RE: Airborne surveys The airborne surveys ESO flew back in the day (2005 to 2008) were mostly Megatem, and the main reason they were so expensive is because they were flying their Cree Property, which was a huge area back then - maybe 10 times the size of Patterson Lake South.
The benefit of airborne work is that mineral exploration companies get 1.5 times assessment credit to keep there mineral claims in good standing. Ground work only gives 1 times assessment credit.
The airborne work (airborne radiometric & VTEM) they are doing on Patterson Lake South is not very expensive, and the VTEM they are doing should give drill ready targets....so no follow up ground geophysical surveys required - Just drill it!!
GLTA