Abstract
The history and behavior of Antarctic ice sheets over millions of years is increasingly of interest as the rising carbon dioxide levels of today exceed any in the ice core record of the last 0.4 m.y. Yet the changes and events that formed these ancient ice sheets are not well understood. A record of these changes lies in sedimentary strata around the Antarctic margin, and such changes have been the focus of a coordinated effort at the Antarctic margin to acquire seismic and drill core data that are needed to derive and model paleoenvironments of the past 65 m.y. The effort is being led by the Antarctic Offshore Stratigraphy Project (ANTOSTRAT), a group that works under the aegis of the Scientific Committee on Antarctic Research (SCAR).
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