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LoginALS has a thorough knowledge of the mineralogical composition of an ore or process product. It is critical when using metallurgical processes to extract value metals or reject impurities. Understanding the mode of occurrence of the mineralisation, therefore, is highly beneficial to achieving optimum recovery, extraction, or rejection of target minerals. A clear mineralogical profile will focus the metallurgical testing regime to the best process circuit, which can ultimately save time and money without having to laboriously conduct all options to find the best outcome.
Mineralogy is a vast and complex science that requires niche expertise to interpret the volumes of intricate data. As good as the ever developing XRD, MLA, and SEM scanning hardware and software is, many situations require human interpretation in conjunction with other factors to achieve the correct result. Rather than dumping reams of complex data or raw machine output to our clients, our world-renowned ALS mineralogists work closely with our metallurgical team to deliver an accurate qualitative/quantitative mineralogical assessment relative to the metallurgical program objectives.
Mineralogy requires very little sample mass for examination – typically 5-100g will suffice.
There are instrument limits on particle size to typically below 10 mm, but particle size distribution plays an important role in accurate quantitative reporting. A wide ranging particle size distribution may have to be split into multiple fractions for separate analysis.
Indeed, free-forming gold particles are usually in very small concentrations, and as such, these samples will need some form of gravity concentration to capture sufficient particles for examination. Your ALS metallurgy representative can advise on these pre-concentration requirements.
Mineralogy is not an overnight assay service. Turnaround time is inclusive of sample preparation, machine time, interpretation and reporting, followed by quality review. Turnaround time is also heavily dependent on the mining cycle and general workloads/demand. Urgent turnaround time (1 week) can often be scheduled with the requisite communication/organisation. Surcharges may apply.
ALS is a quarantine approved premises and treats many samples originating from outside Australia. Strict regulatory requirements are in needed around packaging and paperwork however. ALS can advise you on these requirements.
Mineralogy is very often part of a larger our metallurgical testwork program. Click the following links for other downstream testwork services:
Click on the above links or contact us for further information. We can integrate a full program for you if required.
