▁First ▁Republic ▁ ▁References ▁K ad una ▁State ▁deleg ation ▁to ▁the ▁National ▁Assembly ▁of ▁Niger ia ▁ ▁Category : K ad una ▁State ▁Category : National ▁Assembly ▁( N iger ia ) ▁deleg ations ▁by ▁state <0x0A> </s> ▁The ▁St urt ian ▁gla ci ation ▁was ▁a ▁gla ci ation , ▁or ▁perhaps ▁multiple ▁gla ci ations , ▁during ▁the ▁Cry ogen ian ▁Period ▁when ▁the ▁Earth ▁experienced ▁repeated ▁large - scale ▁gla ci ations . ▁The ▁duration ▁of ▁the ▁St urt ian ▁gla ci ation ▁has ▁been ▁various ly ▁defined , with ▁dates ▁r anging ▁from ▁ 7 1 7 ▁to ▁ 6 4 3 ▁Ma . ▁Stern ▁et ▁al . ▁place ▁the ▁period ▁at ▁ 7 1 5 ▁to ▁ 6 8 0 ▁Ma . ▁ ▁According ▁to ▁E yles ▁and ▁Young , ▁" G la ci ogen ic ▁rocks ▁figure ▁prom in ently ▁in ▁the ▁Ne opro ter oz o ic ▁strat ig raph y ▁of ▁sout he astern ▁Australia ▁and ▁the ▁northern ▁Canadian ▁Cord ill era . ▁ ▁The ▁St urt ian ▁gla ci ogen ic ▁succession ▁( c . ▁ 7 4 0 ▁Ma ) ▁un con form ably ▁over lies ▁rocks ▁of ▁the ▁Bur ra ▁Group ." ▁The ▁St urt ian ▁succession ▁includes ▁two ▁major ▁diam ict ite - m ud stone ▁sequences ▁which ▁represent ▁gla cial ▁advance ▁and ▁retre at ▁cycles . ▁It ▁is ▁strat ig raph ically ▁correl ated ▁with ▁the ▁Rap itan ▁Group ▁of ▁North ▁America . ▁ ▁The ▁St urt ian ▁is