▁from ▁the ▁depos its ; ▁most ▁of ▁them ▁feature ▁either ▁p um ice ous ▁or ▁sc oria ce ous ▁py ro cl astic ▁flow ▁depos its ▁with ▁varying ▁contents ▁of ▁ju ven ile ▁lap illi , ▁l ith ics ▁and ▁ash ▁fall ▁depos its . ▁ ▁The ▁Mor aga ▁sequence ▁was ▁formed ▁ 1 2 , 7 2 0 ▁ ± ▁ 4 0 ▁- ▁ 1 2 , 6 9 0 ▁ ± ▁ 4 0 ▁years ▁before ▁present ▁during ▁one ▁rather ▁prolong ed ▁er u ption . ▁ ▁The ▁P ual a ▁sequence ▁was ▁formed ▁ 1 0 , 2 4 0 ▁ ± ▁ 4 0 ▁years ▁before ▁present . ▁ ▁The ▁T ran c ura ▁sequence ▁was ▁formed ▁ 8 , 6 8 0 ▁ ± ▁ 4 0 ▁years ▁before ▁present ▁and ▁has ▁a ▁similar ▁composition ▁to ▁the ▁Av ut ard as ▁sequence . ▁ ▁The ▁Car én ▁sequence ▁was ▁formed ▁ 3 , 8 0 0 ▁ ± ▁ 3 0 ▁years ▁before ▁present . ▁ ▁The ▁Cor rent oso ▁sequence ▁was ▁formed ▁ 2 , 9 3 0 ▁ ± ▁ 3 0 ▁years ▁before ▁present . ▁ ▁The ▁T ran cas ▁Neg ras ▁sequence ▁was ▁formed ▁ 2 , 0 6 0 ▁ ± ▁ 3 0 ▁years ▁before ▁present . ▁ ▁The ▁P ues co ▁sequence ▁was ▁formed ▁ 1 , 6 5 0 ▁ ± ▁ 7 0 ▁years ▁before ▁present , ▁during ▁the ▁largest ▁known ▁er u ption ▁of ▁Qu et rup