I find it very hard to believe that with that intensity of...

I find it very hard to believe that with that intensity of vegetation, leaf litter, soil development and laterisation that comes in these wet environments that anyone can reliably map out the boundaries of the mafic rocks to that degree of accuracy unless the area contains a significant percentage of outcrop. I’d personally want to see a proper overlay of the magnetics and topo before I took much notice of those rock boundaries. Esh