Distribution of calcareous nannofossils in Oligocene to Pleistocene sediments of the Southern Ocean, supplement to: Wei, Wuchang; Wise, Sherwood W (1992): Oligocene-Pleistocene calcareous nannofossils from Southern Ocean sites 747, 748, and 751. In: Wise, SW; Schlich, R; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 120, 509-521

Wuchang Wei & Sherwood W Wise
Detailed calcareous nannofossil range charts for the Oligocene-Pleistocene sections from high-latitude Ocean Drilling Program Sites 747, 748, and 751 in the southern Indian Ocean are presented in this report. Calcareous nannofossils are generally low in abundance in Pliocene-Pleistocene sediments, whereas they are very abundant throughout the Miocene and Oligocene. Species diversity, however, is low compared with assemblages in the lower latitudes. Nannofossil reworking is extensive in the middle Miocene at Site 751, less extensive in...
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