sp513-2020-247_si_005.jpg (1.79 MB)
Download fileFig. S4: 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. LehmannNormal isochron plots constructed from all step-heating data (a), steps 5 to 10 (b) and inverse isochron constructed from all step-heating data (c) with representative ages and errors shown for sample TR (Tirumalgiri lamproite).