Our TNM Drill Down feature highlights the top gold assays of the past week. Drill holes are ranked by gold grade x width, as identified by our sister company Mining Intelligence.
This week’s top three drill assays come from North America. HighGold Mining’s (TSXV: HIGH) Johnson Tract project in Alaska delivered the top intercept. Hole JT22-152 cut 120.5 metres grading 18.76 grams gold per tonne from 207.6 metres depth, for a width x grade value of 2,261. According to HighGold, the intersection is the best yet drilled on the project. It demonstrates “exceptional” continuity of “very high-grade” mineralization, with gold grades locally exceeding the resource block model that it intersects, according to the company’s Nov. 29 press release. The JT deposit consists of a thick, oblate body of stockwork veining and breccia. The area of the mineral deposit tested by this hole would be the first area accessed in a conceptual underground mining scenario involving horizontal ramp access from a valley floor adit. In addition to documenting higher-grade gold, the northeast orientation of drill hole JT22-152 has also allowed HighGold to test – and confirm – that a cross-fault bounds the southern edge of the JT Deposit.
The second-best drill assay of the week comes from Alamos Gold’s (TSX: AGI) Island gold mine in Ontario, where hole 770-467-12 returned 3.1 metres grading 525.8 grams gold per tonne from 12.1 metres depth for a width x grade value of 1,604. The hole was part of a batch of surface and underground exploration drill results released on Nov. 29, that highlight the mine’s exploration upside, not only laterally and at depth, but within newly defined sub-parallel structures in the hanging wall (B, G, and G1 zones). According to the company, these sub-parallel zones are close to existing underground infrastructure and have potential to add near mine reserves and resources. Hole 770-467-12 was drilled in the B-zone of the hanging wall.
The third-best intercept of the week came from New Found Gold (TSXV: NFG) and its Queensway project in Newfoundland. Hole NFGC-22-960 returned 32 metres grading 42.64 grams gold per tonne from 145 metres depth for a width x grade value of 1,364. On Dec. 5, the company reported the results from six holes in the emerging Appleton Fault Zone, immediately north of the Keats Zone. These assays from the west side of the Appleton fault running northeast through the province just west of Gander compare with the first Queensway hole, which was drilled at the Keats area on the east side of the same fault in 2019, and returned 19 metres grading 92.9 grams gold.
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