Mineral characterization and ore petrographic studies encompass the identification of minerals present in the ore, their relative abundance, modes of occurrence, structures, textural relationships and modal distribution in different processing steps. These studies also reveal quantitative in-situ mineralogical phase compositions. These are very important and basic steps that are undertaken before processing/beneficiating any kind of ore. From mineral processing point of view, it is important to identify the ore and gangue minerals present in an ore, study their textural relationships, and find out the liberation characteristics of the ore. Sometimes it becomes imperative to know the origin or genesis of the ore and the process of formation in nature. Thermal behavior of the minerals that plays an important role during their reduction processes are determined as and when required. These objectives are met through thorough characterization of the ores by using optical petrological microscopes (both RL and TL), Zoom Stereo Microscopes, Image Analysis System, X-Ray Diffraction, Scanning Electron Microscope (+WDS/EDAX), Electron Probe Micro-Analyzer, Heating Microscope, TG-DTA etc. The petrology section has facilities and expertise to characterize any kind of economic mineral/ore from coal to gold.
It has extended services to various industries/institutions dealing with metallic minerals such as iron, manganese, aluminium, chromium, copper, lead, zinc, gold, titanium and industrial minerals such as limestone, dolomite, barite, garnet, sillimanite, silica sand, soap stone, mica, feldspar etc.
(i) Optical Petrological Microscopes, (ii) Zoom Stereo Microscopes, (iv) Image Analysis System, (v) Heating Microscope (Dilatometric) and (v) TG-DTA
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