Investigating inter-relationships among kinematic vorticity, strain, and minimum translations from shear zones associated with internal thrusts of major fold-thrust belts

P Ghosh, K Bhattacharyya - Earth-Science Reviews, 2022 - Elsevier
We investigate kinematic evolutionary paths of seventeen major shear zones associated
with internal thrust faults from the Himalayan, Appalachian, Caledonian, Zagros, Alpine, and …

[HTML][HTML] Examining the tectono-stratigraphic architecture, structural geometry, and kinematic evolution of the Himalayan fold-thrust belt, Kumaun, northwest India

S Mandal, DM Robinson, MJ Kohn… - …, 2019 - pubs.geoscienceworld.org
Existing structural models of the Himalayan fold-thrust belt in Kumaun, northwest India, are
based on a tectono-stratigraphy that assigns different stratigraphy to the Ramgarh, Berinag …

Field documentation and genesis of back-structures in ductile and brittle regimes from the foreland part of a collisional orogen: examples from the Darjeeling–Sikkim …

N Bose, S Mukherjee - International Journal of Earth Sciences, 2019 - Springer
In the foreland-side of an orogen, thrust-related structures develop that verge towards the
foreland (fore-thrusts). Although much less abundant, structures with opposite vergence (ie …

Evolution and characterization of fracture patterns: Insights from multi-scale analysis of the Buxa dolomite in the Siang Valley, Arunachal Lesser Himalayan fold-thrust …

A Basa, F Ahmed, K Bhattacharyya, A Roy - Journal of Structural Geology, 2019 - Elsevier
Fractures at different scales are an integral component of shallow crustal deformation
associated with the progressive evolution of a fold-thrust belt (FTB). We characterize the …

A kinematic approach for investigating magnetic and strain fabrics from constrictional and flattening domains of shear zones in Sikkim Himalayan fold thrust belt

JP Das, K Bhattacharyya, MA Mamtani - Journal of structural geology, 2021 - Elsevier
We investigate the relationships among magnetic, mylonitic and strain fabrics from the
Pelling-Munsiari thrust (PT), a major shear zone in the Sikkim Himalaya, that records varying …

Duplex and along-strike structural variation: A case study from Sikkim Himalayan fold thrust belt

C Parui, K Bhattacharyya - Journal of Structural Geology, 2018 - Elsevier
Abstract The Sikkim Lesser Himalayan fold thrust belt records along-strike structural
variations over∼ 15 km. The lower Lesser Himalayan (Rangit) duplex (LHD) is blind, and …

Relation between finite strain geometry and quartz petrofabrics in a folded conglomerate in the Norwegian Caledonides

SE Jaensch, LE Lagoeiro, H Fossen… - Journal of Structural …, 2022 - Elsevier
A relationship between crystallographic preferred orientation (CPO) and strain geometry
(strain-ellipsoid shape) is often assumed, but not well documented. In this work, we use the …

Tracking progressive deformation of an orogenic wedge through two successive internal thrusts: Insights from structure, deformation profile, strain, and vorticity of the …

P Ghosh, K Bhattacharyya, C Parui - Journal of Structural Geology, 2020 - Elsevier
We compare and contrast the structural evolution of two successive internal thrusts, the Main
Central thrust (MCT) and the Pelling-Munsiari thrust (PT), from the crystalline core of the …

Evaluating the distinct identity and the orogen-scale nature of the Munsiari thrust in the Himalaya

S Chakraborty, A Sengupta - Journal of Asian Earth Sciences, 2022 - Elsevier
The Munsiari thrust (MT) was first recognized in northwest India within the Paleoproterozoic
Lesser Himalayan rocks, but debate persists over its distinct identity and orogen-scale …