Mesoproterozoic U–Pb ages, trace element and Sr–Nd isotopic composition of perovskite from kimberlites of the Eastern Dharwar craton, southern India: Distinct …

NVC Rao, FY Wu, RH Mitchell, QL Li, B Lehmann - Chemical Geology, 2013 - Elsevier
We report new U–Pb ages of groundmass perovskite determined by secondary ion mass
spectrometry, trace element, and Sr and Nd isotopic compositions for twelve kimberlites …

Petrogenesis of Mediterranean lamproites and associated rocks: The role of overprinted metasomatic events in the post-collisional lithospheric upper mantle

M Casalini, R Avanzinelli, S Tommasini, C Natali… - 2022 - pubs.geoscienceworld.org
High-MgO lamproite and lamproite-like (ie lamprophyric) ultrapotassic rocks are recurrent in
the Mediterranean and surrounding regions. They are associated in space and time with …

Platinum-group element (PGE) geochemistry of Deccan orangeites, Bastar craton, central India: implication for a non-terrestrial origin for iridium enrichment at the K …

NVC Rao, B Lehmann, V Balaram - Journal of Asian Earth Sciences, 2014 - Elsevier
We report platinum group element (PGE) concentrations of twelve bulk-rock samples from
the Behradih and Kodomali orangeite intrusions in the Mainpur field, Bastar craton, central …

Mesoproterozoic 40Ar–39Ar ages of some lamproites from the Cuddapah Basin and Eastern Dharwar Craton, southern India: implications for diamond provenance of …

A Kumar, D Talukdar, NVC Rao, R Burgess… - 2022 - pubs.geoscienceworld.org
Abstract We report Mesoproterozoic 40 Ar–39 Ar (whole-rock) ages of lamproites from (i) the
Ramadugu field (R4 dyke: 1434±19 Ma and R5 dyke: 1334±12 Ma) and the Krishna field …