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Nathan Tribble
VP Exploration
Rosor has helped our exploration efforts both on the ground and with the drill bit utilizing their drone-borne surveys. They communicated effectively throughout the work program and processed the data within our tight time frame. We enjoy working with the team and look forward to using them again.
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Project
Larder Lake Project
Location
Larder Lake, Ontario, Canada
Methods
Drone-borne Magnetics and Lidar
Anomaly Type
Subsurface Gold Deposits
Background
Located about 35 km east of Kirkland Lake, Ontario is the Larder Lake Project, a large-scale prospective area owned by Gatling Exploration (“Gatling”). The Larder Lake Project contains five prospective areas for further development that lie along the Larder Lake-Cadillac Deformation Zone, which is host to many high-grade gold deposits including the Kirkland Lake deposit and Kerr- Addison-Chesterville deposit. All five areas have been previously explored, with the Cheminis deposit having been actively explored since 1937. Since Gatling has owned the area in 2018, there has been additional exploration work including collected a fixed-wing Lidar survey to create a 3 m-resolution digital elevation model, a sampling project, and extensive drilling with 134 drillholes for a total of 57,556 m.
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Gatling approached Rosor Exploration to produce a high-quality, high-resolution magnetic dataset to expand Gatling’s current knowledge of the Larder Lake-Cadillac Deformation Zone, more specifically the Larder Lake Break. The Larder Lake Break is the dominant belt of volcanics and metamorphised sediments that marks the boundary between the Abitibi Superior Province to the north, and the Timiskaming Assemblage to the south. Due to the swampland nature of Northern Ontario, outcrops are few and far between, meaning it is crucial to get subsurface data by cost-effective means.
Outcome from Survey
Rosor completed a large-scale drone-borne LiDAR and magnetic survey across the Larder Lake Project, inclusive of a full geophysical interpretation to advance Gatling's understanding of the property and support ongoing exploration. The survey delivered a marked improvement in magnetic resolution over the OGS Abitibi Supergrid (Figure 2), resolving structures and anomalies that had not been visible in the regional dataset. The geophysical interpretation successfully delineated major structures and potential mineralized bodies across the property (Figure 3), with inversion models mapping the approximate distribution of magnetic bodies throughout the area (Figure 4).
The full suite of delivered products, including the ranked priority areas, strengthened Gatling's drilling targets, informed site selection for the 2024 field season, and provided a foundation for planning future exploration programs.
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