Secular evolution of the subcontinental lithospheric mantle beneath Indian cratons: Insights from geochemistry and geochronology of the Precambrian mafic dykes

OP Pandey, D Paul - Lithos, 2022 - Elsevier
Abstract The Indian Shield is comprised of the Dharwar, Bastar, Singhbhum, Bundelkhand,
and Aravalli Cratons, intruded by distinct mafic dyke swarms of different generations (ca. 2.8 …

Paleogeography of India at∼ 1.8 Ga: New constraints from baddeleyite geochronology and paleomagnetism of mafic dykes from the Dharwar craton

V Parashuramulu, E Nagaraju, R Shankar… - Precambrian …, 2023 - Elsevier
The paleogeographic position of Dharwar craton/India within Paleoproterozoic
supercontinent configurations has been well demonstrated using highly reliable key …

Precise Pb-Pb baddeleyite geochronology, geochemistry, and Sr-Nd isotopic constraints on the 2.36 & 1.88 Ga mafic dykes from the Bastar craton, India: Implications …

A Panda, R Shankar, DS Sarma, R Patel - Precambrian Research, 2023 - Elsevier
This research focuses on the geochronology and geochemistry of WNW-NW-NNW trending
Paleoproterozoic mafic dykes from the Bastar craton in India. The weighted mean 207 …

Contextual relationship between mechanical heterogeneity and dyking: constraints from magma emplacement dynamics of the ca. 2.21 Ga Anantapur–Kunigal mafic …

S Datta, AK Samal, S Banerjee… - Geological …, 2023 - cambridge.org
Mafic dykes are typically emplaced through primary hydraulic fracturing of undeformed crust
or may make use of pre-existing crustal inhomogeneities, representing the plumbing …

[HTML][HTML] Geochemistry of basalts in unravelling the mantle processes and crustal evolution: Insights from the greenstone belts of western Dharwar Craton

C Manikyamba, A Pahari, M Santosh… - Geosystems and …, 2022 - Elsevier
Basalts are an integral part of all the greenstone belts of Dharwar Craton which played a
vital role in the thermo-tectonic evolution and mantle processes during the Archean time …

Geochemistry of~ 2.08 Ga radiating mafic dyke swarm from the Dharwar Craton, India, and their implications on initiation of the Cuddapah Basin

V Parashuramulu, P Yadav, DS Sarma… - Journal of Earth System …, 2022 - Springer
A spectacular chain of radiating mafic dykes with precise Pb–Pb and U–Pb baddeleyite
ages (~ 2087–2080 Ma) are reported from the Dharwar Craton, southern India. These …

Field and geochemical characteristics of the amphibolites from the Gadag greenstone belt, southern India: Implications for petrogenesis

CK Boraiaha, AG Ugarkar, R Chandan - Journal of Earth System Science, 2022 - Springer
The preliminary field, petrographic and whole-rock geochemical data of the amphibolites
from the southwestern part of the Gadag greenstone belt is presented in this study. The …

Petrogenesis and tectonic implications of Miocene dikes in the southeast of Bam: Constraints on the development of active continental margin

S Ousta, A Ashja-Ardalan, A Yazdi, R Dabiri… - Geopersia, 2024 - geopersia.ut.ac.ir
Fudge dikes of diorite and microdiorite are penetrated in the Mio-Pliocene sedimentary-
volcanic series in the northeast of Bam. In terms of lithology, these dikes are placed in two …

Geochemistry of the Precambrian mafic dykes in and around the Western Ghats greenstone belt, Western Dharwar Craton

CK Boraiaha - Journal of Earth System Science, 2022 - Springer
The preliminary field, petrographic and whole-rock geochemical data of the mafic dykes in
and around the Western Ghats belt (WGB), Western Dharwar Craton (WDC) is presented in …

Geochemistry and Sr-Nd Isotopic Constraints on the~ 1.89-1.86 Ga Mafic Dykes/Sills from the Dharwar Craton, India; Implications to Dharwar-Bastar Lip

V Parashuramulu, T Khan, A Panda… - Sills from the Dharwar … - papers.ssrn.com
A Paleoproterozoic large igneous province has been identified between~ 1.89-1.85 Ga with
precise U-Pb/Pb-Pb geochronology, which spread over an area of at least 1, 00,000 km2 in …