An airborne magnetic survey has also provided important supporting information at
Drilling at the Burgundy porphyry target continues to encounter consistent copper and gold mineralization from surface, with a second, high-grade mineralized zone identified at the limits of drilling. These results provide further evidence of an extensive alkalic porphyry system with geological similarities to
Drilling has also significantly increased the potential scale and prospectivity of the
Highlights of New Assays Received include:
Burgundy:
BR22-17: 40.20m of 0.47% CuEq from 137.35m, within a broader interval of 91.00m of 0.35% CuEq from 118.00m
BR22-18: 7.13m of 0.74% CuEq from 35.75m as well as another zone of 27.75m of 0.32% CuEq from 191.47m
BR22-19: 10.45m of 0.84% CuEq from 194.55m, within a broader interval of 198.00m of 0.21% CuEq starting at surface
BR22-20: 16.05m of 0.84% CuEq from 120.10m, within a broader interval of 97.93m of 0.33% CuEq from 120.10m
BR22-21: 14.85m of 0.53% CuEq from 187.80m McLymont West:
MCW22-03: 21.75m of 0.36 g/t Au, 0.76 g/t Ag, and 0.02% Cu starting from surface. This includes 6.20m of 0.77 g/t Au, 1.21 g/t Ag, and 0.02% Cu from surface
It is clear wherever we encounter mineralization in drilling at Burgundy; the grades, predictability, and scale needed to make a project work in northwestern
Despite our exploration still being relatively shallow for the porphyry environment, we will now focus on completing the geological model to vector into the high-grade porphyry core, which is believed to be the source of mineralization at Burgundy.'
The program included 6 holes drilled at the
The program has demonstrated that: The Burgundy system is significant in size, with a current footprint of economic mineralization measuring approximately 400m x 600m; mineralization is open, particularly to the southwest, southeast, and at depth.
The controlling geology is complex, with numerous different styles of mineralization observed; the key to unlocking its value will be in building a robust geological model to target future drilling.
The program has enabled
The Company has previously discussed the importance of hole BR22-22 (see
Of significance in the new assays, reported here for the first time, are holes BR22-17, 19, 20, and BR22-21. BR22-17, 19, and 21 were drilled from a single drill pad located on the top of the ridge, approximately 200m northeast of BR21-01. They have identified a series of unique, chalcopyrite-dominant intrusions that appear to be sub-vertically orientated and occur relatively late in the system's paragenesis, potentially as a later syn-mineral event. Intense alteration has nearly destroyed the protolith; however, the alteration environment is accompanied by a disseminated chalcopyrite>pyrite sulphide assemblage that has not been encountered before at Burgundy.
Generally, increasing copper and gold grades appear to correlate with decreasing magnetic susceptibility towards the west-southwest. Downhole magnetic susceptibility data also supports these observations. Further drone coverage is necessary to understand the limits of Anomaly A. A large magnetically susceptible anomaly was also identified underlaying an approximate 200m x 500m outcropping of limestone at surface (Anomaly B). The source of Anomaly B is unknown currently.
Currently, the Company is focused on understanding the key structural and geological controls on porphyry mineralization at Burgundy and building a comprehensive 3D geological model through detailed re-logging of drill core at its core shack facility in
The exploration program for 2023 has yet to be finalised. Key objectives for Burgundy include identification of new porphyry centers, drilling step out holes to the southwest adjacent the newly discovered copper-rich zone, and deeper holes to test the size and continuity of the system.
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