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@inproceedings{483125,
author = {Kotková, Jana and Leichmann, Jaromír and Novák, Milan},
address = {Edinburgh},
booktitle = {18th IMA Abstracts},
keywords = {Upper Visean; conglomerates; granulites; volcanics; high pressure; U-Pb dating; zircon; high temperature; volcanic arc; exhumation; exhumation rate},
language = {eng},
location = {Edinburgh},
pages = {228-228},
publisher = {International Mineralogical Association},
title = {HT rocks from the Visean conglomerates - further evidence for an external heat source in the internal zone of European Variscides.},
year = {2002}
}
TY - JOUR
ID - 483125
AU - Kotková, Jana - Leichmann, Jaromír - Novák, Milan
PY - 2002
TI - HT rocks from the Visean conglomerates - further evidence for an external heat source in the internal zone of European Variscides.
PB - International Mineralogical Association
CY - Edinburgh
KW - Upper Visean
KW - conglomerates
KW - granulites
KW - volcanics
KW - high pressure
KW - U-Pb dating
KW - zircon
KW - high temperature
KW - volcanic arc
KW - exhumation
KW - exhumation rate
N2 - Granulites found in clasts in Upper Visean conglomerates of the Drahany Uplands feature a strong overprint at medium pressure and high temperature. Geothermobarometry, mineral zoning and reaction textures are consistent with two-stage exhumation, characterized by first isothermal decompression and second near-to-isobaric cooling. Zircon, monazite and rutile U-Pb data are consistent with the two-stage exhumation, two, rapid consistent with the isothermal period, and slower corresponding to the isobaric stage. Possible sources of heat responsible for the medium-pressure younger overprint are discussed. chronological dating of these granulites
ER -
KOTKOVÁ, Jana, Jaromír LEICHMANN a Milan NOVÁK. HT rocks from the Visean conglomerates - further evidence for an external heat source in the internal zone of European Variscides. In \textit{18th IMA Abstracts}. Edinburgh: International Mineralogical Association, 2002, s.~228.
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