI, United States, (5)University of California San Diego, Biological Sciences, La Jolla, United States, (6)University of Puerto Rico Mayaguez, Geology, Mayaguez, United States, (7)University of Rhode Island - GSO, Narragansett, United States