How many extensional stages marked the Variscan gravitational collapse in the Bohemian Massif?
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985831%3A_____%2F21%3A00545975" target="_blank" >RIV/67985831:_____/21:00545975 - isvavai.cz</a>
Alternative codes found
RIV/00216224:14310/21:00121691
Result on the web
<a href="https://geojournals.pgi.gov.pl/asgp/article/view/32966/24150" target="_blank" >https://geojournals.pgi.gov.pl/asgp/article/view/32966/24150</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.14241/asgp.2021.08" target="_blank" >10.14241/asgp.2021.08</a>
Alternative languages
Result language
angličtina
Original language name
How many extensional stages marked the Variscan gravitational collapse in the Bohemian Massif?
Original language description
Tectonic development of the Variscan belt in Central Europe included, besides important compression, also an extensional phase related to gravitational collapse, which governed the origin of many sedimentary basins and magmatic bodies. One of these bodies is the Benešov pluton, featuring primary magmatic fabrics as well as deformational fabrics, related to subsequent extensional stages. Recognition of these fabrics and their links to other significant extension-induced structures in the Bohemicum and Moldanubicum not only sheds new light on the pluton itself but also extends a general knowledge of deformational stages, accompanying gravitational collapse of the Variscan orogen. The authors found that this pluton was strongly strained in a normal-faulting regime under brittle-ductile conditions. The age of deformation is constrained by a magmatic age of 347 ±3 Ma and by the age of Carboniferous sedimentary cover. New data indicate a three-stage extensional history during the phase of gravitational collapse: (1) Tournaisian extension (~350–345 Ma) within arc-related tonalitic intrusions, (2) late Viséan to Serpukhovian extension (~332–320 Ma), connected to the brittle-ductile unroofing and origin of a NE–SW basin system, and (3) Gzhelian to Cisuralian extension (~303–280 Ma), related to normal faulting and sedimentation in “Permo–Carboniferous” troughs, elongated NNE–SSW. Consequently, the gravitational collapse studied involved a complex succession of individual extensional stages, rather than a simple process.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10505 - Geology
Result continuities
Project
<a href="/en/project/GJ19-02177Y" target="_blank" >GJ19-02177Y: Magma transfer and emplacement processes in collapsing orogens</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
Others
Publication year
2021
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Annales Societatis Geologorum Poloniae
ISSN
0208-9068
e-ISSN
—
Volume of the periodical
91
Issue of the periodical within the volume
2
Country of publishing house
PL - POLAND
Number of pages
16
Pages from-to
121-136
UT code for WoS article
000674745600003
EID of the result in the Scopus database
2-s2.0-85112328718