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Geochemical and mineralogical constraints on lithium mineralization in rare-metal pegmatites of the Amareshwar region, Eastern DharwarCraton, India.

Sindhuja CS, Satyanarayanan M, Banerjeea S, Chatterjee S.

GEOSYSTEMS AND GEOENVIRONMENT

https://doi.org/10.1016/j.geogeo.2025.100439 

A detailed investigation on the geochemistry and mineralogy of lithium bearing pegmatites from Amareshwar region, EDC was taken up focusing on their potential as a source for lithium. It was found that lithium is mainly present in two minerals: spodumene and zinnwaldite. Geochemistry on these rocks indicate high values of lithium, cesium, tantalum, and rubidium, suitable for beneficiation studies. The pegmatites are found to be highly evolved from granitic magma and are classified as LCT (Li-Cs-Ta) type, known for hosting rare metals. The findings suggest Amareshwar is a promising site for Li exploration.

Fig: Field photographs of Lithium bearing pegmatites hosted in amphibolites.

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