TY - CHAP A1 - Kreuzer, Hans A1 - Vejnar, Zdenek A1 - Schüssler, Ulrich A1 - Okrusch, Martin A1 - Seidel, Eberhard T1 - K-Ar dating of the last metamorphic events in different tectonic units of the western margin of the Bohemian Massif N2 - K-Ar dating on hornblendes and micas from the TepläDomazlice zone revealed a pattern of dates which significantly deviates from the mid-Carboniferous to early Permian one that is found in the adjacent low-pressure metamorphic Moldanubian and Saxothuringian. Especially for the Mariänske Läzne metabasic complex, confirming early Czech determinations, the dates resemble the early Devonian pattern determined for the Münchberg Gneiss Massif and the Erbendorf-Vohenstrauß zone of northeastern Bavaria. This supports the idea that all three units are remnants of a huge complex which suffered a metamorphic overprint under medium-pressure conditions, probably in the early Devonian. Streng rejuvenation is found in the southern part of the Teplä-Domailice zone by which micas and even two hornblendes were reset to mid-Carboniferous ages. According to the geological setting, part of the apparently preDevonian dates may be explained by inherited argon from earlier metamorphic and magmatic events, e.g. the high-pressure metamorphism documented in eclogitic relics. However, excess argon, caused by the mid-Carboniferous overprint cannot be excluded. KW - Geochemie Y1 - 1988 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-87527 ER - TY - CHAP A1 - Schüssler, Ulrich A1 - Vejnar, Z. A1 - Okrusch, M. A1 - Rose, S. A1 - Seidel, E. T1 - Geochemistry of Metabasites and gabbroic rocks from the Tepla-Domazlice zone N2 - Various amphibolites, metagabbros and eclogitic relics of the Mariänske Läzne complex, and amphibolites from the Cernä Hora Massif exhibit an uniform geochemical character which compares weil with modern mid-ocean ridge basalts. Geochemically these metabasites are similar to the amphibolites of the Myto area and to schistose, partly striped amphibolites of the neighbouring Tirschenreuth-Mähring Zone and the Erbendorf-Vohenstrauss Zone (Bavaria). Greenschists and amphibolites from the Domazlice metamorphic complex show an alkaline-basaltic tendency conforming to modern within-plate basalts or basalts from anomalaus midocean ridge segments. In their chemical character, these metabasites compare weil with the flaseramphibolites of the Erbendorf-Vohenstrauss Zone. Fine-grained amphibolites in the Warzenrieth area and (gabbro-) amphibolites in the Blätterberg-Hoher Bogen area show normal MORB character. The metamorphosed gabbroic rocks in the southern part of the Neukirchen-Kdyne (meta-) igneous complex are subalkaline - tholeiitic and exhibit a magmatic differentiation trend. They differ from the neighbouring amphibolites by generally lower contents of incompatible elements. KW - Geochemie Y1 - 1988 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-87511 ER - TY - CHAP A1 - Kreuzer, H. A1 - Henjes-Kunst, F. A1 - Seidel, E. A1 - Schüssler, Ulrich A1 - Bühn, B. T1 - Ar-Ar spectra on minerals from KTB and related medium-pressure units N2 - No abstract available. KW - Kontinentales Tiefbohrprogramm Y1 - 1993 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-86731 ER - TY - CHAP A1 - Schüssler, Ulrich A1 - Vejnar, Z. A1 - Okrusch, Martin A1 - Rose, D. A1 - Seidel, E. T1 - Geochemistry of metabasites and gabbroic rocks from the Tepla-Domazlice zone. N2 - Various amphibolites, metagabbros and eclogitic relics of the Mariimske Lazne complex, and amphibolites from the Cerna Hora Massif exhibit an uniform geochemical character which compares well with modern mid-ocean ridge basalts. Geochemically these metabasites are similar to the amphibolites of the My to area and to schistose. partly striped amphibolites of the neighbouring Tirschenreuth-Mahring Zone and the Erbendorf-Vohenstrauss Zone (Bavaria). Greenschists and amphibolites from the Domailice metamorphic complex show an alkaline-basaltic tendency conforming to modern within-plate basalts or basalts from anomalous midocean ridge segments. In their chemical character, these metabasites compare well with the flaseramphibolites of the Erbendorf-Vohenstrauss Zone. Fine-grained amphibolites in the Warzenrieth area and gabbroic amphiboltes in the Blatterberg-Hoher Bogen area show normal MORB character. The metamorphosed gabbroic rocks in the southern part of the Neukirchen-Kdyne (meta-) igneous complex are subalkaline-tholeiitic and exhibit a magmatic differentiation trend. They differ from the neighbouring amphibolites by generally lower contents of incompatible elements. Y1 - 1988 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-39164 ER - TY - CHAP A1 - Schüssler, Ulrich A1 - Kreuzer, H. A1 - Lenz, H. A1 - Lenz, K.-L. A1 - Raschka, H. A1 - Oppermann, U. A1 - Pommerenke, K. A1 - Seidel, E. A1 - Okrusch, M. T1 - Geochronologische Untersuchungen in der Oberpfalz: K/Ar Mineral- und Rb/Sr Gesamtgesteinsdatierungen N2 - No abstract available KW - Kontinentales Tiefbohrprogramm Y1 - 1986 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-39195 ER - TY - CHAP A1 - Schüssler, Ulrich A1 - Okrusch, Martin A1 - Seidel, Eberhard A1 - Kreuzer, Hans A1 - Raschka, Helmut T1 - Pre- to early Variscan magmatism in the Bohemian Massif N2 - No abstract available Y1 - 1990 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-39171 ER - TY - CHAP A1 - Schüssler, Ulrich A1 - Oppermann, U. A1 - Seidel, E. A1 - Okrusch, M. A1 - Richter, P. T1 - Vergleichende Untersuchungen an Metabasiten des ostbayerischen Kristallins T1 - Comparative inquiries into the metabasite of the eastern Bavarian crystallines N2 - No abstract available KW - Kontinentales Tiefbohrprogramm Y1 - 1986 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-39212 ER - TY - CHAP A1 - Schüssler, Ulrich A1 - Kreuzer, H. A1 - Okrusch, M. A1 - Raschka, H. A1 - Seidel, E. A1 - Vejnar, Z. T1 - Ar-Ar Datierungen am NW-Rand der Böhmischen Masse N2 - No abstract available Y1 - 1989 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-39235 ER - TY - CHAP A1 - Schüssler, Ulrich A1 - Okrusch, M. A1 - Richter, P. A1 - Seidel, E. T1 - Geochemistry of metabasites and element mobility N2 - No abstract available Y1 - 1988 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-38880 ER - TY - CHAP A1 - Seidel, E. A1 - Kreuzer, H. A1 - Schüssler, Ulrich A1 - Okrusch, M. A1 - Lenz, K.-L. A1 - Raschka, H. T1 - K-Ar geochronology of the East-Bavarian basement N2 - No abstract available Y1 - 1988 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-38874 ER -