With all due respect, you hit the nail on the head with your quote from the Big Score.........The conductive ore beneath their feet had been so rich that it sucked all the energy out of the electomagnetic signal.
What if the survey was not directly overhead??....maybe 50m to either side......a weaker anomaly perhaps! Airborne and ground surveys have fixed survey lines, and if a conductive body lies bewteen the lines, guess what happens. First priority targets will be those which give the "best" responses and hence will be the first drilled. Secondary and other targets still have potential! A good example, is the intial discovery of the Montcalm Ni deposit, west of Timmins.....just lucky that a flight line was immediately above the deposit and right at the end of the line!!
I still maintain that NOT should not abandon those secondaries and others, by focussing on the Eagles Nest exclusively. How about Au around AT4?? But, alas, Wes has stated that their focus is on production, not exploration.
Respectfullly submitted
geoprof
P.S. Please excuse all the bold......couldn't remove them