White Rock Minerals kicks off airborne EM survey at Red Mountain

By Justin Ware. Published at Apr 26, 2019, in Mining

White Rock Minerals (ASX:WRM) has provided an encouraging announcement from its Red Mountain VMS Project in Alaska.

WRM, in conjunction with its JV partner Sandfire Resources NL (ASX:SFR), has commenced its comprehensive airborne electromagnetic (EM) geophysical survey on site.

The airborne EM survey signals the beginning of WRM’s extensive 2019 exploration program, which promises to be an exciting application of this modern technology.

The program is the latest step in identifying key drill targets at Red Mountain, after a successful drilling campaign in 2018 included intersections of 4.7m at 19.5% zinc, 7.8% lead, 466 g/t silver, 6.9 g/t gold and 1.5% cobalt.

WRM Managing Director Matthew Gill spoke on the announcement, “This is the first time that a modern technology time-domain airborne EM survey has been used at Red Mountain to explore for massive sulphide mineralisation.

“The previous survey done by the Alaskan government in the mid 2000’s used shallow looking frequency domain technology to map the surface geology.

“We are really pleased to be using a modern, high-powered technique over our 475km2 strategic belt-scale regional tenement package as the first step in our comprehensive exploration program for 2019,” he said.

The 3,000 line kilometres SkyTEM EM survey is capable of identifying conductivity anomalies to depths of 300 metres below the surface that could fast-track a significant new discovery.

The current exploration season will be the first in the JV partnership between WRM and Sandfire, with Sandfire having recently signed an earn-in and JV agreement to work with WRM on the dynamic Alaskan prospect.

Sandfire’s first year commitment includes a minimum of A$6M expenditure on the project, and a further A$14M over the following three years.

Gill said, “Having the technical and financial support of Sandfire Resources – a very successful explorer and developer of VMS deposits – is a strong endorsement to the quality and potential of our Red Mountain Project.

“The regional targets identified by this EM survey will form a key part of our comprehensive exploration program this field season. Other activities this season will involve using satellite spectral analysis, and on-ground geological reconnaissance and soil sampling.

“These activities will compliment planned electrical ground geophysics and a diamond drill program to follow-up the successful discovery at the Hunter prospect in 2018 and to test the best of the regional targets defined by this cutting edge multidisciplinary use of airborne EM.”

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