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Pb/Pb
Geology
3
QE1-996.5
3
U/Pb
3
absolute age
3
Finland
2
granites
2
metavolcanic rocks
2
A-type granites
1
Ar-40/Ar-39
1
Ar/Ar
1
Archean
1
Atlantic Ocean
1
Brittany
1
Europe
1
France
1
Jurassic
1
Kola Peninsula
1
Kuhmo
1
Lapland Province
1
Lower Jurassic
1
Mesozoic
1
North America
1
North Atlantic
1
Northeast Atlantic
1
Paleoproterozoic
1
Pb-207/Pb-204
1
Pechenga
1
Phanerozoic
1
Proterozoic
1
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