on announcements ASX,
i never ss this one, which i took from the asia miner
A NEW, previously unknown copper occurrence has been discovered by Golden Cross Resources in the course of detailed geological mapping, only 2km northwest of the company’s Copper Hill deposit in Central West New South Wales (NSW). The prospect, north of the town of Molong, has been named ‘Dash’.
The new Dash prospect is to the north of Golden Cross Resources’ Copper Hill project.
Mineralized float rocks containing malachite were observed over a strike length of 300 metres and follow-up work by Glenn Diemar has located outcrops of strongly silicified, altered volcanic rocks and inter-bedded limestone intruded by a small granodiorite stock. Pyrite and chalcopyrite is visible as disseminations and in thin veins in the outcropping material with abundant malachite in veins and coating fracture surfaces. Outcrops are small, up to one metre wide. Skarn-related mineralization may also be present in the sequence.
There are no old workings present in the area, the Copper Hill Induced Polarization (IP) survey did not extend far enough to reach this area and previous constraints on access prevented detailed soil sampling to be carried out here in the past. Golden Cross’ detailed airborne magnetics does, however, indicate continuation of the pronounced magnetic low extending more than 5km northward, from Vale Head, Lode 3, Copper Hill, Buckley’s Hill through Little Copper Hill and northwards through the Dash Prospect.
Samples from the first survey were sent for assay and petrography, and mineralized samples returned assays averaging 1.44% copper and in the range of 0.99% to 2.13% copper.
A petrographic report is in preparation but preliminary findings suggest that the strongly mineralized rocks contain considerable supergene malachite, as well as hematite, chalcocite and traces of azurite. The original rock could have been sedimentary, ranging between limestone and fine-grained sandstone with a volcanic component. Strong alteration to very fine quartz, illite-sericite, carbonate, hematite and sulphides evidently occurred, with subsequent supergene alteration.
The other, less well mineralized samples appear to range from limestone through volcaniclastic sandstone to coarse volcanic fragmental rocks of intermediate to mafic composition. Low grade alteration appears to be prevalent, including hydrothermal silicification and hematite development.
Golden Cross plans to sample the Dash prospect in more detail and an IP survey is planned prior to mounting a drilling program. The company is also planning a major 4800-metre deep drilling program at Copper Hill, with data review and re-logging of previous holes under way.
Meanwhile, Golden Cross has commenced a drilling program at the Burra project in western NSW. Drilling is being undertaken at the historic Burra Gold Mine and the nearby Block 51 prospect. The project is 40km east of Cobar and 5km south of Canbelego. A program of three core holes, from a six-hole proposal, has been approved by the Board.
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