Extensive mafic magmatism occurred across central and western Australia during the late Proterozoic. One of the main contributors of this was the c. 1085–1040 Ma Giles Event which includes the c. 1075 Ma Warakurna Supersuite that forms the Warakurna Large Igneous Province.

In South Australia, rocks of the Warakurna Supersuite were originally interpreted to be largely restricted to the Musgrave Province, with no evidence for c. 1075 Ma magmatism outside this area. The Coompana Province, located between the South Australian and West Australian cratons, contains a series of remanently magnetised bodies that had been found to comprise mafic rocks, but they were temporally and compositionally poorly constrained.

A large body of new work was undertaken in the area, providing a greater level of interpretation and revealing two main findings about the Warakurna LIP. First, the mafic magmatic rocks can be traced to the southern coast of Australia. Second, the distribution near the southern coast suggests the southern extension of magmatism was structurally controlled.

Understanding the extent and controls on the Giles Event and Warakurna LIP will aid understanding the extent of the associated mineralisation systems, and potentially unlock areas for new exploration targeting.