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Browsing by Author "Santosh, M."

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An appraisal of geochemical signatures of komatiites from the greenstone belts of Dharwar Craton, India: Implications for temporal transition and Archean upper mantle hydration

Ganguly, S.; Santosh, M.; Manikyamba, C. (Geological Journal. 54(5); 2019; 3088-3111.)

Archean ultramafic-mafic magmatism associated with dynamic mantle melting processes represents an integral part of crustal evolution and continental growth. Archean mantle plumes and their high temperature derivatives in ...
Archean seawater composition and depositional environment - Geochemical and isotopic signatures from the stromatolitic carbonates of Dharwar Craton, India

Khelen, A.C.; Manikyamba, C.; Subramanyam, K.S.V.; Santosh, M.; Ganguly, S.; Kalpana, M.S.; Rao, D.V.S. (Precambrian Research. 130; 2019; 35-57.)

The well-preserved stromatolitic carbonates from Neoarchean Sandur, Chitradurga and Shimoga greenstone belts of Dharwar Craton were studied to constrain the depositional conditions, geochemical, isotopic characteristics ...
Coupled U-Pb and Rb-Sr laser ablation geochronology trace Archean to Proterozoic crustal evolution in the Dharwar Craton, India

Li, S-S.; Santosh, M.; Farkas, J.; Redaa, A.; Ganguly, S.; Kim, S.W.; Zhang, C.; Gilbert, S.; Zack, T. (Precambrian Research. 343; 2020; ArticleID_105709.)

The Western Dharwar Craton (WDC) and the Karwar Block (KB) in southern Peninsular India provide important windows to Earth's early crustal evolution and continental growth as these domains likely represent fragments of the ...
Episodic recycling of ancient metasomatized continental lithosphere: Evidence from lower oceanic crust of the Central Indian Ridge

Saha, A.; Hazra, A.; Santosh, M.; Ganguly, S.; Li, S-S.; Manikyamba, C. (Lithos. 400-401; 2021; ArticleID_106424.)

The tectonic and magmatic processes contributing to the heterogeneous nature of the upper mantle posit important constraints on the composition and differentiation of the Earth at various scales. Mid-oceanic ridges of ...
Evolution of a Mesoarchean suprasubduction zone mantle wedge in the Dharwar Craton, southern India: Evidence from petrology, geochemistry, zircon U-Pb geochronology, and Lu-Hf isotopes

Han, Y-S.; Santosh, M.; Ganguly, S.; Li, S-S. (Geological Journal. 54(5); 2019; 2935-2956.)

Petrological, geochemical, and zircon U-Pb geochronological features of Archean ultramafic-mafic complexes formed in subduction-related settings provide significant insights into mantle source and geodynamic processes ...
Evolution of the Indian subcontinent: Introduction

Hari, K.R.; Shaji, E.; Ganguly, S.; Rajesh, V.J.; Santosh, M. (Geological Journal. 54(5); 2019; 2755-2758.)
Extensional collapse of the Gondwana orogen: Evidence from Cambrian mafic magmatism in the Trivandrum Block, southern India

Yang, Q-Y.; Ganguly, S.; Santosh, M.; Shaji, E.; Dong, Y.; Nanda-Kumar, V. (Geoscience Frontiers. 10(1); 2019; 263-284.)

The assembly of Late Neoproterozoic - Cambrian supercontinent Gondwana involved prolonged subduction and accretion generating arc magmatic and accretionary complexes, culminating in collision and formation of high grade ...
Geochemical cycling during subduction initiation: Evidence from serpentinized mantle wedge peridotite in the south Andaman ophiolite suite

Saha, A.; Santosh, M.; Ganguly, S.; Manikyamba, C.; Ray, J.; Dutta, J. (Geoscience Frontiers. 9(6); 2018; 1755-1775.)

The ophiolite suite from south Andaman islands forms part of the Tethyan Ophiolite Belt and preserves the remnants of an ideal ophiolite sequence comprising a basal serpentinized and tectonised mantle peridotite followed ...
Meso-Neoarchean magmatism and episodic crustal growth in the Kudremukh-Agumbe granite-greenstone belt, western Dharwar Craton, India

Pahari, A.; Tang, L.; Manikyamba, C.; Santosh, M.; Subramanyam, K.S.V.; Ganguly, S. (Precambrian Research. 323; 2019; 16-54.)

Mafic volcanic rocks and dykes associated with Na-rich TTG and K-rich granites in the Kudremukh greenstone belt of western Dharwar Craton provides a window to Precambrian crustal evolution in the southern Peninsular India. ...
Mesozoic felsic volcanic rocks from the North China craton: Intraplate magmatism associated with craton destruction

He, X-F.; Santosh, M.; Ganguly, S. (Geological Society of America Bulletin. 129(42954); 2017; 947-969.)

The North China craton preserves the history of crustal growth and craton formation during the early Precambrian, followed by extensive lithospheric thinning in the Mesozoic associated with large-scale magmatism and ...
Neoarchean microblock amalgamation in southern India: evidence from the Nallamalai Suture Zone

Li, S-S.; Santosh, M.; Ganguly, S.; Thanooja, P.V.; Sajeev, K.; Pahari, A.; Manikyamba, C. (Precambrian Research. 314; 2018; 1-27.)

A collage of crustal blocks ranging in age from Mesoarchean to Neoarchean accreted to the southern margin of the Dharwar Craton in Peninsular India preserve distinct evolutionary history, but share a common metamorphic ...
Paleoproterozoic arc basalt-boninite-high magnesian andesite-Nb enriched basalt association from the Malangtoli volcanic suite, Singhbhum Craton, eastern India: Geochemical record for subduction initiation to arc maturation continuum

Singh, M.R.; Manikyamba, C.; Ganguly, S.; Ray, J.; Santosh, M.; Singh, Th.D.; Kumar, B.C. (Journal of Asian Earth Sciences. 134(); 2017; 191-206.)

The Singhbhum Craton of eastern India preserves distinct signatures of ultramafic-mafic-intermediate-felsic magmatism of diverse geodynamic affiliations spanning from Paleo-Mesoarchean to Proterozoic. Here we investigate ...
Tectonic juxtaposition of plume and subduction derived magmatic sequences in the Bababudan greenstone terrane, western Dharwar Craton, India: Constraining crustal accretion processes in a Neoarchean subduction-collision orogeny

Manikyamba, C.; Ganguly, S.; Santosh, M.; Tang, L.; Sindhuja, C.S.; Pahari, A.; Singh, Th.D.; Saha, A. (Precambrian Research. 355; 2021; ArticleID_106097.)

Archean greenstone belts in the Western Dharwar Craton preserve important clues on Early Earth geodynamics. Here we investigate the ultramafic-mafic metavolcanic rock sequences from the Santaveri Formation of Bababudan ...
U enrichment and Th/U fractionation in Archean boninites: Implications for paleo-ocean oxygenation and U cycling at juvenile subduction zones

Manikyamba, C.; Said, N.; Santosh, M.; Saha, A.; Ganguly, S.; Subramanyam, K.S.V. (Journal of Asian Earth Sciences. 157; 2017; 187-197.)

Phanerozoic boninites record enrichments of U over Th, giving Th/U 0.5-1.6, relative to intraoceanic island arc tholeiites (IAT) where Th/U averages 2.6. Uranium enrichment is attributed to incorporation of shallow, oxidized ...
Volcano-sedimentary and metallogenic records of the Dharwar greenstone terranes, India: Window to Archean plate tectonics, continent growth, and mineral endowment

Manikyamba, C.; Ganguly, S.; Santosh, M.; Subramanyam, K.S.V. (Gondwana Research. 50; 2017; 38-66.)

The Dharwar Craton in southern peninsular India incorporates well developed Meso-Neoarchean greenstone terranes where komatiite-tholeiite and picrite-boninite-Nb-enriched basalt-high Mg-andesite- and adakite are well-preserved. ...

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Browsing by Author "Santosh, M."

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