With a recorded history of 200 years of mining activities, KGM at Kolar Gold ... History SACON, Anaikatty P.O., Coimbatore641 108, India ..... which contain residual gold left over from the earlier extraction Plate 1, Plate 2. ..... R.L. Chaney, J.S. Angle, A.J.M. Baker and J.M. Li: Method for phytomining of nickel, cobalt,.