March 28 (Reuters) -
* Lithium Americas and SQM announce joint venture
* Lithium Americas Corp says to enter into a 50/50 joint venture on Cauchari-Olaroz lithium project in Jujuy, Argentina
* Lithium Americas Corp says JV will go into effect following a capital contribution of $25 million by SQM in exchange for a 50 percent stake in Minera Exar S.A.
* SQM's contribution includes $15 million to repay intercompany loans between minera Exar and LAC; $10 million will be for project development Source text for Eikon: Further company coverage: