Mithril Resources Ltd (ASX:MTH) is pleased to advise that field work on its priority 100% - owned Billy Hills Zinc Project (located adjacent to the former Pillara Zinc Mine, 25kms east of Fitzroy Crossing WA) will commence this week.

Diversified explorer and near-stage producer, White Rock Minerals Ltd (ASX:WRM) in conjunction with its joint venture partner Sandfire Resources NL (ASX:SFR) is pleased to announce that its 2019 exploration program is now underway and drilling has commenced at the Company's globally significant Red Mountain high-grade zinc and precious metals VMS project in central Alaska.

Alt Resources Limited (ASX:ARS) advises that the closing date of its Share Purchase Plan (SPP) has been extended to 5.00pm on Friday, 7 June 2019 from the previous close date of 31 May 2019.

Lake Resources NL (ASX:LKE) (FRA:LK1) has announced today that high fluid flows of conductive brines under pressure have been intercepted in the diamond drillhole at Lake's 100% owned Cauchari Lithium Brine Project in Argentina

Emerging bauxite producer, Australian Bauxite Limited (ASX:ABX) considers its Binjour Project located 115kms southwest of Bundaberg Port to be the best source of gibbsite-trihydrate metallurgical-grade bauxite in Queensland that is suitable for low temperature alumina refineries and sweetener circuits in some high-temperature refineries.

Welcome to the 10th Annual General Meeting of shareholders of Australian Bauxite Limited (ASX:ABX).

Lithium development company, Lake Resources N.L. (ASX:LKE) provides a video interview with Finance News Network regarding the watershed moment of strong results at Lake's Cauchari Lithium Brine Project, Argentina and recent positive news in the lithium sector as discussed by Lake's Managing Director, Steve Promnitz.

Austar Gold Limited (ASX:AUL) has completed the initial first phase of resource definition drilling to identify the geometry of the controlling dyke and identify zones of mineralisation within the dyke at the Rose of Denmark mine capable of near term accessibility.

Emerging lithium miner Sayona Mining Limited (ASX:SYA) (OTCMKTS:DMNXF) announced today the appointment of experienced engineering consultancy BBA to review the Authier Lithium Project's mining plan and DFS, based on a sustainable approach that delivers genuine benefits to all stakeholders.

Minotaur Exploration Ltd (ASX:MEP) has entered into a binding conditional Term Sheet to sell its Scotia and Leinster Nickel assets in Western Australia to ASX listed Auroch Minerals Limited (ASX:AOU) for $1.5m in cash and shares.