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Fig. S3: Mesoproterozoic 40Ar–39Ar ages of some lamproites from the Cuddapah Basin and Eastern Dharwar Craton, southern India: implications for diamond provenance of the Banganapalle Conglomerates, age of the Kurnool Group and Columbia tectonics

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posted on 2021-02-02, 15:08 authored by Alok Kumar, Debojit Talukdar, N.V. Chalapathi Rao, R. Burgess, B. Lehmann
Normal isochron (a) and inverse isochron (b) plots constructed from all step-heating data with representative ages and errors shown for sample PL/1 (Pochampalle lamproite).

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Science and Engineering Research Board (grants SR/S4/ES-599/2011 and IR/S4/ESF-18/2011) to NVCR

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