The Mt Stirling Project comprises cobalt and scandium prospects as well as a 3.6 km broad scale surface footprint of rare earths anomalies that have a very high ratio of heavy rare earths and no uranium or thorium.

In 2022, Torian announced it had discovered a unique endowment of clean heavy rare earths elements (HREEs) as well as cobalt, a critical mineral used in batteries, throughout the clays and regolith horizons at Mt Stirling. A high ratio of heavy rare earths to total rare earths (0.65 to 1) and a lack of radioactivity distinguish the company’s Yttria and Wishbone prospects which host all five of the most critical HREEs: dysprosium, terbium, europium, neodymium and yttrium, with significant anomalous concentrations of scandium.

Combined, Yttria and Wishbone bring the size of Asra’s clean HREE footprint to approximately 3.6km in strike. Ongoing surface pXRF and augur vacuum drilling are testing an interpreted strike corridor of around 7.5km.

The security of the global supply of rare earth minerals are under threat as more than 80% of the world’s rare earths are produced in China. As western countries such as the United States become increasingly concerned about their reliance on China for rare earths and other scarce metals and minerals that are essential for the manufacture of items like electric car batteries, satellites, everyday electronics, weapons, wind turbines and solar panels, Asra’s Mt Stirling may be coming into world view.

A high ratio of heavy rare earths
to total rare earths
(0.65 to 1)
Rare earths distinguished by
a lack of uranium and thorium
Rare Earths & Critical Minerals Resource

Mineral Resource Estimate
Coming soon

Completed Milestones (Yttria Prospect)

  • Yttrium discovery within regolith Dec 2021.
  • REEs confirmed at Yttria within a ~1km area.
  • Surface pXRF programs and AV drilling tested prospective interpreted TREYO (~4km strike).
  • EIS grant application submitted for co-funding of 4 DDHs to test primary mineralisation potential.

Upcoming Milestones (Yttria Prospect)

  • AV drilling to further expand mineralised TREYO footprint over 7.5km prospective interpreted strike zone.
  • Mineral characterisation study (UQ CHEMSCAN).
  • Metallurgical study planned (UQ) – Q2 2022 – initial results expected during Q3 2022.
  • Resource drilling planned – Q2 and Q3 2022.
  • Maiden JORC Resource – End of Q3 2022.
  • Outstanding regional continuity of mineralisation identified.
Significant Rare Earth & Critical Minerals Intercepts Include:
  • 1m @ 1141ppm from 7m
  • 3m @ 1293ppm from 9m, inc 1m @ 1834ppm from 10m
  • 2m @ 1148m from 12m, inc 1m @ 1507ppm from 12m
  • 1m @ 1033ppm from 8m
  • 4m @ 969ppm from 3m, inc 1m @ 1259ppm from 4m
  • 2m @ 821ppm from 3m, inc 1m @ 1007ppm from 3m
  • 1m @ 1448ppm from 8m
Uses of Critical Minerals & Heavy Rare Earths

Clean and renewable energy

A growing number of wind turbine generators incorporate rare earth magnets in their operations. A modern 3MW wind turbine users 600kg of rare earths

Hybrid & Electric Vehicles

Hybrid and full electric vehicles contain large quantities of rare earths. A typical hybrid car contains approximately 28kg of rare earths, including 1kg in the motor and 10-15kg in the battery. Rare earth magnets are also used extensively in small ancilliary electric motors, including starter motors.

Manufacturing & Transport

Catalysts are a major market for rare earths, particularly catalytic cracking (FCC) catalysts to seperate petroleum products (such as fuels) from crude oil, and automotive catalytic converters to reduce harmful emissions in exhaust gases.

Modern Healthcare

Rare earth magnets are a key component of magnetic resonance imaging (MRI); and average MRU machine contains 700kg of rare earth metals. Rare earth metals are also used in diagnosis and treatment of ailments including some cancers and rheumatoid arthritis.

Electronics & Communications

The unique properties of rare earths are crucial for the latest fibre optic technologies that power the internet and telephone communications. They are also essential for a range of electronics, including computer components, global position systems (GPS), sonar, defence systems and lasers.

Personal Technology & Rechargable Batteries

Rechargeable batteries power many electronic devices (including electric cards). Approximately 25% of nickel-metal hydride rechargeable batteries  are rare earths. Rare earths are also essential for various lightweight computer components found in smart devices, including global positioning systems (GPS)

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