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Related articles:
Hadean
Craton
Proterozoic
Canadian Shield
Archaea
Bacteria
Key terms: rocks archean eon earth known ga heat geology formation today mafic iron present felsic hadean geologic activity older fossils igneous volcanic craton formed metamorphic sediments existed evidence archaean proterozoic prevented beginning archean rocks throughout sedimentary may have been plate tectonic Search external links cited by footnotes on Wikipedia page Archean: |
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