White Rock identifies Fosters lookalike mineralisation
White Rock Minerals Ltd (ASX:WRM) informed the market on Tuesday that the last hole drilled at the end of its Red Mountain Project October campaign (DC19-96) successfully intersected mineralisation with 1.4 metres including massive sulphide containing abundant sphalerite (zinc sulphide) located within stratigraphy equivalent to the Fosters lens.
There are already two high grade deposits at the Red Mountain VMS project in Alaska, with an Inferred Mineral Resource of 9.1 million tonnes at 12.9% zinc equivalent for 1.1 million tonnes of contained zinc equivalent at Dry Creek and WTF (West Tundra Flats).
Drill hole DC19-96 tested an aggressive 200 metre plus down-dip step out from the known high-grade zinc – silver – lead – gold mineralisation of both the Fosters and Discovery lenses at the Dry Creek deposit.
Drilling was then terminated due to poor ground conditions and the end of the field season corresponding with the onset of winter.
As shown below, the drill hole intersected a chert horizon correlating with the hanging wall position to the lower Discovery lens of massive sulphide mineralisation, leaving the Discovery lens potentially ahead of the drill hole path and untested.
Drill hole DC19-96 targeted down-dip from historic drill holes DC19-66 and DC19-52 that contained significant mineralisation intersected in both the Fosters and Discovery lenses, as shown in the following table of assay results from historical drilling at Dry Creek.
This most recent news builds on other data that provides confidence in delineating extensions to existing mineralisation and/or new discoveries as exploration continues.
It is worth noting that nine of the 24 holes drilled in the 2018 program returned zinc equivalent grades in excess of 10% with three of these greater than 35% equivalent.