Middle Island Resources Limited’s Barkly super-project comprises of 11 exploration licence granted applications covering 4,343.49 square kilometres and 5 pending applications covering 1,190.10 square kilometres within the Barkly region of the Northern Territory (NT). The applications semi-continuously extend for over 350km along the axis of the fault-bounded East Tennant Ridge from Tennant Creek, east across the Barkly Tableland, towards the Queensland border near Mt Isa.

The Sandstone project and processing facility is situated 12km south of the township of Sandstone, ~400km northwest of Kalgoorlie, and located on a sealed highway between the mining towns of Mt Magnet and Leinster in the East Murchison Mineral Field of Western Australia.