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Eoarchean
1
Isua supracrustal belt
1
Keywords: banded iron formation
1
Phanerozoic
1
Precambrian
basalt
1
breccia
1
chemical reaction
1
chemical weathering
1
continental crust
depositional environment
1
early atmosphere
faint early Sun
1
ice cap
1
igneous rock
1
sedimentary rock
1
storm deposits
1
structural analysis
1
supracrustal rock
1
volcanic rock chemical weathering
1
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