Deep drilling beneath Antarctic ice reveals signs that the region was once an open ocean millions of years ago.
Researchers have drilled the deepest Antarctic sediment core ever, uncovering 23 million years of climate history beneath the ice sheet.
A deep Antarctic drill recovers sediments dating back 23 million years, offering rare insight into how ice sheets respond to global warming.
Geologists from St. Petersburg State University, as part of an international scientific team, have analyzed rock data from ...
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