Our TNM Drill Down features highlights of the top gold assays of the past week (Nov. 17-24). Drill holes are ranked by gold grade x width, as identified by data provider Mining Intelligence.
This week’s top drill assays come from the U.S., Canada and Australia.
Kinsley Mountain in Nevada
CopAur Minerals (ASX: CPAU) reported the week’s best drill result on Nov. 17 when it released the latest round of assay results from the Kinsley Mountain project in Nevada. Hole KMD23-02 returned 32.3 metres grading 15.28 grams gold per tonne from 254.5 metres depth for a width x grade value of 494.
The hole is part of an infill drill campaign on the WFZ deposit and includes a higher-grade intersection of 10.7 metres grading 24.1 grams gold.
Combined with 2020 drilling results that returned multiple near-surface oxide and high-grade sulphide gold hits, the company’s drill work confirms the continuous and high-grade nature of the Secret Canyon style of shale-hosted sulphide gold mineralization the company is looking for.
WFZ is still open to the north, west, and east. CopAur says it’s keen to drill the deposit further.
Kinsley Mountain is a Carlin-type gold project, hosting an indicated resource of 4.95 million tonnes at 2.63 grams gold per tonne for 418,000 oz. of metal, including a higher-grade portion of 302,000 oz. at 6.11 grams gold. The infierred resource entails2.44 million tonnes at 1.51 grams gold for 117,000 oz. metal.
Historically, from 1995-1999, the Kinsley project produced 138,000 oz. of open-pit oxide gold.
Treaty Creek in Canada
The Treaty Creek joint venture in B.C., owned 60% and operated by Tudor Gold (TSXV: TUD), and 20% owned each by American Creek Resources (TSXV: AMK) and Teuton Resources (TSXV: TUO) produced the week’s second-best assay result. On Nov. 21, the companies announced that hole GS-23-179 cut 525 metres grading 0.85 gram gold per tonne from 1,041 metres depth for a width x grade value of 446.
GS-23-179, a 200-metre step-out hole, has significantly expanded the mineralized area, with the CS-600 system showing strength and high gold values. The hole reveals consistent gold-copper-silver mineralization over wide intercepts.
The upper part of this interval features a high-grade section, part of a widespread quartz stockwork system. This system includes 12 metres grading 10.07 grams gold equivalent per tonne at the top of a 223.5-metre section averaging 1.42 grams gold equivalent.
A 12-metre, high-grade gold segment in hole GS-23-179 lies over 300 metres northeast of a similar high-grade intercept in hole GS-23-134.
More drilling is needed to fully assess this new stockwork zone, which the Tudor team believes is a late-stage addition to the CS-600 Domain.
KCGM in Australia
This week’s third-best assay came from Northern Star Resources (ASX: NST) at the Kalgoorlie Consolidated Gold Mines (KCGM) operations in Western Australia. The company reported on Nov. 21 that hole DKUD033 cut 88.1 metres grading 4.5 grams gold per tonne from 304.9 metres depth for a width x grade value of 396.
The interval included a higher-grade intercept of 11.8 metres at 31 grams gold. The hole was drilled in the Duke deposit of the Mt Charlotte underground mine.
The Golden Pike Fault separates Duke from the Maritana Orebody to the north while it remains open to the south. Duke contains shear-hosted, Fimiston-style, and late-extensional veining elements associated with Mt Charlotte stockwork-style mineralization.
This mineralization, the company says, lies within a southward plunging anticline. The Williamstown Dolerite hosts the most developed stockwork mineralization, and the adjacent Devons Consols Basalt contains the Fimiston-style mineralization.
Recent underground drilling targeting both mineralization styles has yielded encouraging results at the early-stage prospect.
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