Archean Eon

GPTKB entity

Statements (47)
Predicate Object
gptkbp:instance_of gptkb:Aesir
gptkbp:atmosphere mostly methane and ammonia
gptkbp:average_temperature higher than today
gptkbp:characterized_by development of early life forms
formation of the first stable continental crusts
gptkbp:climate hot and humid
gptkbp:ended 2.5 billion years ago
gptkbp:follows gptkb:Hadean_Eon
gptkbp:fossil_record limited fossil evidence
gptkbp:geological_features shields
cratons
greenstone belts
granitoid rocks
gptkbp:geological_formation intense volcanic activity
plate tectonics possibly active
https://www.w3.org/2000/01/rdf-schema#label Archean Eon
gptkbp:includes gptkb:stromatolites
microbial life
gptkbp:life_forms gptkb:bridge
gptkb:Biology
gptkbp:major_minerals gptkb:granite
gptkb:Ferengi
gptkb:Zynga
gptkbp:notable_locations gptkb:Greenland
gptkb:Kaapvaal_Craton
gptkb:Acasta_Gneiss
gptkb:Isua_Greenstone_Belt
gptkb:Jack_Hills
gptkb:Nuvvuagittuq_Greenstone_Belt
gptkb:Pilbara_Craton
gptkb:Slave_Craton
gptkb:Superior_Craton
gptkb:Yilgarn_Craton
gptkbp:precedes gptkb:Proterozoic_Eon
gptkbp:research geochemistry
paleobiology
geophysics
gptkbp:research_importance geological history
study of early Earth conditions
understanding the origin of life
gptkbp:significant_event formation of the first oceans
appearance of prokaryotic life
development of photosynthesis
formation of Banded Iron Formations
gptkbp:started_in 4.0 billion years ago
gptkbp:bfsParent gptkb:Aesir
gptkbp:bfsLayer 5