Argentina · MiningKey Facts Debt closed US$220 million in new unsecured project debt for Cauchari-Olaroz, split US$50 million (June) and US$170 million (August). US$220 million in new unsecured project debt for Cauchari-Olaroz, split US$50 million (June) and US$170 million (August). Ownership split Minera Exar is 46.7% Ganfeng Lithium, 44.8% Lithium Argentina, 8.5% JEMSE (Jujuy state). Minera Exar is 46.7% Ganfeng Lithium, 44.8% Lithium Argentina, 8.5% JEMSE (Jujuy state). If you follow lithium in Latin America, you already know Cauchari-Olaroz lithium is one of the biggest brine plays in the region.