How Old Is the Deep Water in the Gulf of Mexico?

Piers Chapman, Texas A&M University College Station, Oceanography, College Station, TX, United States, Robert M Key, Princeton Univ, Princeton, NJ, United States, Steven Francis DiMarco, Texas A & M University, College Station, TX, United States, Connie Previti, Texas A&M University, Oceanography, College Station, TX, United States and Shari Ann Yvon-Lewis, Texas A & M University College Station, College Station, TX, United States