archean Urdu Meaning
Archean - Urdu Meaning and Translation of Archean , English Definition and more.
Urdu Meanings
iJunoon official Urdu Dictionary
(ارضِیات) قَدیمی چَٹانیں
( Arziat ) qadeemi chatanein
Definitions
English definition for archean
1. n. the time from 3,800 million years to 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life
2. s. used of the earliest known rocks
All in One
The Archean Eon (pronunciation: /ɑːrˈkiːən/, also spelled Archaean) is a geologic eon, 4,000 to 2,500 million years ago (4 to 2.5 billion years), that followed the Hadean Eon and preceded the Proterozoic Eon.
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