Qaamuuska Asalka

waagii-mesosooik

(waayihii ..., m.l)
MagacLafdheeri

(jool.) Waagii dhexe ee nolosha, ahna midka labaad saddexda qaybood ee taxanaha waqti jiyolojiyeedka wixii ka dambeeyay kambiriyan-ka-horeeyaha: muddaddaas ka mid ah taariikhda dhulka ee u dhexeysa aayada baaliyosoyigga iyo saynasoyigga, waxay kala baxsantahay muddo ah 200 milyan ilaa 70 milyan sannadood ee tagtay.