About: Growth of accretionary wedges and pulsed ophiolitic melange formation by successive subduction of trench-parallel volcanic elevations

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About: Growth of accretionary wedges and pulsed ophiolitic melange formation by successive subduction of trench-parallel volcanic elevations Goto Sponge NotDistinct Permalink

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Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://dx.doi.org/10.1111/ter.12103
Description	Fault-bounded coherent belts alternating with belts of melanges are common in accretionary wedges and are usually interpreted as a result of imbrication along subduction zone megathrusts. Using the Neoproterozoic/early Cambrian Blovice accretionary complex (BAC), Bohemian Massif, as a case example, we present a new model for the origin of alternating belts through the repetition of several cycles of (1) off-scraping and deformation of trench-fill sediments to form the coherent units, interrupted by (2) arrival and subduction of linear, trench-parallel volcanic elevations. The latter process leads to an increase in the wedge taper, triggering mass-wasting and formation of olistostromes. At the same time, ophiolitic melanges form by disruption of an upper part of the volcanic ridge and incorporation of the disrupted oceanfloor succession into the olistostromes. Specifically, the BAC represents a complete section across an accretionary wedge and records three such major pulses of ophiolitic melange formation through subduction of an outboard back-arc basin. Fault-bounded coherent belts alternating with belts of melanges are common in accretionary wedges and are usually interpreted as a result of imbrication along subduction zone megathrusts. Using the Neoproterozoic/early Cambrian Blovice accretionary complex (BAC), Bohemian Massif, as a case example, we present a new model for the origin of alternating belts through the repetition of several cycles of (1) off-scraping and deformation of trench-fill sediments to form the coherent units, interrupted by (2) arrival and subduction of linear, trench-parallel volcanic elevations. The latter process leads to an increase in the wedge taper, triggering mass-wasting and formation of olistostromes. At the same time, ophiolitic melanges form by disruption of an upper part of the volcanic ridge and incorporation of the disrupted oceanfloor succession into the olistostromes. Specifically, the BAC represents a complete section across an accretionary wedge and records three such major pulses of ophiolitic melange formation through subduction of an outboard back-arc basin. (en)
Title	Growth of accretionary wedges and pulsed ophiolitic melange formation by successive subduction of trench-parallel volcanic elevations Growth of accretionary wedges and pulsed ophiolitic melange formation by successive subduction of trench-parallel volcanic elevations (en)
skos:prefLabel	Growth of accretionary wedges and pulsed ophiolitic melange formation by successive subduction of trench-parallel volcanic elevations Growth of accretionary wedges and pulsed ophiolitic melange formation by successive subduction of trench-parallel volcanic elevations (en)
skos:notation	RIV/00216208:11310/14:10282973!RIV15-MSM-11310___
http://linked.open...avai/riv/aktivita	I
http://linked.open...avai/riv/aktivity	I
http://linked.open...iv/cisloPeriodika	4
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Hajná, Jaroslava Kachlík, Václav Žák, Jiří
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Karlova v Praze / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	18651
http://linked.open...ai/riv/idVysledku	RIV/00216208:11310/14:10282973
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Bohemian Massif; early Cambrian; Neoproterozoic; trench-parallel volcanic elevations; ophiolitic mélange; accretionary wedges (en)
http://linked.open.../riv/klicoveSlovo	accretionary wedges early Cambrian ophiolitic mélange trench-parallel volcanic elevations Neoproterozoic Bohemian Massif
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[5F17A8CCC9D2]
http://linked.open...i/riv/nazevZdroje	Terra Nova
http://linked.open...in/vavai/riv/obor	DB
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	26
http://linked.open...iv/tvurceVysledku	Kachlík, Václav Žák, Jiří Hajná, Jaroslava
http://linked.open...ain/vavai/riv/wos	000339259400009
issn	0954-4879
number of pages	8 (xsd:int)
http://bibframe.org/vocab/doi	10.1111/ter.12103
http://localhost/t...ganizacniJednotka	11310

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