Aerial view of the Horn Silver Project, Utah, USA
Horn Silver Project, Utah

Our Projects

Opal Resources owns projects in New South Wales and South Australia, and keeps an interest in projects it has sold in Utah and Western Australia. Each wholly-owned project has a live dashboard and 3D model, which we update as work progresses. Project decks and data rooms are available on request under a confidentiality agreement.

Wholly-owned projects

Avonlea heavy rare earth project near Inverell, New South Wales

Avonlea

Inverell, New South Wales

A heavy rare earth project 16 km north-north-east of Inverell. A 1988 diamond hole, re-assayed in 2022, returned 5.26 m @ 1,283 ppm TREO from 5 m in weathered Texas Beds clay. Earlier explorers assayed for bauxite only.

  • CommodityHeavy rare earths (clay)
  • TenureELA 7140 · 322 km²
  • Opal interest100%
  • Next stepLeach test
Historical result, not reported under JORC 2012. ELA 7140 is an application and has not been granted.
Wheal Ellen historic mine site and drill collars, Adelaide Hills, South Australia

Wheal Ellen & Mount Torrens

Adelaide Hills, South Australia

Two base and precious metal projects in the Kanmantoo Trough, with historical workings, drill-ready EM and magnetic targets, and full data rooms.

  • CommodityPb-Zn-Ag-Au-Cu
  • Wheal Ellen tenureEL 7124
  • Mt Torrens (historical)700 kt @ 6.4% Pb, 1.6% Zn, 41 g/t Ag
  • Opal interest100%
The Mt Torrens figure is a historical estimate (pre-JORC).
Wintinna thermal coal deposit 3D model, Arckaringa Basin, South Australia

Wintinna

Arckaringa Basin, South Australia

A thermal coal project in the Arckaringa Basin. About 85% of the 837 Mt historical resource lies inside Opal's EL 7142.

  • CommodityThermal coal
  • TenureEL 7142
  • Resource (historical)837 Mt (~85% in EL 7142)
  • Opal interest100%
837 Mt is a historical estimate, not reported under JORC 2012.

Projects sold, interest retained

Satellite image of the Horn Silver and Porphyry Peak area, Utah

Horn Silver / Porphyry Peak

Utah, USA

Sold to Diablo Resources (ASX: DBO). Opal holds Diablo shares and keeps a 20% free-carried interest.

  • PartnerDiablo Resources
  • Opal interest20% free-carried
Satellite image of the Olympus project area, West Musgrave, Western Australia

Olympus

West Musgrave, Western Australia

Sold to Hawk Resources (ASX: HWK). The sale completed in September 2026. Opal keeps a 20% free-carried interest.

  • PartnerHawk Resources
  • Opal interest20% free-carried
Satellite image of the Dragonfly project area, West Musgrave, Western Australia

Dragonfly (Olympus South)

West Musgrave, Western Australia

Divested to Wascan Pty Ltd. Opal keeps a 44% free-carried interest and does not contribute to exploration costs.

  • PartnerWascan Pty Ltd
  • Opal interest44% free-carried