Alt, JC, Shanks, WC, Bach, W, Paulick, H, Garrido, CJ and Baudoin, G (2007) Hydrothermal alteration and microbial sulfate reduction in P peridotite and gabbro exposed by detachment faulting at the Mid-Atlantic Ridge, 15°20'N (ODP Leg 209): A sulfur and oxygen isotope study. Geochemistry Geophysics Geosystems. Q08002. doi:10.1029/2007GC001617