Robuta

https://www.usgs.gov/publications/paleocene-and-maastrichtian-calcareous-nannofossils-clasts-pleistocene-glaciomarine
Site NBP0602A-9, drilled during the SHALDRIL II cruise of the RV/IB Nathaniel B. Palmer, includes two holes located in the northern James Ross Basin in the...
calcareous nannofossilspaleocenemaastrichtianclastspleistocene