Journal of

GEOsciences

  (Formerly Journal of the Czech Geological Society)

Original Paper

Stanislav Vrána, Vojtěch Janoušek

Late-orogenic Variscan magmatism: The case of quartz monzodiorite dykes from the Blanice Graben, southern Bohemia

Journal of the Czech Geological Society, volume 51 (2006), issue 3-4, 231 - 248

DOI: http://doi.org/10.3190/JCGS.996

Albarède. K ( 1995): Introduction to Geochemical Modeling. - Cambridge University Press, Cambridge, 543 pp.
http://doi.org/10.1017/CBO9780511622960

Bacon, C. R. (1989): Crystallization of accessory phases in magmas by local saturation adjacent to phenocrysts. - Geochim. Cosmochim. Acta, 53: 1055-1066.
http://doi.org/10.1016/0016-7037(89)90210-X

Barbarin, B. (1990): Granitoids: main petrogenetic classifications in relation to origin and tectonic setting. - Geol. J., 25: 227-238.
http://doi.org/10.1002/gj.3350250306

Benek. R. - Kramer, W. - McCann, T. - Scheck, M. - Negendank. J. F. W. - Korich, D. - Huebscher. H. D. - Bayer, U. (1996): Permo-Carboniferous magmatism of the Northeast German Basin. - Tectonophysics, 266: 379-404.
http://doi.org/10.1016/S0040-1951(96)00199-0

Bonin, B. ( 1990): From orogenic to anorogenic settings: evolution of granitoid suites after a major orogenesis. - Geol. J., 25: 261-270.
http://doi.org/10.1002/gj.3350250309

Bonin, B. - Azzouni-Sekkal, A. - Bussy, E - Ferrag, S. (1998): Alkalicalcic and alkaline post-orogenic (PO) granite magmatism: petrologic constraints and geodynamic settings. - Lithos, 45: 45-70.
http://doi.org/10.1016/S0024-4937(98)00025-5

Boynton, W. V. (1984): Cosmochemistry of the rare earth elements: meteorite studies. - In: Henderson, P. (ed.) : Rare Earth Element Geochemistry. Elsevier, Amsterdam, 63-114.
http://doi.org/10.1016/B978-0-444-42148-7.50008-3

Brandmayr. M. -Dallmeyer, R. D. -Handler, R. - Wallbrecher, E. (1995): Conjugate shear zones in the Southern Bohemian Massif (Austria): implications for Variscan and Alpine tectonothermal activity. Tectonophysics, 248: 97-116.
http://doi.org/10.1016/0040-1951(95)00003-6

Cox, K. G. - Bell, J. D. - Pankhurst, R. J. (1979): The Interpretation of Igneous Rocks. - George Alien & Unwin, 450 pp.
http://doi.org/10.1007/978-94-017-3373-1

Debon, F. -Le Fort, P. (1983): A chemical-mineralogical classification of common plutonic rocks and associations. - Trans. Roy. Soc. Edinb, Earth Sci., 73: 135-149.

Debon, F. (1988): A cationic classification of common plutonic rocks and their magmatic associations: principles, method, applications. - Bull. Mineral., 111:493-510.

Finger, F. - Roberts, M, P. - Haunschmid, B. - Schermaier, A. - Steyrer, H. P. (1997): Variscan granitoids of central Europe: their typology, potential sources and tectonothermal relations. - Min. Petrol., 61: 67-96.
http://doi.org/10.1007/BF01172478

Foley. S. F. - Venturelli, G. - Green, D. H. - Toscani, L. (1987): Ultrapotassic rocks: characteristics, classification and constraints for petrogenetic models. - Earth Sci. Rev., 24: 81-134.

Friedl, G. - van Quadt, A. - Frasl. G. - Finger, F, (1992): Neue U/Pb Altersdaten aus der siidlichen Bohmischen Masse. - Frankfurter Geowiss. Arb., Al 1:217-218.

Gerdes, A. (1997): Geochemische und thermische Modelle zur Frage der spätorogenen Granitgenese am Beispiel des Südböhmischen Batholiths: Basaltisches Underplating oder Krustenstapelung?- Unpublished PhD. thesis, Georg-August-Universität, Göttingen, 113 pp.

Gerdes, A. - Friedl, G. - Parrish, R. R. - Finger, F. (2003): High-resolution geochronology of Variscan granite emplacement - the South Bohemian Batholith. - J. Czech Geol. Soc., 48: 53-54.

Hutchison, C. S. (1975): The norm, its variations, their calculation and relationships. - Schweiz. mineral, petrogr. Mitt., 55: 243-256.

Irvine, T. N. - Baragar, W. R. A. (1971): A guide to the chemical classification of the common volcanic rocks. - Can. J. Earth. Sci., 8: 523548.

Jacobsen, S. B. - Wasserburg, G. J. (1980): Sm-Nd evolution of chondrites. - Earth Planet. Sci. Lett., 50: 139-155.
http://doi.org/10.1016/0012-821X(80)90125-9

Janousek, V. - Holub, F. V. (2007): The causal link between HP-HT metamorphism and ultrapotassic magmatism in collisional orogens: case study from the Moldanubian Zone of the Bohemian Massif. - Proceedings of the Geologists' Association, 118: 75-86
http://doi.org/10.1016/S0016-7878(07)80049-6

Janousek, V. - Vrana, S. - Erban, V. (2002): Petrology, geochemical character and petrogenesis of a Variscan post-orogenic granite: case study from the Sevítin Massif, Moldanubian Batholith, Southern Bohemia. - J. Czech Geol. Soc., 47: 1-22.

Janousek, V.-Farrow, C. M.-Erban, K(2006a): Interpretation of wholerock geochemical data in igneous geochemistry: introducing Geochemical Data Toolkit (GCDkit). - Journal of Petrology, 47: 1255-1259.
http://doi.org/10.1093/petrology/egl013

Janousek, V. - Gerdes. A. - Vrána. S. - Finger, F. - Erban, V. - Friedl. G. - Braithwaite, C. J. R. (2006b): Low-pressure granulites of the Lisov Massif, Southern Bohemia: Viséan metamorphism of Late Devonian plutonic arc rocks. - Journal of Petrology, 47: 705-744.
http://doi.org/10.1093/petrology/egi091

Kosler, J. - Kelley, S. P.- Vrana, S. (2001 ): ⁴⁰ArX³⁹Ar hornblende dating of a microgranodiorile dyke: implications for early Permian extension in the Moldanubian Zone of the Bohemian Massif. - Int. J. Earth Sci. (Geol. Rundsch.), 90: 379-385.
http://doi.org/10.1007/s005310000154

Liégeois. J.-P. - Navez. J. - Hertogen, J. - Black, R. (1998): Contrasting origin of post-collisional high-K. calc-alkaline and shoshonitic versus alkaline and peralkaline granitoids. - Lithos, 45: 1-28.
http://doi.org/10.1016/S0024-4937(98)00023-1

Liew, T. C. - Hofmann. A. W. (1988): Precambrian crustal components, plutonic associations, plate environment of the Hercynian Fold Belt of Central Europe: indications from a Nd and Sr isotopic study. Contrib. Mineral. Petrol., 98: 129-138.
http://doi.org/10.1007/BF00402106

Liew, T. C. - Finger, F. - Höck, V. (1989): The Moldanubian granitoid plutons in Austria: chemical and isotopic studies bearing on their environmental setting. - Chem. Geol., 76: 41-55.
http://doi.org/10.1016/0009-2541(89)90126-5

Lugmair, G. W. - Marti. K. (1978): Lunar initial ¹⁴³NoV¹⁴⁴Nd: differential evolution line of the lunar crust and mantle. - Earth Planet. Sci. Lett., 39: 349-357.
http://doi.org/10.1016/0012-821X(78)90021-3

Matejka. D. -Janousek, V. (1998): Whole-rock geochemistry and petrogenesis of granites from the northern part of the Moldanubian Batholith (Czech Republic). - Acta Univ. Carol., Geol., 42: 73-79.

Mattern, F. (2001 ): Permo-Silesian movements between Baltica and Western Europe: tectonics and, basin families'. - Terra Nova, 13: 368375.
http://doi.org/10.1046/j.1365-3121.2001.00368.x

Montel, J. M. -Didier, J, -Pichavant, M. (1991): Origin of surmicaceous enclaves in intrusive granites. - In: Didier, J. - Barbarin, B. (eds) : Enclaves and Granite Petrology. Elsevier, Amsterdam, 509-528.

Peccerillo, A. - Taylor, S. R. (1976): Geochemistry of Eocene calc-alkaline volcanic rocks from the Kastamonu area, Northern Turkey. Contrib. Mineral. Petrol., 58: 63-81.
http://doi.org/10.1007/BF00384745

Richard, P. - Shimizu, N. - Allégre. C. J. (1976): ¹⁴³NoV¹⁴⁶Nd, a natural tracer: an application to oceanic basalts. - Earth Planet. Sci. Lett., 31 : 269-278.

Rock, N. M. S. (1991): Lamprophyres. - Blackie, Glasgow and London, 285 pp.
http://doi.org/10.1007/978-1-4757-0929-2

Romer. R. L. - Förster, H. J. - Breitkreuz, C. (2001 ): lntracontinental extensional magmatism with a subduction fingerprint - the Late Carboniferous Halle Volcanic Complex (Germany). - Contrib. Mineral. Petrol., 141:201-221.
http://doi.org/10.1007/s004100000231

Schmidberger, S. S. - Hegner, E. (1999): Geochemistry and isotope systematics of calc-alkaline volcanic rocks from the Saar-Nahe basin (SW Germany) - implications for Late-Variscan erogenic development. - Contrib. Mineral. Petrol., 135: 373-385.
http://doi.org/10.1007/s004100050518

Steiger, R. H. -Jäger, E. (1977): Subcommission on Geochronology; convention on the use of decay constants in geo- and cosmochronology. - Earth Planet. Sci. Lett., 36: 359-362.
http://doi.org/10.1016/0012-821X(77)90060-7

Sun, S. S. -McDonough, W. F. (1989): Chemical and isotopic systematics of oceanic basalts: implications for mantle composition and processes. - In: Saunders, A. D. - Norry, M. (eds): Magmatism in Ocean Basins. Geological Society of London Special Publication 42, 313-345.
http://doi.org/10.1144/GSL.SP.1989.042.01.19

Tatsumi, Y. - Eggins, S. ( 1995): Subduction Zone Magmatism. - Frontiers in Earth Sciences, Blackwell, Cambridge, Mass., 211 pp.

Ulrych, J. - Pešek, J. - Štepánková-Svobodová, J. - Bosák. P. - Lloyd. F. E. - van Seckendorff. V. - Long, M. - Novák, J. K. (2006): Permo Carboniferous volcanism in late Variscan continental basins of the Bohemian Massif (Czech Republic): geochemical characteristic. Chemie der Erde, 66: 37-56.
http://doi.org/10.1016/j.chemer.2004.02.001

Vellmer, C. - Wedepohl, K. H. (1994): Geochemical characterization and origin of granitoids from the South Bohemian Batholith in Lower Austria. - Contrib. Mineral. Petrol., 118: 13-32.
http://doi.org/10.1007/BF00310608

Vrána, S. (2004): Late Variscan SuSice dyke swarm (Moldanubian Zone): quartz micromonzodiorite dykes and their pyroxene gabbro xenoliths. - Bull. Czech Geol. Survey, 79: 221-229.

Vrána, S. - Bártek, J. (2005): Retrograde metamorphism in a regional shear zone and related chemical changes: The Kaplice Unit of muscovite-biotite gneisses in the Moldanubian Zone of southern Bohemia, Czech Republic. - J. Czech Geol. Soc., 50: 43-57.
http://doi.org/10.3190/jcgs.974

Vrána, S. - Bendl, J. - Bu:ek. F. (1993 ): Pyroxene microgranodiorite dykes from the Sevetin structure, Czech Republic: mineralogical, chemical, and isotopic indication of a possible impact melt origin. - J. Czech Geol. Soc., 38: 129-148.

Vrána, S. - Slabý, J. - Bendl, J. (2005): The Kaplice dyke swarm of biotite granodiorite porphyry and its relationship to the Freistadt granodiorite, Moldanubian Batholith. - J. Czech Geol. Soc., 50: 9-17.
http://doi.org/10.3190/jcgs.971

Wyllie, P.J.- Cox, K. G. - Biggar, G. M. (1962): The habit of apatite in synthetic systems and igneous rocks. - Journal of Petrology, 3: 238243.
http://doi.org/10.1093/petrology/3.2.238