Delta Lithium Limited explores for and develops lithium properties in Western Australia. It holds interest in the Yinnetharra Lithium Project covering an area of more than 3,100 square kilometres, located in the Gascoyne Lithium Province of Western Australia. The company was formerly known as Red Dirt Metals Limited and changed its name to Delta Lithium Limited in April 2023. Delta Lithium Limited was incorporated in 2003 and is based in West Perth, Australia.