Ioneer Ltd.

NORTH SYDNEY, Australia, April 12, 2018 -- Global Geoscience Processing Overview October 2017 Mineral Resource Estimate October 2017 Mineral Resource Estimate Highlights Rapidly advancing 100%-owned Rhyolite Ridge Lithium-Boron Project in the USA towards development Latest results from ongoing optimisation of acid-leach testwork on Rhyolite Ridge lithium-boron mineralisation show leach time and recoveries can both be [...]

SYDNEY, Australia, March 19, 2018 -- Australian-based lithium-boron mine developer Global Geoscience Ltd. is pleased to advise that effective today the Company is now included in the S&P/ASX 300 Index. Global Geoscience is developing its 100% owned Rhyolite Ridge Lithium-Boron project located in Nevada, USA. The Company and Amec Foster Wheeler are working together on the Pre-Feasibility Study . The work is being carried [...]

Highlights Li & B Recoveries on a daily basis for Column 4 Latest results from ongoing optimisation acid-leach testwork on Rhyolite Ridge lithium-boron mineralisation show that reducing the crush size improves both leach time and recoveries: Column leach time reduced from 41 to 15 days – a 60% reduction Recoveries to solution increased to 97% for lithium and 98% for boron Vat leach testwork returned high recoveries [...]

NORTH SYDNEY, Australia, Jan. 23, 2018 --  Processing Overview October 2017 Mineral Resource Estimate October 2017 Mineral Resource Estimate HIGHLIGHTS Rapidly advancing 100%-owned Rhyolite Ridge Lithium-Boron Project in the USA towards development Updated Mineral Resource confirmed large tonnage of high-grade lithium-boron mineralisation from surface: High-grade lithium-boron portion doubled to 137 million tonnes at 0.9% lithium carbonate and 7.2% boric acid with 75% in the Indicated category Total Indicated and Inferred Resource increased 17% to 460 million tonnes at 0.9% lithium carbonate and 2.6% boric acid, containing 4.1 million tonnes of lithium carbonate and 11.9 million tonnes of boric acid Initial mining study confirmed potential for open pit mining at low strip ratios wi... [...]

NORTH SYDNEY, Australia, Jan. 16, 2018 -- Australian-based lithium-boron mine developer Global Geoscience Ltd. today announced the appointment of Amec Foster Wheeler as the engineering and design firm to complete the Pre-Feasibility Study for the Rhyolite Ridge Lithium-Boron Project in Nevada, USA. Amec is an industry leader in global mining solutions with a mining team consisting of more than 4,000 people. The Amec [...]

Highlights Figure 1: Average Strip Ratio and Mineable Quantity Figure 2: Plan showing outlines of two pit shells in relation to the current Mineral Resource and outcrop. The Resource remains open to the north, south and east. UTM Zone 11 . Figure 3: Long-section with pit shell progressions from north to south across the deposit. Figure 4: Average lithium and boron grades for each pit shell Figure 5: Average strip ratios [...]

Highlights Figure 1: Heap leach flowsheet Figure 2: Tall column containing 495kg sample that was leached for a total of 164 days with recoveries of 89% lithium and 89% boron Figure 3: Short column containing 150kg sample that was leached for a total of 41 days with recoveries of 92% lithium and 89% boron. Figure 4: Short column viewed from above Figure 5: Dripper coil is connected to grate Figure 6: Short column viewed [...]

NORTH SYDNEY, Australia, Nov. 27, 2017 -- Australian‐based mineral explorer and developer Global Geoscience Ltd. is pleased to announce the appointment of Mr. Matt Weaver as its inaugural Senior Vice President of Engineering and Operations, after an extensive four‐month global search process with the assistance of Spencer Stuart. Mr. Weaver will manage all engineering and operational aspects of the Company’s [...]

Global Geoscience provides the Company's latest Investor Presentation. Rhyolite Ridge Project Overview Large 100%-owned property - Sediment-hosted deposit - Similar mineralization in two basins - Mineralisation outcrops over 3 km strike length Indicated & Inferred Resource - Maiden Resource - Oct 2016 - Resource open to the N, S and E - 393Mt at 0.9% lithium carbonate (Li2CO3), 2.9% boric acid (H3BO3) High-Grade [...]

Global Geoscienc provides the Company's Quarterly Activities Report for the period ending 30 June, 2017. Highlights - Three new Directors provide key expertise to develop 100%-owned Rhyolite Ridge Lithium-Boron Project. - Metallurgical results confirm potential for Rhyolite Ridge to become a significant near-term producer of lithium and boron through low-cost acid-leach flowsheet using established technologies and [...]