HyLogging ticks two boxes for the Australian mining industry – it is making a demonstrable difference to exploration and mining competitiveness and it is improving our mining services exports.

The Challenge

Reducing the need for drilling and making logging more accurate

The Australian exploration industry spends close to $600 million per year drilling holes to locate potentially economic mineral resources.

This prototype HyLogger has now been developed into a largely automated system driven by a robotic sampling system. Automated hyperspectral analysis makes logging drill cores faster and more accurate.

Detailed geological models and knowledge of mineralogy greatly assists industry to locate these resources and can reduce the need for expensive drilling, saving time and money.

Hyperspectral logging technologies provide a means to gain this information from the materials or drill cores derived from drilling.

Until recently geologists, metallurgists and geotechnical engineers had to manually interpret and record minerals present in these materials. This reliance on visual interpretation of drill cores was prone to error and labour intensive.

Our Response

A new automated logging technology

Our hyperspectral logging technology or HyLogging™ system, characterises minerals in drill core samples, and is helping the industry improve the efficiency of this process.

Drill cores to be analysed with a hylogger to determine what minerals are present from their unique spectral signatures. © CSIRO, Damien Smith Photography

The HyLogger is largely automated and driven by a robotic sampling system. It uses visible and infrared light to characterise selected minerals from drill cores, chips and pulps that are often difficult or impossible for human observers to interpret correctly.

Reflected light from the samples is broken into hundreds of different wavelengths by several spectrometers, allowing the recognition of unique spectral signatures for each mineral.

Although visible and infrared spectrometers have existed in university laboratories for years, our version is faster, more rugged, automated and supported by special purpose software.

The software generates digital images, surface profiles and mineralogical interpretations.

The Results

Saving millions of dollars each year and improving accuracy and efficiency

Considered a major step forward in providing consistency and objectivity in the drill core logging process, the HyLogging™ system provides new information on the mineralogy of ore deposits. It dramatically improves geologists’ efficiency and productivity by providing them with ‘a new set of eyes’ to map mineral composition rapidly and objectively.

HyLogging™ is used by many Australian mining and laboratory service companies, enhancing the industry’s competitiveness and improving mining service exports. It has been adopted by all state and territory geological surveys, as well as the Mexican Geological Survey.

FLSmidth has commercialised the HyLogging™ system .

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