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Great Boulder Resources Ltd.
Summary
| Project: | Yamarna JV | |
|---|---|---|
| Deposit: | Eastern Mafic | |
| Location: | Australia | |
| Commodities: | Copper-Nickel-Cobalt-Gold-Silver | |
| Date: | 4/24/2019 | |
| Report Code: | JORC | |
| Report Type: | Exploration/Drilling Update | |
| Project Stage: | Pursuing Resources Definition | |
| Report details: | 24-4-2019: Great Boulder Resources Ltd. announces an Exploration/Drilling Update report for its Eastern Mafic deposit at the Yamarna JV project. Drilling results incl. 8.0m @ 0.3% Cu, 0.1% Ni from 28.0m. Great Boulder Resources (ASX:GBR) is pleased to adv | |
| Resources: | x | |
| CP/QP: | [Overall Report]: Stefan Murphy (Internal) | |
| ABSTRACT: | Great Boulder Resources (ASX:GBR) is pleased to advise that drilling at the Eastern Mafic complex has intersected more copper-nickel sulphide mineralisation and identified several new bedrock conductors using a down-hole EM (“DHEM”) survey. The EIS co-funded drilling program was designed to test potential feeder structures to the mafic complex which may host higher-tenor nickel sulphide and to identify off-hole EM conductors that may represent massive sulphide accumulations. Drilling at the Zermatt and Cortina prospects identified new zones of sulphide mineralisation, extensions to known mineralisation and associated off-hole EM conductor plates. At Zermatt, the deeper diamond drill hole intersected several zones of low-grade copper and nickel mineralisation, with a large off-hole conductor identified to the south-east. A second diamond hole intersected shallow mineralisation and appears to have ended just above another mineralised zone, with a conductor plate located 20m below the end of the hole. A previously identified (but as yet untested) anomaly to the west of the main Eastern Mafic complex was drilled and returned a thick interval of low grade sulphide. This mineralisation appears related to EM conductors modelled from MLEM and the recent DHEM surveys. Some of these conductors are shallow (80m below surface) and have not previously been drill tested. Great Boulder is collating all assay and geophysical data to plan the next phase of RC and diamond drilling into the newly defined EM conductors at the Eastern Mafic. | |
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