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Lateral lithological, compositional, and grain size variations in the Peñalver Formation in northwestern Cuba, which is a Cretaceous/Tertiary (K/T) boundary deposit accumulated on the northwestern slope of the extinct Cretaceous Cuban arc and distributed over an area of 150km, are examined in order to investigate the influence of a tsunami on the deep-sea bed. The lower part of the Peñalver Formation...
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