THE DRILL SERGEANT: St George Mining (ASX: SGQ) has identified multiple new targets for nickel-copper sulphides at the company’s high-grade Mt Alexander project in the north-eastern Goldfields of Western Australia.
St George Mining explained that earlier ground-based EM surveys completed along the Cathedrals Belt had identified shallow EM conductors that resulted in subsequent nickel-copper sulphide discoveries at Stricklands, Investigators, Cathedrals and Radar.
However, the ground-based EM surveys were of limited effectiveness at West End because of the conductive cover to the west of Investigators.
The company has now completed a high-resolution ground gravity survey over West End and Investigators that has provided new data that supports the prospectivity of the area for nickel-copper sulphides.
“The results of the gravity survey are very exciting and could provide a great advance in the targeting of nickel-copper sulphides in the Cathedrals Belt,” St George Mining executive chairman John Prineas said in the company’s ASX announcement.
“A number of the gravity features are compelling drill targets for massive sulphides.
“These gravity highs are located within the interpreted trend of the mineralised intrusive host unit, an ideal location for dense massive sulphides.
“The concurrent use of downhole EM and drilling is continuing to provide a vector to mineralisation at depth.
“The multiple EM plates modelled around the new high-grade discovery in MAD199 support the potential for further high-grade mineralisation in this area.”
St George indicated an additional drill program is being planned to test the new gravity features.
The targets are in areas with no previous drilling, which requires earthworks and access routes to be prepared prior to drilling, requiring approval of a new Program of Works.
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