Major and trace element analyses from DSDP Hole 26-253 at the Ninetyeast Ridge in the Indian Ocean, supplement to: Fleet, A J; McKelvey, Barrie C (1978): Eocene explosive submarine volcanism, Ninetyeast Ridge, Indian Ocean. Marine Geology, 26(1-2), 73-97

A J Fleet & Barrie C McKelvey
A basaltic sequence of Eocene submarine-erupted pyroclastic sediments totals at least 388 m at DSDP Site 253 on the Ninetyeast Ridge. These fossiliferous hyaloclastic sediments have been erupted and fragmented by explosive volcanism (hydroexplosions) in shallow water. The occurrence of interbedded basaltic ash-fall tuffs within the younger horizons of the hyaloclastic sequence marks the emergence of some Ninetyeast Ridge volcanic vents above sea level. Considerable textural variation allows subdivision of the sequence into six informal...
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