samples obtained in the northern Gulf of Mexico during July 2002. During this cruise on the
RV Marion Dufresne, 17 giant piston cores up to 38-meters long, 4 giant box cores up to 10-
meters long, and 8 gravity (heat flow) cores up to 9-meters long were recovered in widely
different geologic environments in water depths ranging from about 580 to 2,260 meters.
Gas hydrate was recovered in three cores at subbottom depths of about 3 to 9 meters, and …