Diatreme Resources Limited (ASX: DRX) is an Australia-based mineral exploration and development company focused on silica sands and critical minerals projects. The company explores for and develops high-purity silica sand deposits suitable for solar panel manufacturing, construction, and advanced materials applications; it also pursues rare earth elements and other critical minerals to support clean energy and technology sectors. Diatreme offers project development services, including feasibility studies, environmental approvals, and mine planning for its key assets such as the Northern Silica Project and Cyclone Range Silica Project in Queensland, Australia. Founded in 2006 and headquartered in Brisbane, Australia, the company operates primarily in Australia with target markets including domestic construction and international solar glass manufacturers in Asia and Europe. Subsidiaries include project-specific entities for development activities, with no parent company.
In the past 1-2 years, Diatreme has advanced its Northern Silica Project toward production with the completion of a definitive feasibility study in 2024 confirming robust economics for a 1.5 million tonne per annum operation; secured environmental approvals and mining lease applications in Queensland. The company raised A$40 million through a placement in late 2024 to fund project development and front-end engineering design; entered strategic offtake discussions with major solar glass producers. Additionally, Diatreme expanded its resource base at the Cyclone Range project with updated JORC-compliant estimates exceeding 950 million tonnes of indicated and inferred silica resources; progressed rare earth exploration at its HiPower project amid growing demand for critical minerals.