Inversion of Induced Polarisation data over the Beruang copper-gold deposit in Kalimantan, Indonesia.

Abstract

The Beruang copper-gold deposit is located very near the centre of Kalimantan, in Indonesia. It is a diorite porphyry hosted deposit currently being explored by PT Kalimantan Surya Kencana, which is a subsidiary of Kalimantan Gold Corporation Limited of Canada. Extensive IP (Induced Polarisation) coverage was obtained over the Beruang deposit and surrounding area using the 150m dipole-dipole configuration, during 2001. 2D Inversion of the IP data was achieved using various smooth modelling 2D inversion algorithms. A number of 2D and 3D images have been generated to provide presentations of the model results. Drilling of a number of targets derived from the inversion modelling has resulted in some significant copper-gold intersections. Exploration in the project area is continuing.