Browsing by Subject "Tertiary Geologic Period"
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(Texas A&M University. Libraries, 1989)Biostratigraphy, diversity, and oxygen and carbon isotopes are determined for calcareous nannoplankton from four sections of Cretaceous-Tertiary boundary interval sediments on Walvis Ridge in the South Atlantic (DSDP Sites ...
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(Texas A&M University. Libraries, 1990)The cause of the Cretaceous-Tertiary (K/T) transition remains one of the most controversial scientific topics in the geosciences. Paleontologic, mineralogic, geochemical, and geophysical evidence associated with the K/T ...