Lanthanein Resources Limited, together with its subsidiaries, engages in the exploration and evaluation of mineral projects in Australia and Papua New Guinea. It explores for neodymium, praseodymium, lithium, gold, silver, and other base metals, as well as white kaolin clay and alumina feedstock. The company holds interest in the Gascoyne Rare Earth Elements project, located in the Gascoyne Region of Western Australia; and the Murraydium REE project, that covers an area of 872 square kilometers and located in the south-eastern region of South Australia. It also holds interest in the Koolya Project, that covers an area of 240 square kilometers and located near east of Perth, Western Australia; the Mt Clere REE and lithium project, that covers approximately an area of 350 square kilometers and located in the eastern Gascoyne Province; and the Tolukuma gold mining tenement located near north of the national Capital of Port Moresby, Papua New Guinea. The company was formerly known as Frontier Resources Limited and changed its name Lanthanein Resources Limited in May 2022. Lanthanein Resources Limited was incorporated in 2001 and is based in Perth, Australia.