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Laser ablation ICP mass spectrometry for zircon U-Pb geochronology of metamorphosed granite from the Salem Block: Implication for Neoarchean crustal evolution in southern India

Sato, Kei; Santosh, M.; Tsunogae, T; Chetty, T.R.K.; Hirata, Takafumi


We report here petrological characteristics of metamorphosed granite and metagabbro from the Kanja Malai hills, the southern margin of the Salem Block in southern India. Field observations suggest that both these rock types experienced high-grade metamorphism, and exhibit strong foliation. Many of cores of zircons extracted from the granite show an internal structure suggesting magmatic crystallization. In contrast, rims of the zircons commonly display metamorphic overgrowth. We also present...[Show more]

CollectionsANU Research Publications
Date published: 2011
Type: Journal article
Source: Journal of Mineralogical and Petrological Sciences
DOI: 10.2465/jmps.091222


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