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Kirkland Lake Discoveries Commences Drilling at Hargreaves Historical Shaft and Follows-up on Jo Zone Footwall Intercept of 1.22 g/t Au over 74 m on KL West

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Toronto, Ontario--(Newsfile Corp. - November 19, 2024) - Kirkland Lake Discoveries (TSXV: KLDC) (OTC Pink: KLKLF) ("Kirkland Lake Discoveries" or the "Company") is pleased to announce the commencement of drilling at the Kirkland Lake Project on the KL West Property. Drilling will total approximately 1,500 m.

The fall 2024 drill program will be testing two areas:

  • Hargreaves Historical Shaft and Area

  • Jo Zone Footwall

Hargreaves Historical Shaft and Area

The Hargreaves shaft and area (Figure 1) is hosted by Timiskaming sediments and conglomerates intruded by feldspar porphyry. It is located in close proximity to the Kirkland Lake Main Break, the same structure and geology responsible for the mile of seven mines in Kirkland Lake that hosted over 28 Moz of gold. Hargreaves is a historical shaft that was sunk to 162 feet (49.4 m) in 1928. A crosscut to the vein was established in 1934 and in 1936 the shaft deepened to the 300-foot level (91.4 m). An eight-foot wide (2.44 m) south-dipping "vein" is said to have been intersected in underground development. Persistent rumours that high-grade gold was discovered cannot be substantiated (Sogemines' report, 1959). The area features a significant concentration of historical pits and trenches.

Figure 1 - Historical Hargreaves and Kirgood Shafts underlain with LiDAR, bedrock geology, IP anomalies, structures, soil samples, gold showings, historical drill holes and planned drillholes.

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Historical work on Hargreaves includes IP ground geophysical surveys, detailed geological mapping, soil sampling and surface sampling, but limited drilling. Only two drill holes from 1937 with limited lithological detail indicate mineralization of up to 10.94 g/t over 0.3 m. The location of these holes is questionable. Three additional holes in 1988, between 148-165 m long, were drilled west of the shaft along the Ed Hargreaves shear zone but were drilled south on south-dipping stratigraphy.

The mineralized vein that was subject of the underground development will be drill tested at depth below the bottom of the shaft. Additional drilling will also be testing:

  • the contacts between the felsic tuff, feldspar porphyry, and conglomerate as well as a potential D2 fold axis

  • multiple interpreted cross-cutting structures across three different lithologies, as well as the Hargreaves shear zone at depth

  • the intersection of two different foliations at depth to determine if there is a folding of the shear zone