TheorySerpentinites vs Carbonatization
According to Ayer and Trowell (geologists for the Ontario Geological Survey), the rocks along the northeastern side of the Link Catharine property, where the high chargeability anomalies are, are underlain with high magnesium tholeiites (Map P. 3425). The latter can be very close to being a komatiite in composition. In either case, they are magnetic, and in due course, there will have been some serpentinization (alteration) having taken place. In my experience, I have found serpentinites to be somewhat conductive to various degrees. With the introduction of hydrothermal fluids into the surrounding structures, carbonatization takes place, interacting with the surrounding rocks. As this process is taking place, the magnetite in the rocks are becoming more carbonated, which lowers the magnetite level.
Thus, in the Link Catharine property, if the magnetic intensity has been lowered in the tholeiitic rocks, but the serpentinization has still maintained a reasonable level, it should still be a good conductor. If we assume that the major EW fault zone going through the area of the large magnetic low was a major pathway for the majority of the hydrothermal fluids, then the area nearest to the high magnesium rocks, with respect to this fault, will be most affected. In this case, it's the area of the lowest magnetic intensity. Now it's a case of seeing if any gold has been deposited here!!
Taken from an article that I read, "Previous measurements of electrical conductivity of natural serpentinites of the Indian Oceanic ridge has shown an extremely high conductivity compared to the unaltered peridotites [Stesky and Brace, 1973] Oct. 30 2012.
This is just my theory, right or wrong!!