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Aus Tin Mining Ltd.
Summary
| Project: | Mt Cobalt | |
|---|---|---|
| Deposit: | Mt Cobalt, Pembroke | |
| Location: | Australia | |
| Commodities: | Cobalt-Nickel-Copper | |
| Date: | 3/27/2019 | |
| Report Code: | JORC | |
| Report Type: | Exploration/Drilling Update | |
| Project Stage: | Pursuing Resources Definition | |
| Report details: | 27-3-2019: Aus Tin Mining Ltd. announces an Exploration/Drilling Update report for its Mt Cobalt, Pembroke deposit at the Mt Cobalt project. Drilling results incl. 28m @ 111ppm Co, 210ppm Cu 2359ppm Ni from 22m. The Directors of Aus Tin Mining Limited (t | |
| Resources: | (not mentioned in this report) | |
| CP/QP: | [Overall Report]: Brian Roach (Independent) | |
| ABSTRACT: | The Directors of Aus Tin Mining Limited (the Company) are pleased to provide the following update in relation to the Company’s Pembroke and Mt Cobalt projects. Pembroke (nickel‐copper‐cobalt) In January 2019 the Company completed a 425m drill hole (PEM029 Reverse Circulation (RC) / diamond tail) targeting a zone of previously untested elevated magnetic susceptibly that was thought to host sulphide mineralisation. As reported in January 2019 geological logs confirmed the presence of potential nickel and copper sulphides1 and assay and petrographic results now confirm elevated nickel, copper and cobalt over varying intervals. Native copper observed was found to be limited to isolated blebs disseminated in the rock matrix and nickel was confined to zones of fine pentlandite encased in extensive pyrrhotite veining. The entire drill hole was high in magnetite with a zone of more intense magnetite between two intervals of elevated sulphides identifying the source of elevated magnetic susceptibility that was the initial drill target. Petrological studies commissioned by the Company suggest the mineralisation in sulphides encountered isthe result of the influence of an intrusion at depth coinciding with the Black Snake Porphyry. Furthermore, elemental analysis shows reduction of Mg and increases in K, P, Ti and Al indicate the presence of altering fluids from an intrusive at depth. Assay results up to 1.085%Ni and 352ppmCo2 coupled with the orientation of sulphides observed in sections of diamond core3 and observation from the petrographic studies are indicative of radial fracturing concentrating sulphide mineralisation following mobilisation of minerals originating at depth through fluid pathways in the surrounding host. | |
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