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31% increase in total resource tonnes with 72% now classified as Indicated

Thackaringa - Significant Mineral Resource Upgrade
Thackaringa - Significant Mineral Resource Upgrade
Sydney, Mar 19, 2018 AEST (ABN Newswire) - Cobalt Blue (ASX:COB) is pleased to announce a significant resource upgrade at the Thackaringa Project, located near Broken Hill, NSW. The global Mineral Resource estimate now comprises 72Mt at 852ppm cobalt (Co), 9.3% sulphur (S) & 10% iron (Fe) for 61Kt contained cobalt (at a 500ppm cobalt cut-off) - compared to the June 2017 Mineral Resource estimate (detailed in ASX release of 5 June 2017) the upgrade reflects a 31% increase in total tonnes and a 23% increase in contained cobalt.


- The new Mineral Resource estimate succeeds a substantial resource definition drilling program comprising some 74 holes for approximately 12,500m; the resultant improvement in geological confidence has supported the classification of approximately 72% of the Mineral Resource as Indicated.

- These results reflect the strong conclusion of our CY17 drilling campaign. COB has submitted the draft geological report to our JV partner (Broken Hill Prospecting) and has served formal notice that COB believes it has fulfilled its Stage One JV requirements. Looking forward, COB remains on schedule to deliver a Pre Feasibility Study (PFS) by 30 June 2018 and satisfy obligations under Stage Two of the agreement to secure 70% beneficial interest.

- Thackaringa remains on target to become a world class cobalt project with recent metallurgical testwork highlighting 88% cobalt recoveries from ore to payable product.

- Cobalt Blue remains focussed on completion of a maiden Ore Reserve estimate as part of PFS.

The updated Mineral Resource estimate at Thackaringa is apportioned to the three main deposits as detailed in Table 1 (see link below).

Thackaringa Project Timetable

COB remains on track to complete its PFS study for the Thackaringa Cobalt Project by 30 June 2018 and is pleased by the delivery of the Mineral ('Indicated') Resource upgrade - obligated under Stage One deliverables. Results to date continue to justify proceeding further along the pathway towards commercial development of the Thackaringa Cobalt Project.

The overall company timeline remains as below (see link below).

The Thackaringa district map (see link below) shows the proximity to Broken Hill, the supporting rail and road network, as well as the availability of both power and water utilities to support future production.

To view tables and figures, please visit:

About Cobalt Blue Holdings Limited

Cobalt Blue Holdings LtdCobalt Blue Holdings Ltd (ASX:COB) is an exploration and project development company focussed on green energy technology. Work programs are advancing to enable an upgrade of the Mineral Resource at the Thackaringa Cobalt Project in New South Wales to include Measured Resources.

Cobalt is a strategic metal in strong demand for new generation batteries, particularly lithium-ion batteries now being widely used in clean energy systems.

Potential to extend the Mineral Resource at Pyrite Hill, Big Hill, Railway and the other prospects is high. Numerous other prospects within COB’s tenement package are at an early stage and under-explored.



Joe Kaderavek
Chief Executive Officer
Cobalt Blue Holdings Limited
Ph: +61-2-9966-5629

Related Companies

Cobalt Blue Holdings Limited    
Broken Hill Prospecting Ltd    

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