Kambriyaan ka hor

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Temagami greenstone belt pillow lava.jpg

Kambriyaan ka hor (Af-Ingiriisi: Precambrian) oo la soo gaabiyo (), waxaana mararka qaarkood loo yaqaannaa xilliga Kribtozoyik (Af-Laatiin: Cryptozoic). Waa xilliga ugu da'da weyn taariikhda dhulka, oo lagu qeexo ka hor da'da injiilka. Da'dan waxaa loogu yeeraa magacan sababtoo ah waxay ka horreysay Kambriyan, waagii ugu horreeyay ee Waagii barwaaqada, kaas oo loogu magac daray magaca Laatiinka ee Wales (Kambriya), sababtoo ah dhagaxyada qarnigan ayaa markii ugu horreysay lagu bartay halkaas. Precambrian-ku wuxuu u taagan yahay 88% wakhtiga juqraafiga dhulka, maadaama uu ka soo kordhay ≈ 4600 ilaa 541 ± 1.0 milyan sano ka hor, muddo ku dhow 4059 milyan sano.

Sawir[wax ka badal | wax ka badal xogta]

Late Precambrian Noonday Formation.jpg


StadtmuseumBerlin GeologischeSammlung SM-2012-4232.jpg

Tixraac[wax ka badal | wax ka badal xogta]