archean eon
ar
ˈɑ:
aa
chean
kiən
kiēn
eon
i:ɒn
ion
Archean Aeon

Kahulugan at ibig sabihin ng "Archean Eon"sa English

Archean Eon
01

(geology) the eon of geological time extending from about 3.8 billion to 2.5 billion years ago, when Earth's crust formed and the earliest known life developed 

espesyalisado
impormasyong gramatikal
Mga Halimbawa
Earth's crust became more stable during the Archean Eon. 
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