b'AEGC 2023Short abstractswithin the AusGeochem platform. Thus, enabling its users tomajority of RTX samples now have 200 channels of information integrate their own datasets and analyse them together with(geochemistry, spectral, petrophysical, geological meta-data). all public data. Core scanning generates terabytes of RGB and SWIR + /-LWIR spectral data for small numbers of drill holes. Delayed access The development of this novel data platform kicks off a newto this data caused by lengthy analytical and data processing era of structured and standardised Big Data to interrogateturnaround times further impacts our ability to optimally intractably large geochemical datasets in new and powerfulutilise the data to make decisions on project progression. RTX ways for exploration and understanding deposits of economichas experienced its first modern tsunami of data through the interest. discovery and delineation of the Winu Cu-Au deposit. The accelerated development timeline for WINU forced Rio Tinto to Mineralogical characterisation of Lithium-Caesium- adapt data handling and interpretation processes to cope with the large volume of data being produced. Machine learning-Tantalum pegmatites and implications for processbased models have been developed that have provided the optimisation. team with an automated predictive geological domaining and sulphide texture analysis. Our journey has just begun, and while Martin Wells, Mark Aylmore and Brent McInnes we present some of our progress in this space, were going Curtin Universityto require some assistance in making it to our destination. Collaborations with key service providers have been pivotal in Lithium is a critical component of rechargeable batteriesunlocking the power of the data we routinely collect. Can the required for mobile phones, e-bikes/scooters, energy storagebroader geochemical and data science community provide systems and electric-hybrid vehicles. As the world transitions tofurther assistance on the pathway to generating deeper, lower-emission technologies the demand for lithium is forecastobjective, real-time insights from our geochemical data?to increase significantly. However, some mineral processing plants are struggling to meet nameplate recovery rates requiredHeterodyne method of sulphide detection. Latest field for the cost-effective production of spodumene concentrates. Understanding the mineralogical controls of economicresults.(Li,Ta,Nb) and deleterious (Fe,Mn,Mg) element deportmentRobert White1 Steve Collins, Keith Leslie2 and Andrew Sloot3is key to optimising the resource management of Lithium, Caesium, Tantalum (LCT)-pegmatites. The recently completed,1 Tooronga Resources Minerals Research Institute of Western Australia (MRIWA),2 CSIRO M532 project was undertaken to develop a geometallurgical3 Fender Geophysicsframework of WA LCT-pegmatites from the Yilgarn and Pilbara Cratons, with the overarching objective of improvingRecent field tests of a new geophysical method for the efficiencies in exploration, mineral beneficiation and processingdetection of sulphide ore deposits has shown that the method techniques. most likely is capable of distinguishing sulphide minerals from graphite. This is particularly relevant in areas such as Mt Isa A key finding has been that mineralogical and petrologicalwhere the ore deposits lie within graphitic black shale, which variations in pegmatite ores can have significant implicationsmakes the detection of the deposits difficult or impossible using for spodumene beneficiation and Li recovery optimisation.IP or EM techniques.For example, alteration of spodumene results in the formation of secondary phyllosilicate minerals along cleavages and asThe method relies on the fact that sulphide minerals are fracture-fill veins. Such alteration depletes Li and introduces K,semiconductors while graphite is only partially semiconducting Mg, Fe, Rb and F into the spodumene ores. or is conducting. The actual detection of the semiconducting property is achieved by using heterodyning to search for Calcine roasting of altered spodumene concentrate can causeevidence of non-linear mixing of two or more sinusoidal the secondary veins to melt, and these melt products willsignals. Field tests in March 2022 at Kempfield NSW strongly potentially impede b-spodumene reactivity and damage kilnsuggest that the system works, with graphitic units, that are IP components. Secondary veining and other phases (e.g., quartz,responsive, not creating heterodyne signals while the sulphide feldspar) intergrown with spodumene, effectively decreasesbearing horizons clearly show a heterodyne response.grain bulk density reducing the recovery of spodumene using dense media separation techniques. Such alteration and mineralThis presentation outlines the results of a follow up survey associations are key in determining the grind size for effectivewhich was run to confirm the results of the earlier field trial and liberation of spodumene and efficient recovery of lithium. to fill some gaps in the data collected previously.Adapting our traditional geochemistry workflows toCost effective high-resolution marine streamer seismic cope with a data tsunami. acquisition and imaging solutions for new energy applications.Michael WhitbreadMartin Widmaier, Carine Roalkvam, Okwudili Orji and Julien RTX OukiliThe size and complexity of geochemical datasets used inPGSexploration and orebody modelling are growing rapidly. However, as an industry we have still been interpreting themAdvanced towing configurations which combine distributed using manual, subjective and outdated processes. The vastmulti-sources with high-density multi-sensor streamer spreads 151 PREVIEW FEBRUARY 2023'