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Evaporite Core - An evaporite core taken from the Mediterranean Seaduring Leg Thirteen of the Deep Sea Drilling Project is shown in the core liner by Cruise Co-Chief Scientists Drs. Kenneth J. Hsu, left, and Dr. William B.F. Ryan, right. Charles Simon, of the Glomar Challenger drilling crew, is in the middle. An evaporite is a chemical precipitation formed from evaporation of salt or sea water. Dr. Hsu is from the Swiss Federal Institute of Technology in Zurich, while Dr. Ryan is from Columbia University's Lamont-Doherty Geological Observatory.

Evaporite Core - An evaporite core taken from the Mediterranean Seaduring Leg Thirteen of the Deep Sea Drilling Project is...