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Initial Reports of the Deep Sea Drilling Project
Complete and virtually undisturbed sections of late Neogene and Quaternary sediment were recovered by the hydraulic piston corer from Leg 68 sites in the western Caribbean and eastern equatorial Pacific. Lithologic stratigraphy of Site 502 records the changing paleoceanography of the western Caribbean. Associated with the emergence Of the Isthmus of Panama is the weakening of the west-flowing Caribbean Current. This is reflected in an abrupt lithofacies change, with a marine authigenic-volcanicdoi:10.2973/dsdp.proc.68.112.1982 fatcat:n6tgkrxh6fe4nghetihz4iyx3u