7210
1988
eng
conferenceobject
1
2013-09-16
--
--
K-Ar dating of the last metamorphic events in different tectonic units of the western margin of the Bohemian Massif
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.
8183
urn:nbn:de:bvb:20-opus-87527
In: Proceedings of the 1st International Conference on the Bohemian Massif 26.9.- 3.10.1988 Prag,1988, S. 168-175
Deutsches Urheberrecht
Hans Kreuzer
Zdenek Vejnar
Ulrich Schüssler
Martin Okrusch
Eberhard Seidel
deu
swd
Geochemie
Geowissenschaften
open_access
Institut für Mineralogie und Kristallstrukturlehre
Universität Würzburg
https://opus.bibliothek.uni-wuerzburg.de/files/7210/Schuessler_OPUS_7210.pdf
7214
1988
eng
conferenceobject
1
2013-09-16
--
--
Geochemistry of Metabasites and gabbroic rocks from the Tepla-Domazlice zone
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.
8190
urn:nbn:de:bvb:20-opus-87511
In: Proceedings of the 1st International Conference on the Bohemian Massif, Prag, Sept. 26-Oct. 2, 1988, S. 247-256
Deutsches Urheberrecht
Ulrich Schüssler
Z. Vejnar
M. Okrusch
S. Rose
E. Seidel
deu
swd
Geochemie
Geowissenschaften
open_access
Institut für Mineralogie und Kristallstrukturlehre
Universität Würzburg
https://opus.bibliothek.uni-wuerzburg.de/files/7214/Schuessler_OPUS_7214.pdf
7207
1993
eng
conferenceobject
1
2013-09-16
--
--
Ar-Ar spectra on minerals from KTB and related medium-pressure units
No abstract available.
8179
urn:nbn:de:bvb:20-opus-86731
In: KTB-Report, 1993, 93, 2, S. 133-136.
Deutsches Urheberrecht
H. Kreuzer
F. Henjes-Kunst
E. Seidel
Ulrich Schüssler
B. Bühn
deu
swd
Kontinentales Tiefbohrprogramm
Geowissenschaften
open_access
Institut für Mineralogie und Kristallstrukturlehre
Universität Würzburg
https://opus.bibliothek.uni-wuerzburg.de/files/7207/Schuessler_7207.pdf
3324
1990
eng
conferenceobject
1
2009-11-11
--
--
Pre- to early Variscan magmatism in the Bohemian Massif
No abstract available
urn:nbn:de:bvb:20-opus-39171
3917
In: Mid-German Crystalline Rise & Rheinisches Schiefergebirge : field-guide to pre-conference excursion ; IGCP 233: terranes in ... / Comp. by Wolfgang Franke. - (Conference on Paleozoic Orogens in Central Europe - Geology and Geophysics, Field-Guide). - Göttingen [u.a.] : IGCP, 1990, S. 25-35.
Ulrich Schüssler
Martin Okrusch
Eberhard Seidel
Hans Kreuzer
Helmut Raschka
Geowissenschaften
open_access
Institut für Mineralogie und Kristallstrukturlehre
Universität Würzburg
https://opus.bibliothek.uni-wuerzburg.de/files/3324/Schuessler_Variscan_magmatism.pdf
3319
1988
eng
conferenceobject
1
2009-11-11
--
--
Geochemistry of metabasites and element mobility
No abstract available
urn:nbn:de:bvb:20-opus-38880
3888
In: Kontinentales Tiefbohrprogramm der Bundesrepublik Deutschland: KTB-Report - Beiträge zum 1. KTB-Kolloquium, Gießen, 28.-29.1.1988, Posterprogramm / hrsg. von der Projektltg. Kontinentales Tiefbohrprogramm der Bundesrep. Deutschland im Niedersächs. Landesamt f. Bodenforschung, Bd. 10, S. 58.
Ulrich Schüssler
M. Okrusch
P. Richter
E. Seidel
Geowissenschaften
open_access
Institut für Mineralogie und Kristallstrukturlehre
Universität Würzburg
https://opus.bibliothek.uni-wuerzburg.de/files/3319/Schuessler_geochemistry_metabasites.pdf
3318
1988
eng
conferenceobject
1
2009-11-11
--
--
K-Ar geochronology of the East-Bavarian basement
No abstract available
urn:nbn:de:bvb:20-opus-38874
3887
In: Kontinentales Tiefbohrprogramm der Bundesrepublik Deutschland: KTB-Report - Beiträge zum 1. KTB-Kolloquium, Gießen, 28.-29.1.1988, Posterprogramm / hrsg. von der Projektltg. Kontinentales Tiefbohrprogramm der Bundesrep. Deutschland im Niedersächs. Landesamt f. Bodenforschung, Bd 10, S. 59.
E. Seidel
H. Kreuzer
Ulrich Schüssler
M. Okrusch
K.-L. Lenz
H. Raschka
Geowissenschaften
open_access
Institut für Mineralogie und Kristallstrukturlehre
Universität Würzburg
https://opus.bibliothek.uni-wuerzburg.de/files/3318/Schuessler_Geochronology_basement.pdf
3316
1987
eng
conferenceobject
1
2009-11-10
--
--
Amphibolites of the KTB target area Oberpfalz, Bavaria
No abstract available
urn:nbn:de:bvb:20-opus-38866
3886
In: European Union of Geosciences: 4th EUG-Meeting, 13.4.-16.4.1987, Strasbourg (Terra Cognita 7), S. 164.
Ulrich Schüssler
M. Okrusch
P. Richter
Geowissenschaften
open_access
Institut für Mineralogie und Kristallstrukturlehre
Universität Würzburg
https://opus.bibliothek.uni-wuerzburg.de/files/3316/Schuessler_Amphibolites.pdf
2872
1988
eng
conferenceobject
1
2009-04-22
--
--
K-Ar dating in the Teplá-Domazlice zone at the western margin of the Bohemian Massif
K-Ar dating on hornblendes and micas from the Tepla Domazlice 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 Marianske Lazne metabasic complex, confirming early Czech determinations, the dates resemble the early Devonian pattern determined for the Munchberg Gneiss Massif and the Erbendorf-Vohenstrau 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. Strong rejuvenation is found in the southern part of the Tepla-Domazlice 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 eciogitic relics. However, excess argon, caused by the mid-Carboniferous overprint cannot be excluded.
urn:nbn:de:bvb:20-opus-31106
3110
In: Kukal, Z. (ed.): Proceedings of the 1st International Conference on the Bohemian Massif (26.09.-03.10.1988). - Prague: Czech Geological Survey, 1988, 168-175
Hans Kreuzer
Zdenek Vejnar
Ulrich Schüssler
Martin Okrusch
Eberhard Seidel
Geowissenschaften
open_access
Institut für Mineralogie und Kristallstrukturlehre
Universität Würzburg
https://opus.bibliothek.uni-wuerzburg.de/files/2872/Schuessler_K_ar_dating.pdf