Stretching–buoyancy interplay in the magma-poor rifting process
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27350%2F23%3A10256245" target="_blank" >RIV/61989100:27350/23:10256245 - isvavai.cz</a>
Result on the web
<a href="https://www.scopus.com/record/display.uri?eid=2-s2.0-85186179251&origin=resultslist&sort=plf-f&src=s&sid=be5e5d79afab5f567fe4157cf24fd8b8&sot=b&sdt=cl&cluster=scosubjabbr%2C%22EART%22%2Ct&s=AUTH%28Nem%C4%8Dok%2C+M.%29&sl=16&sessionSearchId=be5e5d79afab5f567fe4157cf24fd8b8&relpos=7" target="_blank" >https://www.scopus.com/record/display.uri?eid=2-s2.0-85186179251&origin=resultslist&sort=plf-f&src=s&sid=be5e5d79afab5f567fe4157cf24fd8b8&sot=b&sdt=cl&cluster=scosubjabbr%2C%22EART%22%2Ct&s=AUTH%28Nem%C4%8Dok%2C+M.%29&sl=16&sessionSearchId=be5e5d79afab5f567fe4157cf24fd8b8&relpos=7</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1144/SP524-2021-162" target="_blank" >10.1144/SP524-2021-162</a>
Alternative languages
Result language
angličtina
Original language name
Stretching–buoyancy interplay in the magma-poor rifting process
Original language description
The Cauvery Basin in East India represents a failed rift zone in the west and transform-related termination in the east. The deformation associated with a westward-propagating rift zone involves stretching and necking-related deformation from west to east. The rift axis and the flanks exhibit maximum and minimum deformation. In this study, we document the increasing role of buoyancy-driven processes and the development of the rift asymmetry during the advanced stages of rifting in a magma-poor setting. We use a series of reflection seismic profiles intersecting the failed rift zone maturing eastward. The onset of buoyancy-controlled extension correlates with the localized extension. It creates a relatively symmetrical axial dome, and exhibits rift flank rotations and central up-warping. This permanent uplift is associated with lower crustal ductile flow. Notably, the deep-seated syn-rift buoyancy forces progressively operate eastward. We deduce the associated transient dome uplift and its subsequent dissipation using a seismic flattening technique. The axial dome formation is associated with an upwelling asthenosphere and lower lithospheric mantle. This correlates with localized contraction within flat-lying fault blocks at its flanks, concurrently forming the typical hanging-wall and footwall geometry. The multiple shallow-to deep-seated mechanisms promote strain acceleration in the uplifted regions along the rift zone. © 2022 The Author(s). Published by The Geological Society of London. All rights reserved.
Czech name
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Czech description
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Classification
Type
J<sub>SC</sub> - Article in a specialist periodical, which is included in the SCOPUS database
CEP classification
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OECD FORD branch
10505 - Geology
Result continuities
Project
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Continuities
V - Vyzkumna aktivita podporovana z jinych verejnych zdroju
Others
Publication year
2023
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Geological Society Special Publication. Volume 524
ISSN
0305-8719
e-ISSN
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Volume of the periodical
524
Issue of the periodical within the volume
1
Country of publishing house
GB - UNITED KINGDOM
Number of pages
27
Pages from-to
93-119
UT code for WoS article
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EID of the result in the Scopus database
2-s2.0-85186179251