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Barra Resources Ltd.
Summary
| Project: | Mt Thirsty | |
|---|---|---|
| Deposit: | Mt Thirsty | |
| Location: | Australia | |
| Commodities: | Cobalt-Nickel | |
| Date: | 9/9/2019 | |
| Report Code: | JORC | |
| Report Type: | Resource Estimation | |
| Project Stage: | Pursuing Resource Increase/Upgrade | |
| Report details: | 9-9-2019: Barra Resources Ltd. announces a Resource Estimation report for its Mt Thirsty deposit at the Mt Thirsty project. Updated mineral resource estimate for project. The Mt Thirsty Cobalt Nickel Project is located 16km northwest of Norseman, Western | |
| Resources: | (Resource, I+I): 26.9Mt @ 0.117% Co, 0.52% Ni at Mt Thirsty | |
| CP/QP: | [Resources]: David Reid (Golder Associates) | |
| ABSTRACT: | The Mt Thirsty Cobalt Nickel Project is located 16km northwest of Norseman, Western Australia. (Figure 1). The project is jointly owned by Barra Resources Limited and Conico Limited, together the Mt Thirsty Joint Venture (MTJV). The Project contains the Mt Thirsty Cobalt-Nickel Oxide Deposit that has the potential to emerge as Australia’s next cobalt producer. The MTJV is progressing a Pre-Feasibility Study (PFS) on the project. The Mt Thirsty Cobalt Deposit is hosted in a strongly weathered ultramafic peridotite rock located between a sediment-ultramafic-basalt sequence to the west and a thick gabbro-pyroxenite unit to the east. Weathering and supergene enrichment processes have produced the deposit which is enriched in cobalt, nickel and manganese. The manganese and cobalt contents are particularly high compared to most nickel oxide deposits located in Western Australia. The mineralisation typically starts from near surface to around 12 meters below the surface where goethitic clays are present with an iron composition of around 30%. Deeper down the colour of the goethitic clays darken as the asbolane (manganese oxide mineral) content increases. This darkening marks the start of the cobalt enriched, high-grade portion of the deposit. Further down, the goethitic iron oxide colouring or dark colouring due to the asbolane diminishes with greenish nontronite and serpentine minerals becoming dominant (lower saprolite). Near the bottom of the lower saprolite zone, chalcedonic banding is common. High-grade cobalt is almost always associated with dark asbolane. | |
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