Title Dr. First Name ASHIMA Last Name SAIKIA
Designation Associate Professor
Department Department of Geology
Email
Webpage
Phone.no 9818875379
Employement Info
Employee Type Nature Of Employment
Teaching Permanent
Educational Qualifications
Degree/Certification Name Institution Year of Completion
Ph.D. - Geology Bayerisches Geoinstitute University Of Bayreuth, Germany 2008
UG Gauhati University 1997
PG University of Delhi
Qualifications
Examination Name Conducting Body Date of Passing
Others 08-02-2004
NET CSIR 30-12-2001
Research Publications
Title of Article Type of Publication Name of Journal ISSN Journal Volume Year Link to Article DOI (Digital Object Identifier)
Pillow Morphology of Bathani Volcano-Sedimentary Sequence of Eastern Indian Shield: Inferences on the Geotectonic and Geo-environments Research Papers in Peer Reviewed Journals Journal of Geological Society of India.
Petrogenesis of high-Mg andesites from the Proterozoic Shillong Basin, Northeast India: evidence for continuation of the Central Indian Tectonic Zone to the Assam-Meghalaya Gneissic Complex and its implications for the Columbia supercontinent reconstruction. I Research Papers in Peer Reviewed Journals International Geology Review 10.1080/00206814.2023.2209806

Geochemical constraints on the petrogenesis of mafic rocks (metadolerites) from the Proterozoic Shillong Basin, Northeast India: implications for growth of the Greater Indian Landmass. Research Papers in Peer Reviewed Journals Geological Magazine 10.1017/S0016756823000237

Petrogenesis of the Borjuri diorite pluton in the Mikir Massif of Northeast India: implications for post-collisional intermediate magmatism during the Pan-African orogeny. Research Papers in Peer Reviewed Journals Acta Geochimica . 10.1007/s11631-023-00613-x.

Petrogenesis and tectonic implications of the Late Cretaceous to Paleogene calc-alkaline volcanic rocks, Ladakh Himalaya. Research Papers in Peer Reviewed Journals Journal of Asian Earth Science 253. 105700. 10.1016/j.jseaes.2023.105700

Non-Journal Publications
Title of Publication Type of Publication Publisher Role ISBN Year Link to Publication Level
Role of viscous folding in magma mixing. Text/Reference/Subject Books/Other
Mineral Chemistry, Sr–Nd Isotope Geochemistry and Petrogenesis of the Granites of Bathani Volcano-Sedimentary Sequence from the Northern Fringe of Chotanagpur Granite Gneiss Complex of Eastern India Text/Reference/Subject Books/Other
Nature and origin of anorthosite enclaves within Proterozoic granite of Chotanagpur Granite Gneiss Complex of Eastern India Text/Reference/Subject Books/Other
The Fibrolite Problem: Implications for Reaction Overstep Studies Text/Reference/Subject Books/Other
Crystallographic Controls on Staurolite to Fibrolite Transformation: Petrographic Evidence from the Pangong Metamorphic Complex in Eastern Karakoram, Ladakh, India Text/Reference/Subject Books/Other
Cumulate gabbros in the South Andaman Island ophiolite suite (India): their bearing on the tectonic setting Text/Reference/Subject Books/Other
Back-arc basin origin for the basalts of the South Andaman Island Ophiolite (India) Text/Reference/Subject Books/Other
Understanding mafic-felsic magma interactions in a subvolcanic magma chamber using rapakivi feldspar: A case study from the Bathani volcano-sedimentary sequence, eastern India Text/Reference/Subject Books/Other
Role of fractional crystallization and partial melting in the generation of intermediate and acidic magmas of the Andaman Island Ophiolite suite of India Text/Reference/Subject Books/Other
Mafic rocks with back-arc E-MORB affinity from the Chotanagpur Granite Gneiss Complex of India: relicts of a Proterozoic Ophiolite suite Text/Reference/Subject Books/Other
Mafic-felsic magma interactions in the Bathani volcanic-plutonic complex of Chotanagpur Granite Gneiss Complex, eastern India: implications for assembly of the Greater Indian Landmass during the Proterozoic Text/Reference/Subject Books/Other
Viscous dilation as a mechanism of magma mixing in the Ghansura Rhyolite Dome of Bathani volcano-sedimentary sequence, Eastern India Text/Reference/Subject Books/Other
THE GENESIS OF EMULSION TEXTURE OWING TO MAGMA MIXING IN THE GHANSURA FELSIC DOME OF THE CHOTANAGPUR GRANITE GNEISS COMPLEX OF EASTERN INDIA Text/Reference/Subject Books/Other
Trace element constraints on the parental melt of gabbroic cumulates from the Naga Ophiolite Complex, North‑East India Text/Reference/Subject Books/Other
Splitting of the 520-Kilometer Seismic Discontinuity and Chemical Heterogeneity in the Mantle Text/Reference/Subject Books/Other
Field evidence, mineral chemical and geochemical constraints on maficfelsic magma interactions in a vertically zoned magma chamber from the Chotanagpur Granite Gneiss Complex of Eastern Indi Text/Reference/Subject Books/Other
Episodic crustal growth in the Bundelkhand craton of central India shield: Constraints from petrogenesis of the tonalite–trondhjemite–granodiorite gneisses and K-rich granites of Bundelkhand tectonic zone Text/Reference/Subject Books/Other
Synneusis: does its preservation imply magma mixing? Text/Reference/Subject Books/Other
Geochemical and U–Pb zircon age characterization of granites of the Bathani Volcano Sedimentary sequence, Chotanagpur Granite Gneiss Complex, eastern India: vestiges of the Nuna supercontinent in the Central Indian Tectonic Zone Text/Reference/Subject Books/Other
Evaluation of magma mixing in the subvolcanic rocks of Ghansura Felsic Dome of Chotanagpur Granite Gneiss Complex, eastern India Text/Reference/Subject Books/Other
Titanite-centered ocellar texture:A petrological tool to unravel the mechanism enhancing magma mixing Text/Reference/Subject Books/Other
Elasticity of superhydrous phase B, seismic anomalies in cold slabs and implications for deep water transport Text/Reference/Subject Books/Other
Geochemical constraints on the evolution of mafic and felsic rocks in the Bathani volcanic and volcanosedimentary sequence of Chotanagpur Granite Gneiss Complex Text/Reference/Subject Books/Other
The role of amphiboles in the metamorphic evolution of the UHP rocks: a case study from the Tso Morari Complex, northwest Himalayas Text/Reference/Subject Books/Other
Insights into the P–T evolution path of Tso Morari eclogites of the north-western Himalayas: Constraints on the geodynamic evolution of the region Text/Reference/Subject Books/Other
Petrology of the Neoproterozoic granulites from Central Dronning Maud Land, East Antarctica – Implications for southward extension of East African Orogen (EAO Text/Reference/Subject Books/Other
The effect of Fe and Al substitution on the compressibility of MgSiO3-perovskite determined through single-crystal X-ray diffraction Text/Reference/Subject Books/Other
P–T estimates for the fractionated and primary melt of tholeiitic dykes from Multai area of Deccan Cood basalt, Madhya Pradesh (India Text/Reference/Subject Books/Other
Research Projects
Project Title Project Type Year Of Sanction Outcome/Output Duration
Petrogenetic evolution of Jasra ultramafic -mafic -alkaline Complex, Mikir Hills, Assam, Northeastern India Minor 2023 Ongoing since 31-08-2023 (1 years, 2 months, 21 days)
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