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Keywords: continental crust
gneiss
3
Acasta Acasta
2
Akilia
2
Arctic
2
Australasia
2
Australia
2
Continents
2
Greenland
2
Isua
2
Isua Greenstone Belt
2
Jack Hills
2
Oceans
2
Western Australia
2
Zircons
2
early Earth
2
oceanic crust
2
orogeny
2
plate boundary
2
tectonic evolution
2
zircon
2
Antarcti
1
Gondwana
1
Pan African orogeny
1
cumulate
1
feldspar
1
geochemistry
1
island arc
1
mafic rock
1
metabasite
1
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