Geology and Geophysics

No Record Found.

Journal
• Early Mesoproterozoic (1.72 1.68 Ga) convergence between Bastar and Eastern Dharwar cratons along the Bhopalpatnam orogen, southcentral India and implication for paleogeography of supercontinent Columbia Mukherjee S., Vadlamani R. By Precambrian Research 393 107086- (2023)
• Relict Mesoarchean (2.99 2.94 Ga) metamorphism overprinted by late Neoarchean tectonothermal event(s) from the Sukma Group supracrustal rocks, Bastar craton, India: Evidence from new Lu-Hf and Sm-Nd garnet isochron and Th-U-total Pb monazite ages Nandi A., Mukherjee S. , Sorcar N. , Vadlamani R. By Precambrian Research 390 107056- (2023)
• Uranium-Pb ages of detrital zircon from the Mesoarchean Sukma and Neoarchean Bengpal supracrustal groups: Evidence for unconformable stratigraphic relations and implications for Precambrian stratigraphy of the Bastar Craton, southcentral India Nandi A., Vijaya Kumar T. , Babu E. , Vadlamani R. By Journal of Asian Earth Sciences 251 105671- (2023)
• Petrogenesis of the Mesoarchean (~3.05 Ga) mafic volcanics from the western Iron Ore Group volcano-sedimentary succession, Singhbhum craton, eastern India: Constraints from geochemical modelling and Sm-Nd geochronology Adhikari A., Vadlamani R. By Lithos 412-413 106596- (2022)
• Neoarchean (~2.73 2.70 Ga) accretionary history of the eastern Dharwar Craton, India: Lu-Hf and Sm-Nd garnet geochronologic constraints from the Karimnagar granulite-facies supracrustal enclaves. Mukherjee S., Adhikari A. , Nicoli G. , Vadlamani R. By Precambrian Research 375 106657- (2022)
• Sr isotope numerical depositional age of Miocene marine 4 strata (Quilon Formation), Kerala Konkan Basin, India Carolin N., Vadlamani R. , Bajpai S. By Journal of Earth System Science 131-152 (2022)
• Increasing primary productivity in the oligotrophic Tethyan coastal ocean during the Paleocene-Eocene warming episode Sreenivasan S. P., Samanta A. , Boudagher-fadel M. , Mukherjee S. , Vadlamani R. , Bera M. K. By Global and Planetary Change 216 - (2022)
• A plume - mantle interaction model for the petrogenesis of komatiite - komatiitic basalt - basalt - basaltic andesite volcanism from the Paleoarchean (3.57 3.31 Ga) Iron Ore Group greenstone belts, Singhbhum craton, India: Constraints from trace element geochemistry and Sm Nd geochronology Adhikari A., Mukherjee S. , Vadlamani R. By Lithos 106315 106315- (2021)
• Petrogenesis of Neoarchean (2.80 2.75 Ga) Jagannathpur volcanics and the Ghatgaon and Keshargaria dyke swarms, Singhbhum craton, eastern India: Geochemical, Sr Nd isotopic and Sm Nd geochronologic constraints for interaction of enriched-DMM derived magma with metasomatised subcontinental lithospheric mantle. Adhikari A., Nandi A. , Mukherjee S. , Vadlamani R. By Lithos 400-401 106373- (2021)
• Archean evolution of the bastar craton-present status Vadlamani R., Chalapathi Rao N.V. By Proceedings of the Indian National Science Academy 86 81-86 (2020)
• Precambrian/Early paleozoic orogenic rocks in the Himalaya - Remnants of the leading edge of the Indian plate Vadlamani R., Pant N.C. By Proceedings of the Indian National Science Academy 86 167-173 (2020)
• Cambrian garnet sm-nd isotopic ages from the polydeformed bolangir anorthosite complex, eastern ghats belt, India: Implications for intraplate orogeny coeval with kuunga orogeny during gondwana assembly Vadlamani R. By Journal of Geology 127 437-456 (2019)
• Constraining paleoproterozoic (~1.7 Ga) collisional orogenesis between the Eastern Dharwar and Bastar cratons: New SmeNd garnet isochron and TheU-total Pb monazite chemical ages from the Bhopalpatnam orogen, central India Mukherjee S., Adhikari A. , Vadlamani R. By Lithos 350-351 - (2019)
• Zircon U-Pb age constraints for Tonian-early Cryogenian deposition of metasedimentary rocks from the Schirmacher Oasis, East Antarctica: Implications for correlations across the Mozambique Ocean Vadlamani R., Bühn B., Pimentel M. By Polar Science 18 39-47 (2018)
• Paleocene-Eocene carbon isotopic excursion (CIE) from the shallow-marine-carbonate sequence of Northeast India: Implication to the CIE magnitude and geometry Sreenivasan S. P., Bera M. K., Samanta A. , Vadlamani R. By Journal of Earth System Science 127 1-11 (2018)
• Recent Contributions to the Antarctic Geology - An Indian Perspective Pant N., Roy S. , Vadlamani R. , Ravindra R. By Proceedings of the Indian National Science Academy 83 269-278 (2017)
• Genetic aspects of gold mineralization in the Southern Granulite Terrain, India Sahoo A. K., Krishnamurthi R. , Vadlamani R. , Pruseth K. L., Narayanan M. , Varghese S. , Pradeepkumar T. By Ore Geology Reviews 72 1243-1262 (2016)
• Paleoproterozoic Cordilleran-style accretion along the south eastern margin of the eastern Dharwar craton: Evidence from the Vinjamuru arc terrane of the Krishna orogen, India Chatterjee C., Vadlamani R. , Kaptan O. By Lithos 263 122-142 (2016)

Principal Investigator

• Constraining tectonic setting of the paleoproterozoic Krishna province metaigneous rocks: implications for the geodynamic history of the active Eastern Dharwar cratonic margin
• How and when did one of the earliest terrestrial secondary crusts form: an approach utilizing Sr, Nd, Hf, Os and Pb Isotopic Geochemistry from Archean Mafic Rocks in the Singhbhum Craton
• Field Trip: Eastern Ghats Belt, India: A Glimpse of the Enigmatic Himalayan Inverted Metamorphic Sequence: A Classic Section Across the Darjeeling - Sikkim Himalayas (Code : NER003)
• Inferring Paleoarchean Crustal Evolution of the Bastar Craton from Granitoids and their Supracrustal Enclaves using Geochemistry and U - Pb, Sm - Nd and Lu - Hf Geochronology

Co-Principal Investigator

• Unrevealing the True Magnitude of the Paleocene-Eocene Carbon Isotope Excursion from Equatorial Marginal Marine Carbonate Succession of NE India