Tracing the crustal evolution of the Precambrian Southern Granulite terrane in East Gondwana: New insights from zircon U-Pb/Hf geochronology

JK Tomson, JA Dev - Bulletin, 2024 - pubs.geoscienceworld.org
Abstract The Precambrian Southern Granulite terrane of south India has a crustal evolution
history broadly bracketed between the late Archean and Cambrian with records of …

Age and petrogenesis of mafic granulites from central Madurai block, south India: implications on regional tectonics

JA Dev, JK Tomson, TV Kumar, N Sorcar - Geological Magazine, 2023 - cambridge.org
The Precambrian Southern Granulite Terrane (SGT) of south India is well-known for the
preservation of high-to ultrahigh-temperature (HT-UHT) granulites, prominently exposed in …

U-Pb geochronology of rutiles from Southern granulite Terrane, India: Implications for the cooling and exhumation of East Gondwanan terranes

JA Dev, JK Tomson - Precambrian Research, 2024 - Elsevier
Abstract The Precambrian Southern Granulite Terrane of south India figures prominently in
the East African collisional orogen, linked to the assembly of the East Gondwana …

Metamorphic evolution of granulites from Grovnes Peninsula of Larsemann Hills, East Antarctica: Constraints from phase equilibrium modelling and geochronology

N Sorcar, JA Dev, S Mukherjee, KB Joshi, BP Rao - Polar Science, 2023 - Elsevier
Petrology, geothermobarometry, and phase equilibrium modelling of garnetiferous felsic
gneiss from Grovnes peninsula in the Larsemann Hills of Prydz Bay, East Antarctica provide …

Detrital zircon U-Pb ages and Hf isotopes of quartzites from Southern Granulite Terrane, India: Implications for the Precambrian crustal evolution and paleogeography

JK Tomson, JA Dev - Precambrian Research, 2024 - Elsevier
Abstract Tectonic evolution of Southern Granulite Terrane (SGT) of south India and its
relationship with adjacent continental fragments in the context of supercontinent …

Neoproterozoic Mafic Magmatism in Nagercoil Block, Southern India and Its Implications on the Gondwana Collisional Orogeny

S Sajna, JK Tomson, JA Dev, N Sorcar, TV Kumar - Minerals, 2022 - mdpi.com
The Nagercoil block situated at the southernmost tip of India occupies a key position in the
East Gondwana collisional tectonic models. The Nagercoil block is dominated by Orosirian I …

Geochronological and metal isotopic studies in India: an overview of new and existing geoanalytical facilities in India

PK Mukherjee, P Kumar, S Singhal, P Singh… - Proceedings of the …, 2024 - Springer
This manuscript enlists Indian research laboratories that are equipped with sophisticated
instrumental facilities to cater the needs of Indian geoscientific community for high precision …

Estimation of Moho Depth Beneath Southern Indian Shield by Inverting Gravity Anomalies Constrained by Seismic Data

A Roy, M Prasad, JK Tomson - Journal of Geophysical …, 2023 - Wiley Online Library
This study presents a high‐resolution 3D Moho structure beneath southern India and its
surrounding regions from observed gravity anomalies. The global gravity disturbance model …

Origin and thermal evolution of Cr-V-Ti magnetites (lodestones) from Coorg massif, South India

V Deepchand, JA Dev, VJ Rajesh, N Sorcar… - Geochemistry, 2024 - Elsevier
This study deals with petrology, textural, thermometry, and geochemical characterization of
naturally magnetized Cr-V-Ti magnetite deposits within the layered mafic-ultramafic …

Timing of Garnet Growth in Granulites from Southern India: Insights from Zircon-monazite-garnet REE Partition Modeling

S Sajna, JK Tomson, JA Dev, N Sorcar - … of the Geological Society of India, 2023 - Springer
The Nagercoil block, which is situated at the southernmost part of the Southern Granulite
Terrane of south India, is dominantly comprised of garnet-bearing I-type massive …