Related terms:
shale
beds
uplift
geologic
paleozoic
mesozoic
pliocene
glaciers
epoch
quaternary
cliffs
glaciation
glacial
warm
sandstone
ice age
fossils
million years
national monument
extinction event
forests
fauna
mammals
extinction
beginning
climate
million years ago
period
cooling
extinct
Wikipedia sources:
Cenozoic
Black Hills
Neogene
Mesozoic
Pliocene
Beachy Head
Ice age
Diatom
Colorado Plateau
Evolutionary history of life
Quaternary
Eocene
Tertiary
Context for words:
cenozoic
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