Demarara Rise Core - A 110-million-year-old limestone core taken from the Demarara Rise off South America during Leg Fourteen of Deep Sea Drilling Project, is being inspected by officials aboard the drilling vessel, Glomar Challenger. Left to right, Cruise Operations Manager Del Redding, of Phillips Petroleum Company, Dennis E. Hayes, of Columbia University's Lamont-Doherty Geological Observatory, and Anthony C. Pimm, of Scripps Institution of Oceanography. Hayes and Pimm were Cruise Co-Chief Scientists on the Lisbon to San Juan, Puerto Rico, expedition.
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