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September 2022 - December 2024
Publications
Publications (12)
Laser-induced breakdown spectroscopy (LIBS), a rapid and versatile analytical technique, is becoming increasingly widespread within the geoscience community. Suitable for fieldwork analyses using handheld analyzers, the elemental composition of a sample is revealed by generating plasma using a high-energy laser, providing a practical solution to nu...
The Spremberg-Graustein-Schleife deposit is part of the Kupferschiefer district in the southern Permian Basin and comprises stratabound copper, silver, and other valuable and critical metals in mineralized rocks hosted by pre-Zechstein sandstones, Kupferschiefer, and Zechstein carbonates. Due to the significant exploration potential across the sout...
Hyperspectral imaging is gaining widespread use in the resource sector, with applications in mineral exploration, geometallurgy, and mine mapping. However, the sheer size of many hyperspectral datasets (>1 Tb), and associated data correction and analysis challenges, limit the integration of this technique into time-critical exploration and mining w...
Natural carbonate standards of calcite structure were analysed using a handheld Laser-Induced Breakdown Spectroscopy (LIBS) device to investigate the spectral applicability for quantitative analysis in the Ca-Mg-Fe-Mn carbonate system. To obtain an initial understanding of the relationship between the elemental concentrations and LIBS signals, the...
Mineral exploration focused on deeply concealed targets at depth requires effective techniques applicable in the field in order to identify ore-forming systems on a large scale and pathfinders to locate ore on a smaller scale. According to the rapid development of portable equipment in recent years, the importance of near real-time analysis in the...
A portable Raman device with a 532 nm excitation laser and a portable infrared spectrometer with ATR (Attenuated Total Reflection) mode were used to analyse the spectral features associated with the identification and compositional variation of Ca-Mg-Fe-Mn natural carbonate minerals with a calcite structure (calcite, ankerite, dolomite, siderite, r...
Handheld Laser-induced breakdown spectroscopy (LIBS) device is able to perform real-time determination in the field with limited sample pre-treatment of permitting accurate, and faster analyses than the other conventional techniques. In this study, natural carbonate standards of calcite structure were analysed to investigate the spectral applicabil...
The analytical conditions including surface state, moisture effect, and device condition were investigated for
applying Short Wave Infrared (SWIR) spectroscopy to the field survey. Among the three surface state of samples (exposed surface, cutting face and powder), both spectra from the exposed surface and cutting face are almost identical whereas...
Advanced argillic, argillic, and phyllic zones are the most important alteration patterns to predict the hidden ore body during exploration of hydrothermal deposits. We examined the quantitative relationship between the spectral absorption characteristics and the mineral content of the synthetic mixtures such as alunite-kaolinite and illite-kaolini...
The mineralogical and geochemical characteristics of diverse carbonate rocks can be investigated by using VNIRSWIR(visible near infrared-short wavelength infrared) spectroscopic analysis as a rapid, nondestructive, and inexpensive tool. Comparing whole rock analysis to VNIR-SWIR spectroscopic analysis, the analytical method was investigated to esti...
The Yangyang Iron Oxide-Apatite (IOA) deposit is characterized by distinct mineral assemblages with calcic, potassic, and phyllic alteration indicators such as amphibole, mica and sericite. Fe-P mineralization is closely associated with calcic-potassic and potassic alteration zones. In the alteration products associated with calcic-potassic and pot...
