Diatom Biostratigraphy and Antarctic Glacial History ThroughReworked and In Situ Microfossils
{'Code': '01020304', 'Directorate': {'Abbreviation': 'O/D', 'LongName': 'Office Of The Director'}, 'Division': {'Abbreviation': 'OPP', 'LongName': 'Office of Polar Programs'}}
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The study of glacially reworked sediments and microfossils is                   essential toward reconstructing the geologic and glacial history                of Antarctica.  Evidence from reworked Pliocene marine diatoms                  and fossil wood in the Sirius Group of glacial-sediments,                       throughout the Transantarctic Mountains, indicate a massive early               Pliocene destruction of the late Pliocene antarctic ice sheet,                  marine flooding of interior basins and polar warmth through the                 Pliocene.  The chief objectives of this project are to                          substantiate the suggested Pliocene deglaciation and to improve                 the resolution of Pliocene diatom biostratigraphy in antarctic                  interior basins, which will help date the reworked assemblages.                 The improved Pliocene diatom chronology will aid in determining                 the timing and magnitude of late Neogene ice-volume change and                  marine transgression; events which have implications for                        climatic, geologic, oceanographic and evolutionary biogeographic                studies within and beyond Antarctica and the Southern Ocean.
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[{'Code': '511200', 'Text': 'ANT Earth Sciences'}, {'Code': '511600', 'Text': 'ANT Glaciology'}]
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