Related terms:
eon
archean
crust
rocks
pangaea
archaean
pannotia
orogeny
plate
cenozoic
gondwana
silurian
laurentia
ediacaran
geologic
fossils
devonian
cambrian
paleozoic
ordovician
proterozoic
phanerozoic
formation
existence
carboniferous
supercontinent
multicellular
cambrian explosion
extinction event
billion years ago
Wikipedia sources:
Hadean
Archean
Precambrian
History of the Earth
Geological history of Earth
Evolutionary history of life
Context for words:
hadean
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