Gateway Mining Limited primarily explores for gold and base metal properties in Western Australia. It also explores for copper, lead, zinc, nickel, and lithium deposits. The company owns a 100% interest in the Gidgee Gold project covering an area of approximately 700 square kilometers located in the township of Sandstone. It also has interests in a portfolio of six exploration projects, including the Bryah Basin, Cunyu, Edjudina, Edna May, Southern Cross, and Sylvania projects located in the Yilgarn, Bryah, and Pilbara districts. Gateway Mining Limited is based in Sydney, Australia.