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Revolutionizing Mineral Data Analysis in Rock Chips

A Groundbreaking Visual Tool

By Mel Hartley, Dr. Jason Bennett, James Waldron, Evie Burton

At PSS, we are introducing a cutting-edge visualization tool for mineral data analysis of reverse circulation (RC) rock chips, transforming how exploration geologists understand subsurface mineral composition.

What are RC Rock Chips?

Reverse circulation (RC) drilling is a widely-used, versatile exploration technique in mining. This method rapidly generates rock chips, which represent geological material at various depths as the drill progresses down a hole. These rock chips provide a valuable snapshot of mineral composition and structural changes within the subsurface layers. Approximately 90% of Australia’s drill holes use reverse circulation drilling.

Traditional Limitations of RC Rock Chip Analysis

Historically, RC chip drilling offers a fast means of gathering geological data, primarily through bulk geochemical sampling. Mineralogical data is often logged directly in the field by a geologist based on visual observations. This method, while practical, has several inherent limitations:

  • Subjectivity: Field observations rely heavily on the geologist’s experience and interpretations.
  • Major Minerals Focus: Detailed information on minor or trace minerals is difficult to capture on-site.
  • Lack of Quantitative Data: Observational methods lack precision and the quantitative depth that more advanced analyses can provide.

The Game-Changer: uXRF Scanning

Our tool introduces uXRF (micro-X-ray fluorescence) scanning technology to RC chip analysis, enabling rapid, non-destructive, and quantitative analysis of major, minor, and trace mineral phases.

By linking each chip’s mineral data to its exact depth, our visualization tool can represent mineralization trends throughout the drill hole.

Groundbreaking Insights into Mineral Variation and Visual Data

Thanks to high-resolution imaging and proprietary object identification code, we can quantify the colour, shape, and morphology of chips throughout the drill hole. This allows for:

  • Enhanced Mineral Identification: Detecting subtle changes in mineral composition, from major to trace phases.
  • Colour Analysis: Tracking colour variations in iron oxides and other minerals, providing insights into geochemical transitions.
  • Morphological Data: Leveraging shape and structural features to gain deeper geological insights.
  • Additional Analytical Methods: complimentary data can be added and viewed at any sampling interval, some PSS offered services include Raman spectroscopy and SWIR scanning.

Empowering Geo-Driven Answers

Our goal at PSS is to address the fundamental questions geologists and exploration teams have about their subsurface findings. Through this advanced data, we can answer pressing geological questions and empower exploration projects with a wealth of precise, actionable information.

Introducing our Digital Lab Team

James Waldron
Team Lead – Spectral Geologist

Dr. Jason Bennett
Senior Spectral Mineralogist

Mel Hartley
Software & Automation Engineer

Evie Burton
Spectral Geologist

Kyle Halse
Software Developer

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