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Geologic time units pronunciation guide

A pronunciation guide for geologic time units.

TermPronunciation
Archean/ɑːrˈkiːən/
Chaotian/keɪˈoʊʃən/
Cryptozoic/ˌkrɪptəˈzoʊɪk/
Hadean/ˈheɪdiən/
Phanerozoic/ˌfænərəˈzoʊɪk/
Precambrian/priːˈkæmbriən/
Proterozoic/ˌproʊtərəˈzoʊɪk/

A

Archean /ɑːrˈkiːən/

C

Chaotian /keɪˈoʊʃən/
Cryptozoic /ˌkrɪptəˈzoʊɪk/

H

Hadean /ˈheɪdiən/

P

Phanerozoic /ˌfænərəˈzoʊɪk/
Precambrian /priːˈkæmbriən/
Proterozoic /ˌproʊtərəˈzoʊɪk/

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