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Excavation
2
Antarctica
1
EXC
1
Heidemann Valley
1
Heidemann_VT
1
IPY
1
International Polar Year (2007-2008)
1
International Polar Year 2007-2008 IPY
1
Sørsdal Glacier
1
Vestfold Hills
1
amino acid racemization dating
1
diatoms
1
foraminifera
1
magnetic polarity
1
origin
1
trench excavation
1
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