SLOBODNÍK, Marek, Philippe MUCHEZ, Jan KRÁL a Eddy KEPPENS. Variscan veins: record of fluid circulation and Variscan tectonothermal events in Upper Palaeozoic limestones of the Moravian Karst, Czech Republic. Geological Magazine. Cambridge: Cambridge University Press, 2006, roč. 143, č. 3, s. 1-18. ISSN 0016-7568. |
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@article{634407, author = {Slobodník, Marek and Muchez, Philippe and Král, Jan and Keppens, Eddy}, article_location = {Cambridge}, article_number = {3}, keywords = {Palaeozoic; calcite veins; syntectonic processes; fluid dynamics}, language = {eng}, issn = {0016-7568}, journal = {Geological Magazine}, title = {Variscan veins: record of fluid circulation and Variscan tectonothermal events in Upper Palaeozoic limestones of the Moravian Karst, Czech Republic}, volume = {143}, year = {2006} }
TY - JOUR ID - 634407 AU - Slobodník, Marek - Muchez, Philippe - Král, Jan - Keppens, Eddy PY - 2006 TI - Variscan veins: record of fluid circulation and Variscan tectonothermal events in Upper Palaeozoic limestones of the Moravian Karst, Czech Republic JF - Geological Magazine VL - 143 IS - 3 SP - 1-18 EP - 1-18 PB - Cambridge University Press SN - 00167568 KW - Palaeozoic KW - calcite veins KW - syntectonic processes KW - fluid dynamics N2 - Numerous Variscan syntectonic calcite veins crosscut Palaeozoic rocks in the Moravian Karst. The isotopic signatures point to precipitation in an older fluid system buffered by the host rock (white calcites) and to an open, younger fluid dominated system (rose calcites). Parent fluids (H2O-NaCl system) had salinities between 0.35 and 17.25 eq. wt% NaCl and temperature between 120 and 170C, a pressure of 300-880 bar at a depth between 2.1 and 3.2 km. The fluids were most likely confined to a particular sedimentary bed as a bed-scale fluid migration. The low temperatures and pressures during precipitation of calcites, which took place close to a peak of burial/deformation, confirm the distal position of the Moravian Karst region within the Variscan orogen. ER -
SLOBODNÍK, Marek, Philippe MUCHEZ, Jan KRÁL a Eddy KEPPENS. Variscan veins: record of fluid circulation and Variscan tectonothermal events in Upper Palaeozoic limestones of the Moravian Karst, Czech Republic. \textit{Geological Magazine}. Cambridge: Cambridge University Press, 2006, roč.~143, č.~3, s.~1-18. ISSN~0016-7568.
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