Seismic-Scale Evidence of Thrust-Perpendicular Normal Faulting in the Western Outer Carpathians, Poland

Based on the interpretation of 2D seismic profiles integrated with surface geological investigations, a mechanism responsible for the formation of a large scale normal fault zone has been proposed. The fault, here referred to as the Rycerka Fault, has a predominantly normal dip-slip component with t...

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Autores principales:	Jan Barmuta, Krzysztof Starzec, Wojciech Schnabel
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	seismic interpretation western outer carpathians hanging-wall drop fault orogen parallel extension syn-thrusting normal faulting Mineralogy QE351-399.2
Acceso en línea:	https://doaj.org/article/8d6d944283c44a35aebefa83b967b33d
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id	oai:doaj.org-article:8d6d944283c44a35aebefa83b967b33d
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spelling	oai:doaj.org-article:8d6d944283c44a35aebefa83b967b33d2021-11-25T18:26:37ZSeismic-Scale Evidence of Thrust-Perpendicular Normal Faulting in the Western Outer Carpathians, Poland10.3390/min111112522075-163Xhttps://doaj.org/article/8d6d944283c44a35aebefa83b967b33d2021-11-01T00:00:00Zhttps://www.mdpi.com/2075-163X/11/11/1252https://doaj.org/toc/2075-163XBased on the interpretation of 2D seismic profiles integrated with surface geological investigations, a mechanism responsible for the formation of a large scale normal fault zone has been proposed. The fault, here referred to as the Rycerka Fault, has a predominantly normal dip-slip component with the detachment surface located at the base of Carpathian units. The fault developed due to the formation of an anticlinal stack within the Dukla Unit overlain by the Magura Units. Stacking of a relatively narrow duplex led to the growth of a dome-like culmination in the lower unit, i.e., the Dukla Unit, and, as a consequence of differential uplift of the unit above and outside the duplex, the upper unit (the Magura Unit) was subjected to stretching. This process invoked normal faulting along the lateral culmination wall and was facilitated by the regional, syn-thrusting arc–parallel extension. Horizontal movement along the fault plane is a result of tear faulting accommodating a varied rate of advancement of Carpathian units. The time of the fault formation is not well constrained; however, based on superposition criterion, the syn -thrusting origin is anticipated.Jan BarmutaKrzysztof StarzecWojciech SchnabelMDPI AGarticleseismic interpretationwestern outer carpathianshanging-wall drop faultorogen parallel extensionsyn-thrusting normal faultingMineralogyQE351-399.2ENMinerals, Vol 11, Iss 1252, p 1252 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	seismic interpretation western outer carpathians hanging-wall drop fault orogen parallel extension syn-thrusting normal faulting Mineralogy QE351-399.2
spellingShingle	seismic interpretation western outer carpathians hanging-wall drop fault orogen parallel extension syn-thrusting normal faulting Mineralogy QE351-399.2 Jan Barmuta Krzysztof Starzec Wojciech Schnabel Seismic-Scale Evidence of Thrust-Perpendicular Normal Faulting in the Western Outer Carpathians, Poland
description	Based on the interpretation of 2D seismic profiles integrated with surface geological investigations, a mechanism responsible for the formation of a large scale normal fault zone has been proposed. The fault, here referred to as the Rycerka Fault, has a predominantly normal dip-slip component with the detachment surface located at the base of Carpathian units. The fault developed due to the formation of an anticlinal stack within the Dukla Unit overlain by the Magura Units. Stacking of a relatively narrow duplex led to the growth of a dome-like culmination in the lower unit, i.e., the Dukla Unit, and, as a consequence of differential uplift of the unit above and outside the duplex, the upper unit (the Magura Unit) was subjected to stretching. This process invoked normal faulting along the lateral culmination wall and was facilitated by the regional, syn-thrusting arc–parallel extension. Horizontal movement along the fault plane is a result of tear faulting accommodating a varied rate of advancement of Carpathian units. The time of the fault formation is not well constrained; however, based on superposition criterion, the syn -thrusting origin is anticipated.
format	article
author	Jan Barmuta Krzysztof Starzec Wojciech Schnabel
author_facet	Jan Barmuta Krzysztof Starzec Wojciech Schnabel
author_sort	Jan Barmuta
title	Seismic-Scale Evidence of Thrust-Perpendicular Normal Faulting in the Western Outer Carpathians, Poland
title_short	Seismic-Scale Evidence of Thrust-Perpendicular Normal Faulting in the Western Outer Carpathians, Poland
title_full	Seismic-Scale Evidence of Thrust-Perpendicular Normal Faulting in the Western Outer Carpathians, Poland
title_fullStr	Seismic-Scale Evidence of Thrust-Perpendicular Normal Faulting in the Western Outer Carpathians, Poland
title_full_unstemmed	Seismic-Scale Evidence of Thrust-Perpendicular Normal Faulting in the Western Outer Carpathians, Poland
title_sort	seismic-scale evidence of thrust-perpendicular normal faulting in the western outer carpathians, poland
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/8d6d944283c44a35aebefa83b967b33d
work_keys_str_mv	AT janbarmuta seismicscaleevidenceofthrustperpendicularnormalfaultinginthewesternoutercarpathianspoland AT krzysztofstarzec seismicscaleevidenceofthrustperpendicularnormalfaultinginthewesternoutercarpathianspoland AT wojciechschnabel seismicscaleevidenceofthrustperpendicularnormalfaultinginthewesternoutercarpathianspoland
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Seismic-Scale Evidence of Thrust-Perpendicular Normal Faulting in the Western Outer Carpathians, Poland

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