Magma mixing dynamics in a vertically zoned granitic magma chamber inferred from feldspar disequilibrium assemblage and biotite composition: a case study from …

G Hazarika, P Basumatary, T Prakash, H Chauhan… - Acta Geochimica, 2022 - Springer
Abstract The Kathalguri Pluton is a granitic pluton confined within the Palaeo-
Mesoproterozoic Shillong Group of rocks in the Mikir Massif, eastern India. The pluton is …

Dynamics of a subvolcanic magma chamber inferred from viscous instabilities owing to mafic-felsic magma interactions

B Gogoi, H Chauhan - Arabian Journal of Geosciences, 2021 - Springer
Abstract The Ghansura Rhyolite Dome (GRD) of Chotanagpur Granite Gneiss Complex,
eastern India, presents an ideal geological setting to understand the dynamics of a …

Significance of viscous coalescence in migmatites of the Assam-Meghalaya Gneissic Complex, eastern India

B Gogoi, H Chauhan - The Canadian Mineralogist, 2022 - pubs.geoscienceworld.org
The magnetite ocelli preserved in the Chandrapur area of the Assam-Meghalaya Gneissic
Complex, eastern India, display viscous coalescence. The viscous coalescence …

Role of viscous swirling in the formation of magnetite ocelli or fleck structure in the migmatites of Shillong Plateau Gneissic Complex, eastern India

B Gogoi, G Hazarika, H Chauhan, S Saikia - Geochemical Journal, 2021 - jstage.jst.go.jp
The quartzofeldspathic gneiss of the Shillong Plateau Gneissic Complex has preserved
magnetite-centered ocellar texture or fleck structure. Results presented in this work suggest …

Viscous dilation as a mechanism of magma mixing in the Ghansura Rhyolite Dome of Bathani volcano-sedimentary sequence, Eastern India

B Gogoi, H Chauhan, A Saikia - Periodico di Mineralogia, 2020 - rosa.uniroma1.it
The comingled mafic-felsic rocks of the Ghansura Rhyolite Dome of Bathani volcano-
sedimentary sequence, eastern India, have preserved veins of iron oxide. These veins are …