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White Rock Minerals Announces 2019 Exploration Program Underway in Central Alska

Mining News - Published on Tue, 30 Jul 2019

Image Source: SteelGuru
White Rock Minerals Ltd announced an update on the 2019 exploration program underway at the Company's globally significant Red Mountain high-grade zinc and precious metals VMS project in central Alaska. There are already two high grade deposits at the Red Mountain Project, with an Inferred Mineral Resource of 9.1 million tonnes @ 12.9% ZnEq for 1.1 million tonnes of contained zinc equivalent. Summer field exploration activities commenced in late May with on-ground activities including surface reconnaissance mapping, surface geochemical sampling, ground electrical geophysics, downhole EM surveys and diamond drilling.

Final data from the 500km2 airborne electromagnetic geophysical survey, which was flown in April and May this year, has now been received and is being integrated with surface geochemistry to prioritise a number of identified VMS targets for drill testing.

Results from the AEM survey show a signature conductivity response at both of the two known high-grade massive sulphide deposits at Dry Creek and WTF. This knowledge is now being used to search for similar look alike responses elsewhere within the Company's tenement package.

With the more subdued conductivity response considered one of the distinguishing features associated with mineralisation versus the stronger conductivity response typically associated with graphitic units within the stratigraphic sequence. The graphitic unit at the base of the Sheep Creek Member is a distinctive marker horizon along the northern limb of the targeted syncline representing an equivalent horizon to that hosting the high-grade WTF massive sulphide mineralisation, where the Inferred Mineral Resource for WTF stands at 6.7Mt at 6.2% zinc, 2.8% lead, 189 g/t silver and 1.1 g/t gold for a grade of 14.4% ZnEq.

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Posted By : Rabi Wangkhem on Tue, 30 Jul 2019
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