Range chart of calcareous nannofossils in sediment core CRP-2A (Table 1), supplement to: Watkins, David K; Villa, Giuliana (2000): Palaeogene calcareous nannofossils from CRP-2/2A, Victoria Land Basin, Antarctica. Terra Antartica, 7(4), 443-452

David K Watkins & Giuliana Villa
Rare calcareous nannofossils from the Cape Roberts Project drillhole CRP-2A indicate that this area was episodically invaded by marginal oceanic surface waters during the late and late early Oligocene. These depauperate assemblages lack most of the biostratigraphic index fossils for the Oligocene, but do provide two datum that aid in constraining the age of the section: the last appearance datum (LAD) of Dictyococcites bisectus (23.9 Ma) at 149.28 mbsf and the LAD of Chiasmolithus altus...
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