I believe the vast array of colors indicates high levels of mineralization. Our resident geo's can probably say more about that. another map- http://gsc.nrcan.gc.ca/mindep/synth_dep/iocg/images/fig07.gif although the IOCG and REE potential has been downplayed by some, the cores will soon speak the truth. several posters continuously post about our unproven properties yet fail to speak of the immense potential offered by mother earth. moose pasture today, valuable mine tomorrow..... glta