Australian lithium mine developer Pacific Geoscience is entering the US market , with a recent report backing the development of a $ 500 million mining and processing facility in Nevada . A pre - feasibility study carried out by Amec Foster Wheeler supported the work at the company 's 100%-owned Rhyolite Ridge site , predicting production to start in 2021 . Rhyolite Ridge property, image provided by Global Geoscience Australia-based lithium-boron developer Global Geoscience (ASX: GSC) looks set to become a major player in the US for high-demand critical metals commodities, as the company enters the American market. It also estimated a minimum 30-year life span for the mine , producing 20,200 tonnes of lithium carbonate and 173,000 tonnes of boric acid per annum .
Australian lithium mine developer Pacific Geoscience is entering the US market , with a recent report backing the development of a $ 500 million mining and processing facility in Nevada . A pre - feasibility study carried out by Amec Foster Wheeler supported the work at the company 's 100%-owned Rhyolite Ridge site , predicting production to start in 2021 . It also estimated a minimum 30-year life span for the mine , producing 20,200 tonnes of lithium carbonate and 173,000 tonnes of boric acid per annum .