first explorers at Boseto27 Mar 2021 21:13
How to find mineralisation beneath the Kalahari sands. Knowing the 40+ metre sand depths through much of Botswana tonight's search provides the first clue, viz. -
look for the termite pillars dotting the landscape. Their diggings go down 100+ metres; "see a few small fossil tunnels that had been made hundreds of thousands of years ago when the first miners at Jwaneng, the termites, burrowed down to get moist clay with which to build their large mounds at the surface; in bringing up moist clay from the kimberlite, they also brought up the small kimberlitic garnets and ilmenites, and it was these mineral grains that our soil-sampling programmes found and that led us to the Jwaneng pipe."
So they are the first explorers. Equally the nest colonies will theoretically provide accurate initial Cu sampling. No need for aeromagnetics which might be ineffective with all the overburden