The Martabe Mine is established under a sixth generation Contract of Work (“CoW”) and covers 1,639 km² along 110 km of strike length adjacent to the Sumatra fault. The resource base includes 8.05 million ounces of gold and 77 million ounces of silver and there are seven known deposits within a 30 km² area with Purnama the largest so far. Martabe commenced first commercial gold production from the Purnama pit in July 2012 and is anticipating production of 250,000 ounces per annum of gold and 2-3 million ounces per annum of silver for a minimum of 10 years.

Martabe benefits from a low estimated life-of-mine cost structure for the Purnama pit. The low cost structure is a result of the capacity and size of the project, the shallow nature of the deposit that results in a low strip ratio of 1.3:1, the good grade of the ore and straightforward gold extraction process. In addition, Martabe benefits from the advantageous location of the project, being close to highways, airports, port, power and a significant national skilled human resources pool.

The Martabe operation encompasses the Purnama open pit mine, a conventional processing plant with 4.5 Mtpa capacity, a permanent accommodation facility for mine workers, haulage roads, high voltage switchyard, onsite workshop and warehousing, and a tailings storage facility with associated water catchment and diversion systems. Safety is the highest priority for G-Resources, this is evident in the Company’s outstanding safety results.

Martabe location and 1,639 km² CoW area



Martabe deposit and prospect locations

A substantial area of a highly mineralised district with potential for further gold and gold-copper deposits