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Archean
second eon of the geologic timescale, spanning from around 4.031 to 2.5 billion years ago
Details
- Start time
- 4031000000 BCE
- End time
- 2500000000 BCE
- Has parts
- Eoarchean, Paleoarchean, Mesoarchean, Neoarchean
- Follows
- Hadean
- Followed by
- Proterozoic
- Said to be the same as
- Q11039569
- described by source
- Brockhaus and Efron Encyclopedic Dictionary, Small Brockhaus and Efron Encyclopedic Dictionary, Granat Encyclopedic Dictionary, Encyclopædia Britannica 11th edition, Armenian Soviet Encyclopedia, vol. 2, Meyers Konversations-Lexikon, 4th edition (1885–1890)
- IPA transcription
- /ɑːrˈkiːən/
- sRGB color hex triplet
- F0047F
- topic has template
- Q100870042
- topic's main category
- Category:Archean
Connected on Wikidata
Subject of
- 1911 Encyclopædia Britannica/Archean System
- The New International Encyclopædia/Archæan System
- Workshop on a Cross Section of Archean Crust: Field Guide and Abstracts Presented to the 1983 Archean Geochemistry--Early Crustal Genesis Field Workshop
- Workshop on the Archean Mantle
- Workshop on Early Crustal Genesis--the World's Oldest Rocks
- Abstracts presented to the workshop Early Crustal Genesis, the World's Oldest Rock
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