The property is located immediately north of the Kirkland Lake “Main Break” fault, which hosts several mines such as Agnico Eagle’s Macassa gold mine (6 Moz Au produced, and a mine reserve of 2.25 Moz Au (Agnico Eagle Annual Report, 2023),located 8 km to the east.

The geology of Grenfell is underlain by a thick sequence of sheared massive and pillowed mafic flows of the Wawa-Abitibi greenstone belt. These rocks host auriferous quartz-carbonate veins that are possible splays structures, likely associated with the Kirkland Lake “Main Break” fault. The veins are promising gold target zones, representing an entry point for Planet Green into this renowned gold district.