ZMĚNY PROVENIENCE DROB DRAHANSKÉHO KULMU: STATISTICKÉ POSOUZENÍ

Vol.7,(2000)

Abstract
New analytical data obtained during the project named "Exhumation of the Variscan lower crust: constraints from Viséan siliciclastics (Eastern Bohemian Massif)" were statistically evaluated. The paper presents more detailed knowledge on the spatial changes of the detritus deposited within axial turbidity system: translucent heavy mineral assemblages reflect changes of geodynamic conditions (rate of exhumation, erosion, transport, deposition) rather than provenance changes. Chemistry of detrital garnets reflects rather changes of source. For details see descriptions of Figs.

Keywords:
Culm; heavy minerals; garnets; multivariate statistics
References

Batík, P. - Fediuková, E. (1992): Garnet chemistry as an indicator of metamorphic development and deformations of the Moravicum in the Dyje dome. - Věst. Čes. geol. Úst., 67, 1, 75-79, Praha.

Fediuková, E. (1973): Zoning of garnets in the rocks from Moldanubicum. Zonárnost granátů v horninách Moldanubika. - Sbor. geol. Věd, Geol. 24, 7-72. Praha.

Fuchs, G. - Scharbert, H.G. (1979): Kleinere Granulitvorkommen im niederösterreichischen Moldanubikum und ihre Bedeutung für die Granulitgenese.- Verh. Geol. B-A. 2, 29-49, Wien.

Kurat, G. - Scharbert, H.G. (1972): Compozitional zoning in garnets from Granulite Facies Rocks of the Moldanubian Zone, Bohemian Massif of Lower Austria. - Earth Planet. Sci. Letters, 16, 379-387, Amsterdam.

Leichmann, J. (1996): Geologie und Petrologie des Brünner Massivs.- MS, Universität Salzburg

Matějovská, O. (1970): Composition of coexisting garnet and biotite from some granulites of Moldanubicum, Czechoslovakia. - Neu. Jb. Mineral. Mh., 249-263. Stuttgart.

Němec, D. (1977): The granulite from Drahonín (western Moravia, Czechoslovakia). - Neu. Jb. Mineral. Mh., 2, 69-84. Stuttgart.

Němec, D. (1980): Granulity miroslavské hrástě. - Čas. Mineral. Geol., 25, 2, 165-175, něm. res. Praha.

Otava J. (1995): Klastické granáty a chromity spodního karbonu jiní Moravy a jejich provenience. - Geol. Výzk. Mor. Slez. v r. 1994, II, 69-71, Brno.

Otava, J. (1998): Trendy změn ve složení siliciklastik drahanského kulmu a jejich geotektonická interpretace. - Geol. výzk. Mor. Slez. v r. 1997, 5, 62-64. Brno.

Scharbert, H.G. (1964): Die Granulite des südlichen niederösterreichischen Moldanubikums, II. Teil. - N. Jb. Min. Abh., 101, 27-66, Stuttgart.

Scharbert, H.G. - Kurat, G. (1974): Distribution of Some Elements Between Coexisting Ferromagnesian Minerals in Moldanubian Granulite Facies Rocks, Lower Austria, Austria. - Tschermaks Miner. Petr. Mitt., 21, 110-134, Wien.

Urban, M. (1998): Strain and metamorphic manifestation of small ductile shear zones in the Náměš granulite (SW Moravia, Czechoslovakia). - Věst. Ústř. Úst. Geol., 63, 4, 209-219, Praha.

Metrics

303

Views

144

PDF (Čeština) views