Search Results - "Bhaskar Rao, Y. J."

Deep crustal seismic reflection images from the Dharwar craton, Southern India—evidence for the Neoarchean subduction by Mandal, Biswajit, Rao, V Vijaya, Sarkar, Dipankar, Bhaskar Rao, Y J, Raju, S, Karuppannan, P, Sen, Mrinal K

“…Abstract Major part of the Earth's continental crust is evolved during the Archean, however, the mechanism for its formation is controversial. It could have…”
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Evidence for Neoarchean basement for the Deccan Volcanic flows around Koyna-Warna region, western India: Zircon U-Pb age and Hf-isotopic results by Bhaskar Rao, Y. J., Sreenivas, B., Vijaya Kumar, T., Khadke, Namrata, Kesava Krishna, A., Babu, E. V. S. S. K.

“…Deep boreholes around the Koyna-Warna seismic zone in the southwestern part of the Deccan Volcanic Province (DVP) enable a rare access to the basement beneath…”
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Juvenile Crust Formation in the Precambrian Singhbhum, Dharwar Cratons and the Southern Granulite Terrain, India and Geodynamic Transitions: Evidence from Zircon U-Pb age-Hf Isotope Systematics by Vijaya Kumar, T., Bhaskar Rao, Y. J., Babu, E. V. S. S. K., Sreenivas, B.

“…Zircon age-Hf isotopic data on the Archean Singhbhum and Dharwar cratons and the Archean-Proterozoic Southern Granulite Terrain (SGT) obtained at the CSIR-NGRI…”
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Vestiges of Precambrian subduction in the south Indian shield? - A seismological perspective by Kumar, M. Ravi, Singh, Arun, Rao, Y.J. Bhaskar, Srijayanthi, G., Satyanarayana, H.V., Sarkar, D.

“…Investigation of large scale suture zones in old continental interiors offers insights into the evolution of continents. The Dharwar Craton (DC) and the…”
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Variations in crustal and lithospheric structure across the Eastern Indian Shield from passive seismic source imaging: Implications to changes in the tectonic regimes and crustal accretion through the Precambrian by Mandal, Prantik, Kumar, Prakash, Sreenivas, B., Babu, E.V.S.S.K., Bhaskar Rao, Y.J.

“…•A marked crustal (~4–8 km) and lithospheric (~15–20 km) thinning is detected beneath the SOC.•Such a crustal configuration in SOC is attributed to the…”
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National Geophysical Research Institute (NGRI) Completes Fifty Years of Service to the Nation by Bhaskar Rao, Y. J.

“…The establishment of the National Geophysical Research Institute (NGRI) under the Council of Scientific and Industrial Research (CSIR), Ministry of Science and…”
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Geochemistry and neodymium model ages of Precambrian charnockites, Southern Granulite Terrain, India: Constraints on terrain assembly by Tomson, J.K., Bhaskar Rao, Y.J., Vijaya Kumar, T., Choudhary, A.K.

“…► New geochemical and Sr–Nd isotopic data for charnockites from the Southern Granulite Terrain (SGT), India are reported. ► A first ever comprehensive Sm–Nd…”
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The Karnataka Late Cretaceous Dykes as products of the Marion Hot Spot at the Madagascar - India Breakup Event: Evidence from 40Ar-39Ar geochronology and geochemistry by Kumar, Anil, Pande, K., Venkatesan, T. R., Rao, Y. J. Bhaskar

“…Two late Cretaceous mafic dykes with an ENE strike that is orthogonal to the west coast of India and located nearly 200 km inland around Huliyardurga,…”
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Zircon U–Pb ages and Hf and O isotope systematics of crustal zircons from Mesoproterozoic kimberlites of the Dharwar craton, India: Implications for Neoarchean craton assembly by Babu, E.V.S.S.K., Griffin, W.L., Norris, Roger, Belousova, Elena, O'Reilly, Suzanne Y., Bhaskar Rao, Y.J.

“…[Display omitted] •Crustal and mantle debris in kimberlites provide insights into the ambient deep earth processes.•1.1 Ga kimberlites of the Dharwar craton,…”
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Sm-Nd and Rb-Sr ages and P-T history of the Archean Sittampundi and Bhavani layered meta-anorthosite complexes in Cauvery shear zone, South India: evidence for Neoproterozoic reworking of Archean crust by Rao, Y. J. Bhaskar, Chetty, T. R. K., Janardhan, A. S., Gopalan, K.

“…Sittampundi and Bhavani Archean layered meta-anorthosite complexes occur as tectonic lenses within the Cauvery shear zone (CSZ), a crustal scale shear dividing…”
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Schirmacher Oasis as an Extension of the Neoproterozoic East African Orogen into Antarctica: New Sm‐Nd Isochron Age Constraints by Ravikant, V., Bhaskar Rao, Y. J., Gopalan, K.

“…The chronology of tectonometamorphic events in granulite terranes of Dronning Maud Land, East Antarctica, is relevant to the controversy regarding the…”
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Investigations related to scientific deep drilling to study reservoir-triggered earthquakes at Koyna, India by Gupta, Harsh, Purnachandra Rao, N., Roy, Sukanta, Arora, Kusumita, Tiwari, V. M., Patro, Prasanta K., Satyanarayana, H. V. S., Shashidhar, D., Mallika, K., Akkiraju, Vyasulu V., Goswami, Deepjyoti, Vyas, Digant, Ravi, G., Srinivas, K. N. S. S. S., Srihari, M., Mishra, S., Dubey, C. P., Raju, D. Ch. V., Borah, Ujjal, Chinna Reddy, K., Babu, Narendra, Rohilla, Sunil, Dhar, Upasana, Sen, Mrinal, Bhaskar Rao, Y. J., Bansal, B. K., Nayak, Shailesh

“…Artificial water reservoir-triggered earthquakes have continued at Koyna in the Deccan Traps province, India, since the impoundment of the Shivaji Sagar…”
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The Cauvery Shear Zone, Southern Granulite Terrain, India: A crustal-scale flower structure by Chetty, T.R.K., Bhaskar Rao, Y.J.

“…The Cauvery Shear Zone (CSZ) is a crustal-scale shear system within the Southern Granulite Terrain along the southern margin of the Archaean Dharwar craton…”
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Crustal velocity structure of the Neoarchean convergence zone between the eastern and western blocks of Dharwar Craton, India from seismic wide-angle studies by Vijaya Rao, V., Murty, A.S.N., Sarkar, Dipankar, Bhaskar Rao, Y.J., Khare, Prakash, Prasad, A.S.S.S.R.S., Sridher, V., Raju, S., Rao, G.S.P., Karuppannan, Prem Kumar, N., Sen, Mrinal K.

“…•Neoarchean accretion in the Dharwar Craton.•Crustal thickness varies from 38km to 42km across CSZ.•Variation in crustal thickness is gradational without any…”
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Imprints of diverse mantle deformational episodes in the Cauvery Suture Zone, South India by Roy, Sunil K., Kumar, M. Ravi, Bhaskar Rao, Y.J., Srijayanthi, G., Srinagesh, D., Satyanarayana, H.V., Sarkar, D.

“…•Analysis of mantle deformation in a paleo suture zone in a Precambrian shield.•Azimuths of fast axis do not correlate with the present day absolute plate…”
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CSIR–National Geophysical Research Institute, Hyderabad by Rao, Y. J. Bhaskar, Ahmed, Shakeel, Gahalaut, Vineet, Kumar, Anil, Kumar, M. Ravi

“…The National Geophysical Research Institute, Hyderabad, under the aegis of the Council of Scientific and Industrial Research, New Delhi, continued its…”
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Geology, geochemistry and geochronology of the Archaean Peninsular Gneiss around Gorur, Hassan District, Karnataka, India by BHASKAR RAO, Y. J, NAHA, K, SRINIVASAN, R, GOPALAN, K

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Charnockite genesis across the Archaean–Proterozoic terrane boundary in the South Indian Granulite Terrain: Constraints from major–trace element geochemistry and Sr–Nd isotopic systematics by Tomson, J.K., Bhaskar Rao, Y.J., Vijaya Kumar, T., Mallikharjuna Rao, J.

“…Major, trace element compositions and Sr–Nd isotopic characteristics of charnockitic gneisses from the Southern Granulite Terrain (SGT), South India are…”
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Constrictive deformation in transpressional regime: field evidence from the Cauvery Shear Zone, Southern Granulite Terrain, India by Chetty, T.R.K., Bhaskar Rao, Y.J.

“…The paper describes a typical field example of rarely preserved complex structural patterns related to constrictional strain from the deeply eroded central…”
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Interaction Meet on Contribution to Earth Science Research over the Last Fifty Years by Bhaskar Rao, Y. J.

“…As part of the Golden Jubilee celebrations of CSIR-NGRI, distinguished geoscientists from India and abroad delivered popular lectures on a wide range of…”
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