Delta Lithium (ASX: DLI) — Company Overview, News & Financial Data
Delta Lithium is an Australian lithium exploration firm focused on high-grade projects in the Mt Ida Lithium Province.

Delta Lithium
Delta Lithium is a Western Australian exploration and development company dedicated to advancing critical mineral projects, with a primary focus on lithium assets. The company holds JORC-compliant lithium resources across its key projects in Western Australia, including the Yinnetharra Lithium Project in the Upper Gascoyne region and the Mt Ida Lithium Project in the Goldfields region. In addition to lithium, its resource inventory includes associated tantalum and rubidium deposits. Delta Lithium also maintains strategic exposure to gold assets through a significant equity investment in Ballard Mining following the corporate spin-off of its gold rights.
Snapshot
Products and/or services of Delta Lithium
- Lithium Exploration: Advanced mineral exploration and drilling across pegmatite targets in the Upper Gascoyne region of Western Australia, evaluating a combined JORC-compliant mineral resource estimate of 21.9 million tonnes at 1.0 percent lithium oxide.
- Lithium Mine Development: Resource definition and metallurgical studies on hard-rock lithium pegmatite deposits in the Goldfields region of Western Australia, supported by a mineral resource of 14.8 million tonnes at 1.21 percent lithium oxide.
- Tantalum Resource Assessment: Exploration and evaluation of co-product tantalum mineralization across Western Australian hard-rock deposits, incorporating a total JORC-compliant resource estimate of 54.2 million tonnes averaging 121 parts per million tantalum pentoxide.
- Rubidium By-Product Evaluation: Delineation of specialized critical mineral deposits in Western Australia containing a JORC-compliant resource of 14.8 million tonnes grading 0.42 percent rubidium oxide for potential extraction alongside lithium processing operations.
- Precious Metals Equity Holding: Strategic investment management through a 34.4 percent equity interest and board representation in a publicly listed precious metals exploration company pursuing gold assets in Western Australia.
- Regional Mineral Exploration: Surface geological mapping, geochemical sampling, and target generation across extensive prospective hard-rock lithium and critical mineral tenement holdings located throughout mineral-rich regions of Western Australia.
Delta Lithium executive team
- Mr. James Lindsay Croser B.EngInterim CEO, MD & Director
- Mr. Peter Gilford A.C.I.S., B.Com., C.A.CFO & Company Secretary