At Bostech Drilling, based in Western Australia, we specialise in mineral exploration. While our rigs have sunk countless holes in pursuit of gold, iron ore, and nickel, there’s an increasingly vital resource capturing global attention: rare earth minerals. As demand grows, rare earth exploration has become a key part of our work. These unassuming elements are the bedrock of our modern world, and here in WA, we’re at the forefront of unearthing them.

An engineer offering rare earth mineral exploration.


The demand for rare earth minerals is skyrocketing, driven by the global transition to clean energy and advanced technologies. From electric vehicle motors and wind turbines to smartphones, medical devices, and defence systems, these 17 elements are indispensable. And as the world looks to secure reliable supply chains, Australia, particularly Western Australia, is emerging as a critical player.

The Critical Role of Drilling in Rare Earth Exploration

For Bostech Drilling, our role in the rare earth revolution is foundational. Before any mine can be developed, exploration drilling is absolutely crucial. It’s how we accurately identify, delineate, and characterise rare earth deposits deep beneath the Earth’s surface.

Our specialised drilling techniques are designed to:

  • Extract High-Quality Samples: We employ advanced drilling methods, including Reverse Circulation (RC) and diamond core drilling, to retrieve representative samples of the subsurface geology. For rare earths, obtaining uncontaminated and geologically accurate samples is paramount. Diamond core drilling, in particular, provides an intact cylinder of rock, allowing geologists to precisely map the mineralisation and understand the geological context of the rare earth elements.
  • Define Deposit Boundaries: Through systematic drilling, we can determine the size, shape, and orientation of a rare earth deposit. This information is critical for resource estimation and informs subsequent mining plans.
  • Assess Mineral Grades: Analysis of the drilled samples allows geologists to determine the concentration (grade) of individual rare earth elements within the rock. This is a complex process, as rare earth deposits often contain a suite of these elements, each with varying market values and uses.
  • Understand Geochemical Signatures: Drilling helps to identify the specific geological formations and geochemical signatures associated with rare earth mineralisation, guiding future exploration efforts.

The precision and expertise of our drilling teams ensure that exploration companies receive the most accurate data possible, de-risking their investments and accelerating the path to production. Our work plays a crucial role in the exploration of minerals, supporting informed decision-making and long-term project success.

Rare Earth Minerals: A Treasure Trove in Western Australia and Beyond

Western Australia is rapidly cementing its reputation as a global hotspot for rare earth deposits. With several projects already in various stages of development, mineral exploration in WA is playing a crucial role in uncovering these valuable resources. The state is home to significant known reserves, and key rare earth minerals found in WA and across Australia include:

  • Neodymium and Praseodymium (NdPr): These are perhaps the most commercially sought-after rare earths, essential for high-strength permanent magnets used in electric vehicles, wind turbines, and robotics.
  • Dysprosium and Terbium: Often associated with NdPr deposits, these “heavy” rare earths are critical for heat resistance in magnets, allowing them to function at higher temperatures.
  • Lanthanum and Cerium: While typically lower in value than NdPr, these are abundant rare earths used in catalysts, polishing agents, and hybrid car batteries.
  • Samarium, Europium, Gadolinium, Holmium, Erbium, Thulium, Ytterbium, Lutetium: These are the remaining elements in the lanthanide series, each with specific niche applications in various high-tech industries.
  • Yttrium and Scandium: While not technically lanthanides, these are often found in rare earth deposits and share similar chemical properties and applications.

Major rare earth provinces in WA include the Mount Weld project (one of the world’s richest rare earth deposits) and emerging projects in the Gascoyne and Kimberley regions. Across Australia, other notable deposits exist in states like Queensland and South Australia, highlighting the nation’s immense rare earth potential.

At Bostech Drilling, we are proud to be contributing to Australia’s strategic position in the global rare earths supply chain. With a strong focus on mineral exploration in WA, our commitment to advanced drilling techniques and deep understanding of Western Australia’s unique geology make us the ideal partner for companies targeting minerals critical to modern technologies. As the world transitions to a more sustainable and technologically advanced future, Bostech Drilling will continue to be at the forefront, unearthing the elements that make it all possible.

Please email or call our friendly team on 08 9250 4252 today to discuss your exploration project.