The Morphology and Metallurgical Implications for Extraction of Platinum Group Minerals (PGM’s) in Chromitite

This study was carried out on chromitite bearing samples from Sittampundi anorthosite complex (SAC), Tamil Nadu, to understand the morphology of platinum-group minerals (PGM) and associated silicates using state-of-the-art technology QEMSCAN®. The dominant mineralogy of the samples are chromite (>...

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Bibliographic Details
Published in:Journal of the Geological Society of India 2019-07, Vol.94 (1), p.47-52
Main Author: Raju, P. V. Sunder
Format: Article
Language:English
Subjects:
Animal morphology
Anorthosite
Beneficiation
Chlorite
Chromite
Earth and Environmental Science
Earth Sciences
Exploration
Extractive metallurgy
Geology
Grain size
Hydrogeology
Metallurgy
Mineralogy
Minerals
Morphology
Plagioclase
Platinum
Research Article
Silicates
State of the art
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Summary:This study was carried out on chromitite bearing samples from Sittampundi anorthosite complex (SAC), Tamil Nadu, to understand the morphology of platinum-group minerals (PGM) and associated silicates using state-of-the-art technology QEMSCAN®. The dominant mineralogy of the samples are chromite (>70 mass percent), plagioclase (An90) and chlorite-actinolite with orthopyroxene (En 85 ). The morphology of PGMs grain sizes are varying from 10 − < 3µm in size. Understanding the morphological characteristics of PGMs is essential for the future beneficiation and metallurgical process involved for the extraction of PGMs associated with the chromitite samples to make viable Sittampundi complex a promising target for future PGE exploration.
ISSN:0016-7622
0974-6889
DOI:10.1007/s12594-019-1265-y