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White Rock Minerals new geochemical anomalies identified

Mining News - Published on Thu, 06 Dec 2018

Image Source: steelguru.com
White Rock Minerals Ltd announced that it has identified a number of high priority geochemical anomalies within its recently expanded 100% owned Red Mountain high-grade zinc - silver - lead - gold - copper volcanogenic massive sulphide Project in Alaska.

Highlights:
- A detailed regional stream sediment survey identifies 8 high priority geochemical targets for follow-up.
- Strong base metal anomalism up to 1.1% zinc in streams indicates high prospectivity for outcropping massive sulphides.
- Strong precious metal and other pathfinder elements detected.
- Target areas cluster in two distinct areas; west of the known mineralisation at Dry Creek (the southern limb of the Bonnifield syncline) and in the Glacier Creek area with strong sulphide footwall alteration on the northern limb of the Bonnifield syncline.

During the 2018 field season White Rock completed a detailed regional stream sediment program over prospective stratigraphy within the Red Mountain project area. This part of the comprehensive 2018 exploration program was optimised based on the geochem orientation survey completed across known mineralisation at Dry Creek. This "calibration" provided a geochemical signature of base metal and precious metal elements together with other pathfinders to use for future exploration of the VMS prospective stratigraphy on both the northern and southern limbs of the regional Bonnifield syncline.

This 2018 reconnaissance program identified a number of extensive alteration features for future exploration. Some of these extend on surface for several kilometres of strike. The results from the regional stream sampling program have successfully highlighted 8 priority anomalies within the area of alteration (Figure 1 in link below), providing areas for immediate focus through follow-up ground reconnaissance, surface sampling and the application of electrical geophysics prior to drill targeting.

The significance of some of the geochemical anomalies is illustrated by the tenor of anomalism with one stream sample returning 1.1% Zn in an area towards the top of the VMS prospective stratigraphy to the west of the Dry Creek deposit. No previous exploration has prospected the immediate catchment area indicating how prospective the immediate surrounds remain.

In addition, the area of the northern limb known as Glacier Creek displays footwall sulphide alteration that extends for over 10km of strike. The stream sediment survey has identified 4 discrete high priority targets within the area of alteration. Follow-up work will now be able to focus on these discrete areas of anomalism to enable rapid advancement to drill testing in 2019.

CEO Mr Matt Gill said "We recently expanded our tenement footprint three-fold, to now hold a strategic land package of some 475km2. This expansion follows a successful first year of field activities for White Rock where drilling intersected multiple high-grade intervals of zinc-silver-lead-gold-copper mineralisation at Dry Creek and West Tundra (ASX Announcements dated 18 June 2018, 4 July 2018 and 20 August 2018). With some drill hole results returning in excess of 17% zinc, 6% lead, 1,000 g/t silver, 6 g/t gold and 1.5% copper, the 2018 field season also saw three reconnaissance crews out in the field mapping and sampling. The culmination of this work encouraged White Rock to expand its strategic tenement holding to take in more of what has been identified as a highly prospective geological setting.

Source :

Posted By : Nanda Koijam on Thu, 06 Dec 2018
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