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![]() Figure 1. Location and bathymetry of the Cariaco Basin, off the coast of Venezuela in the southern Caribbean Sea. Shallow sills (arrows mark two channels to the west and east, 146 and 120 m deep, respectively) isolate deep waters, which are presently anoxic below 300 m, allowing preservation of finely laminated sediments. Circles indicate locations of piston cores PL07-39PC, PL07-56PC, PL07-57PC and PL07-58PC. Contour interval is 200 m. |