Wldating com


15-Jul-2020 12:26

We suggest two plausible explanations for the origin of these unusually old zircons.During the opening of the Atlantic, sheared crustal material or delaminated continental lithosphere sank into small roll-like circulation cells that developed in the shallow mantle at each side of the ridge axis and the material was then transported through these cells to the ridge axis.

Chank 3la yamé ou yakhté warah dawa 7ali 3lik ana thnite lyome warah rta7 bali . ALALA AJI TKOUNI BENTI WSA9IYA TS9INA WLAWAD MAYDINA .

7mate lah wchkarto 9anone jdide tzad f bladi 7a9 lmra kayne w7a9 rajel lih msawi lmodawana kolchi bayne obiha ana radi tb9a 3lik w3liya wakha tkon fmelk lah 9adi lmra nassi tani bih n3ich 7iyati hani 3lach tkona m7goora wahiya om wladi 7a9 lmra kayne f din ou 7naya 3liha ghafline lmra 9rate o3ad khdmate ou bghat e 79o9ha kamline ……..