[PDF][PDF] Proterozoic Alkaline rocks and carbonatites of Peninsular India: A review

D Paul, J Chandra, M Halder - Episodes, 2020 - academia.edu
Alkaline igneous rocks, defined in terms of their total alkali (Na2O+ K2O) and SiO2
compositions, include a wide range of rocks that contain modal/normative alkali-rich …

Petrogenesis of Mediterranean lamproites and associated rocks: The role of overprinted metasomatic events in the post-collisional lithospheric upper mantle

M Casalini, R Avanzinelli, S Tommasini, C Natali… - 2022 - pubs.geoscienceworld.org
High-MgO lamproite and lamproite-like (ie lamprophyric) ultrapotassic rocks are recurrent in
the Mediterranean and surrounding regions. They are associated in space and time with …

Stable isotopic study of carbonatites from the Pakkanadu Alkaline Complex, southern India: Constraints on carbonatite melt evolution and sub-solidus, high …

RK Srivastava, S Banerjee, FJ Longstaffe, S Bhagat… - Lithos, 2022 - Elsevier
Abstract Carbonatites of the Pakkanadu Alkaline Complex (PAC) of the Dharmapuri Rift
Zone (DRZ), in the Northern Granulite Terrain (NGT) of southern India, were intruded as …

Formation of~ 2.5 Ga Sittampundi anorthosite complex in southern India: Implications to lower crustal stabilization of the Dharwar Craton

HL He, YQ Wang, PM George, K Sajeev, JH Guo… - Precambrian …, 2021 - Elsevier
Mantle-derived magmas at the base of the lower crust exerted a key control on late Archean
cratonization in many continents. Since well-preserved, complete lower crustal section is …

Multiple rifting and alkaline magmatism in southern India during Paleoproterozoic and Neoproterozoic

ML Renjith, M Santosh, M Satyanarayanan, DVS Rao… - Tectonophysics, 2016 - Elsevier
Abstract The Southern Granulite Terrane (SGT) in India preserves the history of
tectonothermal events ranging from Paleoarchean to latest Neoproterozoic–Cambrian. Here …

Petrology, U-Pb titanite dating and Sr-Nd isotope geochemistry of a shoshonitic lamprophyre dyke near the Western Dharwar Craton-Southern Granulite Terrane …

S Raghuvanshi, NVC Rao, D Talukdar, B Belyatsky… - Precambrian …, 2023 - Elsevier
We present petrology, U-Pb titanite geochronology, bulk-rock and Sr-Nd geochemistry of an
undeformed and unmetamorphosed shoshonitic lamprophyre (spessartite) from the Mysuru …

Zircon U-Pb and trace element constraints on the evolution of the Tonian (829–831 Ma) alkaline plutons within the Mercara Shear Zone, south India

SS Mishra, CK Boraiaha, J Sláma, R Chandan - Geochemistry, 2023 - Elsevier
The research sheds light on the age, origin, and tectonic environment of two significant
alkaline plutons, Sullya and Angadimogar, located in the Mercara Shear Zone in the …

[HTML][HTML] Arc-related Alaskan type magmatism: evidence from pyroxenites associated with the Pakkanadu alkaline-ultramafic complex, Southern India

J Pattnaik, A Ashutosh, PA Janaarthanan… - Frontiers in Earth …, 2024 - frontiersin.org
Petrological and major-trace element mineral chemistry studies have been carried out on
pyroxenites from the Pakkanadu alkaline-ultramafic complex from the southern India to …

Petrology, geochemistry and zircon U–Pb geochronology of the Jurassic porphyry dykes in the Dehua gold field, Southeast China: genesis and geodynamics

N Xu, SR Li, M Santosh, B Tong - Geological Journal, 2018 - Wiley Online Library
The widespread tectonic and magmatic events in Southeast China during the Mesozoic
were accompanied by large‐scale metallogenesis. Here, we investigate the petrology …

The anatomy of the 750 Ma Bavali shear zone in South India: did the integration of India into East Gondwanaland initiate in the mid-Neoproterozoic?

M Swain, S Rekha, S Nanda… - International Journal of …, 2023 - Springer
Abstract The South Indian Granulite Terrane is traversed by several crustal scale shear
zones, however the tectonic significance of the shear zones are poorly understood. The …