Large igneous province record through time and implications for secular environmental changes and geological time‐scale boundaries

RE Ernst, DPG Bond, SH Zhang… - … igneous provinces: A …, 2021 - Wiley Online Library
An emerging consensus suggests that large igneous provinces (LIPs) are a significant driver
of dramatic global environmental and biological changes, including several Phanerozoic …

Coupled supercontinent–mantle plume events evidenced by oceanic plume record

LS Doucet, ZX Li, RE Ernst, U Kirscher… - …, 2020 - pubs.geoscienceworld.org
The most dominant features in the present-day lower mantle are the two antipodal African
and Pacific large low-shear-velocity provinces (LLSVPs). How and when these two …

New insights into the structural and tectonic settings of the Bay of Bengal using high-resolution earth gravity model data

S Narayan, U Kumar, SK Pal, SD Sahoo - Acta Geophysica, 2021 - Springer
The residual anomaly of GECO model-derived gravity data has been enhanced using first
vertical derivative, tilt derivative and balanced horizontal derivative for delineation of …

Global gravity, bathymetry, and the distribution of submarine volcanism through space and time

AB Watts, DT Sandwell, WHF Smith… - Journal of Geophysical …, 2006 - Wiley Online Library
The seafloor is characterized by numerous seamounts and oceanic islands which are
mainly volcanic in origin. Relatively few of these features (<∼ 0.1%), however, have been …

Delineation of structural features over a part of the Bay of Bengal using total and balanced horizontal derivative techniques

S Narayan, SD Sahoo, SK Pal, U Kumar… - Geocarto …, 2017 - Taylor & Francis
The present study deals with classical problem of edge detection in potential field data over
complex tectonic regime for both shallower and deeper sources, simultaneously. Balanced …

Instantaneous deformation and kinematics of the India–Australia Plate

M Delescluse, N Chamot-Rooke - Geophysical Journal …, 2007 - academic.oup.com
Active intraplate deformation of the India–Australia Plate is now being captured by far-field
global positioning system (GPS) measurements as well as measurements on a few islands …

Structural mapping over the 85 E Ridge and surroundings using EIGEN6C4 high-resolution global combined gravity field model: an integrated approach

SK Pal, S Narayan, TJ Majumdar, U Kumar - Marine Geophysical …, 2016 - Springer
A revised gravity anomaly map, generated from the EIGEN6C4 high resolution global gravity
model, has been utilized for understanding structure and tectonics over the 85° E Ridge and …

Thin oceanic crust below Bay of Bengal inferred from 3-D gravity interpretation

M Radhakrishna, C Subrahmanyam, T Damodharan - Tectonophysics, 2010 - Elsevier
The Bay of Bengal (BOB) lithosphere evolved due to rifting between India and Antarctica
and subsequent seafloor spreading process since the early Cretaceous is known for the …

Evolution of the passive continental margins of India—a geophysical appraisal

C Subrahmanyam, S Chand - Gondwana Research, 2006 - Elsevier
The passive continental margins of India have evolved as India broke and drifted away from
East Antarctica, Madagascar and Seychelles at various geological times. In this study, we …

Geoid and gravity anomaly data of conjugate regions of Bay of Bengal and Enderby Basin: New constraints on breakup and early spreading history between India and …

KS Krishna, L Michael, R Bhattacharyya… - Journal of …, 2009 - Wiley Online Library
Timing of breakup of the Indian continent from eastern Gondwanaland and evolution of the
lithosphere in the Bay of Bengal still remain as ambiguous issues. Geoid and free‐air gravity …