| XIAO, Yao, Johannes REMBE, Renata ČOPJAKOVÁ, Jonathan C. AITCHISON, Yichao CHEN a Renjie ZHOU. Sedimentary record of Variscan unroofing of the Bohemian Massif. Gondwana Research. Elsevier, 2024, roč. 128, April, s. 141-160. ISSN 1342-937X. Dostupné z: https://dx.doi.org/10.1016/j.gr.2023.11.003. |
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@article{2368160,
author = {Xiao, Yao and Rembe, Johannes and Čopjaková, Renata and Aitchison, Jonathan C. and Chen, Yichao and Zhou, Renjie},
article_number = {April},
doi = {http://dx.doi.org/10.1016/j.gr.2023.11.003},
keywords = {Sedimentary provenance; Variscan Orogen; Bohemian Massif; Crustal exhumation; Moravosilesian Culm Basin},
language = {eng},
issn = {1342-937X},
journal = {Gondwana Research},
title = {Sedimentary record of Variscan unroofing of the Bohemian Massif},
url = {https://www.sciencedirect.com/science/article/pii/S1342937X23003064},
volume = {128},
year = {2024}
}
TY - JOUR
ID - 2368160
AU - Xiao, Yao - Rembe, Johannes - Čopjaková, Renata - Aitchison, Jonathan C. - Chen, Yichao - Zhou, Renjie
PY - 2024
TI - Sedimentary record of Variscan unroofing of the Bohemian Massif
JF - Gondwana Research
VL - 128
IS - April
SP - 141-160
EP - 141-160
PB - Elsevier
SN - 1342937X
KW - Sedimentary provenance
KW - Variscan Orogen
KW - Bohemian Massif
KW - Crustal exhumation
KW - Moravosilesian Culm Basin
UR - https://www.sciencedirect.com/science/article/pii/S1342937X23003064
N2 - The Bohemian Massif in the eastern Variscan Orogen is the host of globally significant ultrahigh-pressure metamorphic rock suites that experienced enigmatic unroofing processes. In the eastern Bohemian Massif, the Moravosilesian Culm Basin (The Czech Republic) with <7.5 km thick Lower Carboniferous siliciclastic turbidities has recorded crustal unroofing associated with the late Paleozoic amalgamation of Gondwana and Laurussia. This study presents data from sandstone petrography, heavy mineral assemblages, and detrital zircon U-Pb geochronology from Moravosilesian Culm sediments. Sandstone modal compositions imply continental/recycled orogen affinities. High-grade metamorphic lithic fragments and high garnet contents in upper Culm sediments indicate the exhumation of the middle to lower crustal materials, consistent with those of the Bohemian Massif. Detrital zircon U-Pb data constrain maximum depositional ages of sediments in the Drahany Upland to 335-326 Ma (late Visean-middle Serpukhovian). Detrital, igneous and metamorphic zircon U-Pb data compiled from surrounding regions support that source regions for lower Culm sediments (Moldanubian Unit and Sudetes) remained the same. Whereas, upper Myslejovice sediments might have derived from exhumation and erosion of the root of the Moldanubian Unit and/or Moravosilesian Nappes. Rapid exhumation of the Moldanubian Unit within the Bohemian Massif during the deposition of upper Culm sediments is inferred.
ER -
XIAO, Yao, Johannes REMBE, Renata ČOPJAKOVÁ, Jonathan C. AITCHISON, Yichao CHEN a Renjie ZHOU. Sedimentary record of Variscan unroofing of the Bohemian Massif. \textit{Gondwana Research}. Elsevier, 2024, roč.~128, April, s.~141-160. ISSN~1342-937X. Dostupné z: https://dx.doi.org/10.1016/j.gr.2023.11.003.
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