Macarthur Minerals Limited is an exploration-stage company. The Company is focused on identifying and developing lithium projects and counter cyclical investments. It holds Western Australian iron ore projects. It holds lithium acreage on Sulphur Springs and Whim Creek covering a total area of over 1,680 square kilometers in the Pilbara Craton, Ravensthorpe and the Edah regions of the Yilgarn Craton of Western Australia. It holds Yalgoo Lithium Project, located in Western Australia. It has two iron ore projects in Western Australia: the Ularring hematite project, including hematite iron ore and the Moonshine magnetite project, including magnetite iron ore. The Iron Ore Projects are located over 170 kilometers northwest of Kalgoorlie in Western Australia. It has approximately 20 exploration license applications in the Pilbara covering a total area of over 1,280 square kilometers. The Whim Creek project area covers the Archaean Whim Creek Greenstone Belt within the North Pilbara region.