SYDNEY, Australia, Oct. 25, 2018 (GLOBE NEWSWIRE) — Australian-based lithium-boron developer Global Geoscience Limited (“Global” or the “Company”) (ASX: GSC) is pleased to announce the outcomes of the Pre-Feasibility Study (“PFS”) for the 100%-owned Rhyolite Ridge Lithium-Boron Project (“Project”) in Nevada, USA.  The PFS was conducted by independent and globally recognized engineering firm Amec Foster Wheeler (“AFW”, part of Wood plc). The PFS results affirm the Project’s scale, globally competitive forecast cash operating costs, robust operating margins, long life and exceptional economic returns – highlighting its capacity to take full advantage of the current and future expected demand for lithium and boron raw materials over the coming decades. The Project will be a globally significant producer of both lithium and boron and the largest lithium producer in the United States. The PFS involved a high-level assessment for throughput options ranging from 1.5 to 3.6 Mtpa and initial capital expenditure of US$421 to US$674 million. Processing throughput is effectively determined by the capacity of the sulphuric acid plant. Two cases were selected for detailed assessment and...