New Frontier Minerals Limited is an entity primarily engaged in the prospecting and assessment of mineral resources, with its main activities concentrated in Australia and Zambia. The firm's exploration endeavors target a diverse array of deposits, encompassing base metals such as copper, lead, and zinc, precious metals like gold and silver, alongside critical elements including cobalt, niobium, uranium, and various rare earth elements. Originally founded in 2009, this enterprise operated as Castillo Copper Limited until its renaming to New Frontier Minerals Limited in December 2024.