Dr. Naraga Prabhakar
Associate Professor
Department of Earth Sciences
Phone : +91-22-2576 7295
prabhakarnaraga[at]iitb.ac.in
prabhakarnaraga[at]gmail.com
About Me
Teaching
Academics
Positions
Awards & Honors
Publications
About Me
Research Interest
- Metamorphic Petrology: Fundamental processes of metamorphism, Fluid mediated metamorphic phase transformations, Metamorphic phase equilibria and P-T-t paths
- Tectonics: Archean crustal evolution, Tectonics of Proterozoic mobile belts and Deformation microstructures
- Electron Microbeam analysis: Mineral trace element analysis using Electron Probe Micro Analyzer (EPMA), Monazite mineral chemistry and geochronology using EPMA
Teaching
- GP-422: Geological Fieldwork (M.Sc. course)
- GP-413: Mineralogy and Petrology (M.Sc. course)
- GS-537: Geochemistry and Geochemical Thermodynamics (M.Sc. course)
- GS-818: Topics in Metamorphic Petrology (Ph.D. course)
- GS-558: Electron Probe Microanalysis and Mineral Chemistry (M.Sc. elective course)
- GS-318: Applied Geology for Civil Engineers (B.Tech. course)
Academics
- Ph.D. (Metamorphic Petrology and Tectonics), 2013
Indian Institute of Technology Kharagpur, West Bengal, India - M.Sc. (Applied Geology), 2009
Pondicherry University, Puducherry, India - B.Sc. (Mathematics, Physics and Geology), 2007
Osmania University, Hyderabad, India
Positions
- Associate Professor, Department of Earth Sciences, IIT Bombay (2021-present)
- Assistant Professor, Department of Earth Sciences, IIT Bombay (2014-2021)
Awards & Honors
- INSA Medal for Young Scientists 2020
- SERB (Science and Engineering Research Board) Fast track young scientist award, 2014
- Gold Medalist in M.Sc. (Pondicherry University), 2009
Publications
Google Scholar Link: https://scholar.google.com/citations?user=u4SlPmUAAAAJ&hl=en
*PhD students; **Post-doc students
- Sreejith K*, Bhadra S, Prabhakar N (2025). Metamorphic evolution of Neoarchean – Siderian mafic granulites from the northern margin of the Southern granulite Terrane, India and its bearing on early–Earth convergent margin processes. Journal of Asian Earth Sciences. (Accepted – in press)
- Nahak SK*, Dasgupta S**, Prabhakar N, Banerjee S (2025). Correlation of Paleo‐Mesozoic Sandstones Based on Heavy Mineral Chemistry and Th–U–Total Pb Monazite Dating: Implications on Paleogeographic Reconstruction in Eastern Gondwanaland. Geological Journal. (https://doi.org/10.1002/gj.70023)
- Nag R*, Hrushikesh H, Cogné N, George BG, Thabah DJ, Prabhakar N (2025). Petrogenesis and tectonic significance of∼6 Ga and∼ 0.5 Ga A-type granite magmatism in the Assam-Meghalaya Gneissic Complex (NE India): Insights from geochronology, geochemistry and Sr-Nd isotopes. Geochemistry, v. 85(3), art. 126265. (https://doi.org/10.1016/j.chemer.2025.126265)
- Nag R*, Cogné N, Hrushikesh H, Prabhakar N, Mishra D (2025). Petrochronology and geochemistry of migmatites from the Assam-Meghalaya gneissic complex (NE India): Implications for the crustal anatexis and reworking during Gondwana assembly. Precambrian Research, v. 418, art. 107670. (https://doi.org/10.1016/j.precamres.2024.107670)
- Sahu M*, Banerjee A**, Prabhakar N, Amal Dev J, Ghosh S, Sheth HC, Tomson JK (2025). Zircon-monazite geochronology, petrogenesis and deformation of the Gyangarh-Anjana monzogranites (Aravalli Craton): records of two Proterozoic orogenic events in Northwestern India. Geological Magazine, v. 162:e13. (https://doi:10.1017/S0016756825000068)
- Nahak* SK, Dasgupta S, Prabhakar N, Banerjee S (2025). Paleozoic to Mesozoic paleotectonic reconstructions of Gondwana assembly: insights from petrography, heavy mineral chemistry and detrital U–Th–total Pb monazite geochronology of sandstones in the Pranhita-Godavari Basin (SE India). Marine and Petroleum Geology, v. 166, art. 106914. (https://doi.org/10.1016/j.marpetgeo.2024.106914)
- Banerjee A**, Sequeira N, Cogné N, Prabhakar N, Bhattacharya A (2024). The South Purulia Shear Zone, eastern India: Its anatomy and implication for timing the Rodinia-age collision in the eastern part of the Central Indian Tectonic Zone. Geosphere, v. 20(6): 1483-510. (https://doi.org/10.1130/GES02769.1)
- Banerjee** A, Piazolo S, Cogne N, Bhattacharya A, Prabhakar N (2024). Origin of discordant UPb dates in non-metamict zircons in intrusives deformed at granulite facies: Grain scale processes, and relevance to Cambrian orogeny, Eastern Ghats Belt, India. Chemical Geology, v. 663, art. 122246. (https://doi.org/10.1016/j.chemgeo.2024.122246)
- Nag* R, Hrushikesh* H, Cogné N, Prabhakar N (2024). Late Neoproterozoic to early Cambrian high-grade metamorphism from Mikir Hills (Assam-Meghalaya gneissic Complex, northeast India): Implications for eastern Gondwana assembly. Geoscience Frontiers, v. 15, art. 101850. (https://doi.org/10.1016/j.gsf.2024.101850)
- Rajak* PK, Prabhakar N, Banerjee S (2024). Tracing source and palaeo‐weathering conditions of quartzose sandstone in the Cretaceous Cambay Basin: A combined petrographical, geochemical and geochronological approach. Geological Journal, v. 59, pp. 762-783. (https://doi.org/10.1002/gj.4891)
- Rajak* PK, Prabhakar N, Banerjee S, Dev JA, George BG, Tomson JK (2024). Provenance of mesozoic sandstones in the Saurashtra Basin using heavy minerals geochemistry and geochronology: Implications for paleogeographic reconstruction in Western India. Marine and Petroleum Geology, v. 162, art. 106732. (https://doi.org/10.1016/j.marpetgeo.2024.106732)
- Ghosh* S, Tomson JK, Prabhakar N, Sheth H (2023). An extended Neoarchaean to Neoproterozoic history of the Sandmata Complex (Aravalli Craton, northwestern India): Insights from metamorphic evolution and zircon-monazite geochronology of high-grade quartzofeldspathic gneisses. Precambrian Research, v. 394, art. 107107. (https://doi.org/10.1016/j.precamres.2023.107107)
- Ghosh* S, Prabhakar N, Nag* R (2023) Ti-in-zircon and Ti-in-quartz thermometry using electron probe microanalysis: A promising approach in retrieving thermal conditions of granulite facies metamorphism and felsic magmatism in the Sandmata Complex, Aravalli Craton (NW India). Geological Journal, 58, pp. 3220-3246. (https://doi.org/10.1002/gj.4773)
- Ghosh* S, D’Souza* J, Goud BR, Prabhakar N, (2022). A review of the Precambrian tectonic evolution of the Aravalli Craton, northwestern India: Structural, metamorphic and geochronological perspectives from the basement complexes and supracrustal sequences. Earth-Science Reviews, v. 232, art. 104098. (https://doi.org/10.1016/j.earscirev.2022.104098)
- Singh** PC, Ghosh* S, Prabhakar N, Hrushikesh* H, (2022). Neoarchean–Paleoproterozoic HP-HT metamorphism in the Bhopalpatnam granulite belt, Bastar Craton (India): Insights from phase equilibria modelling and monazite geochronology. Precambrian Research, v. 373, art. 106629. (https://doi.org/10.1016/j.precamres.2022.106629)
- Rajak* PK, Chaudhuri A, Prabhakar N, Banerjee S, (2022). Tracking sources and paleotectonic settings of Mesozoic sandstones in interlinked rift basins of western India: An integrated approach using petrography and heavy mineral chemistry. Journal of Palaeogeography, v. 11, pp. 173-193. (https://doi.org/10.1016/j.jop.2022.02.001)
- Banerjee** A, Sequeira N, Cogné N, Prabhakar N, Bhattacharya A, Ao S (2022). Early Neoproterozoic Tectonics in the Godhra–Chhota Udepur Sector: Evidence for Two-Stage Accretion in the Great Indian Proterozoic Fold Belt. Lithosphere, Sp. Vol. 8, (https://doi.org/10.2113/2022/9322892)
- Banerjee** A, Prabhakar N, Sequeira N, Cogne N, Bhattacharya A (2022). Dynamics of early Neoproterozoic accretion, west-central India: II ~1.65 Ga HT-LP and ~0.95 Ga LT-HP metamorphism in Godhra-Chhota Udepur, and a tectonic model for Early Neoproterozoic accretion. Lithos, v. 422-423, art. 106740. (https://doi.org/10.1016/j.lithos.2022.106740)
- ALI‐BIK MW, Ghosh* S, Prabhakar N, RAHIM SHAE Moussa HE (2022). Tonian–Ediacaran Tectonometamorphic History of the Sa’al Complex, Sinai (Egypt): Implications for the Tectonostratigraphic Framework of the Northern Arabian–Nubian Shield. Acta Geologica Sinica‐English Edition, v. 96, pp.1545-1565. (https://doi.org/10.1111/1755-6724.14915)
- D’Souza* J, Prabhakar N, Sheth H, Xu Y (2021). Metamorphic P–T–t–d evolution of the Mesoproterozoic Pur‐Banera supracrustal belt, Aravalli Craton, northwestern India: Insights from phase equilibria modelling and zircon–monazite geochronology of metapelites. Journal of Metamorphic Geology, v. 39, pp. 1173-1204. (https://doi.org/10.1111/jmg.12606)
- Deshmukh* T, Prabhakar N, Bhattacharya A (2021). Proterozoic high-temperature–low-pressure metamorphism in the mahakoshal belt, central indian tectonic zone (India): Structure, metamorphism, U-Th-Pb monazite geochronology, and tectonic implications. The Journal of Geology, v. 129, pp. 417-444. (https://doi.org/10.1086/715791)
- Ghosh* S, Prabhakar N, D’Souza* J, (2021). Origin of multilayer corona textures in mafic granulites from the Sandmata Complex, Aravalli Craton (northwestern India): petrological characteristics and tectonic implications. Contributions to Mineralogy and Petrology, 176, art. 35. (https://doi.org/10.1007/s00410-021-01782-9)
- Hrushikesh* H, Praveen C Singh, Prabhakar N, Sachin K Thakur, B Dey (2020). Tectonothermal evolution of a collision orogen in the Khammam region, southeastern India: insights from structures, phase equilibria and U–Th–(total) Pb monazite geochronology. Contributions to Mineralogy and Petrology, 175, pp. 1-20. (https://doi.org/10.1007/s00410-020-01744-7)
- D’Souza* J, Sheth H, Xu Yigang, Wegner W, Prabhakar N, Sharma KK, Koeberl C (2020). Neoarchean crustal reworking in the Aravalli Craton: Petrogenesis and tectonometamorphic history of the Malola granite, Bhilwara area, northwestern India. Geological Journal, 55, pp. 8186-8210. (https://doi.org/10.1002/gj.3927)
- Chaudhuri* A, Banerjee S, Prabhakar N, Das A (2020). The use of heavy mineral chemistry in reconstructing provenance: A case study from Mesozoic sandstones of Kutch Basin, India. Geological Journal, 55, pp. 7807-7817. (https://doi.org/10.1002/gj.3922)
- Deshmukh* T, Prabhakar N (2020). Linking collision, slab breakoff and subduction polarity reversal in the evolution of the Central Indian Tectonic Zone. Geological Magazine, v. 157, pp. 340-350. (https://doi.org/10.1017/S0016756819001419)
- D’Souza* J, Prabhakar N, Xu Y, Sharma KK, Sheth H (2019). Mesoarchean to Neoproterozoic (3.2–0.8 Ga) crustal growth and reworking in the Aravalli Craton, northwestern India: Insights from the Pur-Banera supracrustal belt. Precambrian Research, v. 332, art. 105383. (https://doi.org/10.1016/j.precamres.2019.105383)
- Hrushikesh* H, Prabhakar N, Bhattacharya A (2019). Mesoproterozoic P–T–t–d history of metapelites from the Vinjamuru domain, Nellore schist belt (SE India), and implications for SE India–East Antarctica correlation. Precambrian Research, v. 327, pp. 273-295. (https://doi.org/10.1016/j.precamres.2019.04.002)
- Deshmukh* T, Prabhakar N, Bhattacharya A, Madhavan K (2017). Late Paleoproterozoic clockwise P–T history in the Mahakoshal Belt, Central Indian Tectonic Zone: Implications for Columbia supercontinent assembly. Precambrian Research, v. 298, pp. 56-78. (https://doi.org/10.1016/j.precamres.2017.05.020)
- Prabhakar N, Bhattacharya A, Mukherjee PK (2016). The origin of chloritoid – 3-mica pseudomorph growth in staurolite-muscovite schist, Bangriposi (Eastern India). Journal of Metamorphic Geology, 34, pp. 463-482. (https://doi.org/10.1111/jmg.12189)
- Patel SC, Khalkho R, Patel SK, Sheikh JM, Behera D, Chaudhari S, Prabhakar N (2014). Fluoride contamination of groundwater in parts of eastern India and a preliminary experimental study of fluoride adsorption by natural haematite iron ore and synthetic magnetite. Environmental Earth Sciences, 72, pp. 2033-2049. (https://doi.org/10.1007/s12665-014-3112-1)
- Prabhakar N, Bhattacharya A, Satyanarayanan M, Mukherjee PK (2014) Structural, petrological and chronological constraints from eastern India, and implications for the ~1.0 Ga assembly of Greater India. The Journal of Geology, 122, pp. 411-432. (https://doi.org/10.1086/676459)
- Rekha S, Vishwanath TA, Bhattacharya A, Prabhakar N (2013) Meso/Neoarchean crustal domains along the north Konkan coast, western India: the Western Dharwar Craton and the Antongil-Masora Block (NE Madagascar) connection. Precambrian Research, 233, pp. 316-336. (https://doi.org/10.1016/j.precamres.2013.05.008)
- Prabhakar N, Bhattacharya A (2013) Origin of zoned spinel by coupled dissolution-precipitation and inter-crystalline diffusion: Evidence from serpentinized wehrlite, Bangriposi, Eastern India. Contributions to Mineralogy and Petrology, v. 166, pp. 1047-1066. (https://doi.org/10.1007/s00410-013-0909-y)
- Prabhakar N (2013) Resolving poly-metamorphic Paleoarchean ages by chemical dating of monazites using multi-spectrometer U, Pb and Th analyses and sub-counting methodology. Chemical Geology, 347, pp. 255-270. (https://doi.org/10.1016/j.chemgeo.2013.04.012)
- Prabhakar N, Bhattacharya A (2013) Paleoarchean partial convective overturn in the Singhbhum Craton, Eastern India. Precambrian Research, v. 231, pp. 106-121. (https://doi.org/10.1016/j.precamres.2013.03.009)