Arkeyaan,oo hore loo yiqiin Arkeyosoyig, waxay ahaayeen eonkajulooqikaka horBroterosoyigoo dhammaaday 2500 milyan oo sano ka hor. Xadkan looma go'aamin istraatigrafi ahaan ee waa qaab keronometerig ah. Meesha laga bilaabayo muddadan si rasmi ah uma aqoonsana Guddiga Caalamiga ah ee Istaraatiijiyadda, laakiin waxaa badanaa loo maleynayaa inay dhacday 3800 milyan oo sano ka hor, dhammaadka eonkaHadeyaan.Arkeyaan-yadu waxay ka kooban yihiin afar xilli, siday u kala horreeyaan: Eoarkeyaan, Balyuuarkeyaan, Mesoarkeyaan, iyo Neoarkeyaan.

Hadeyaan→Arkeyaan→Broterosoyig→Fanerosoyig

Dhacdooyinka Arkeyaan

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Badweynta cagaaran
Sameynta qaaradaha sare
Baraf badan oo ku yaal Antarktika

Tixraac

GeoWhen(firfircoonayn)
Archean

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