@article{vonGehlenMatthesOkruschetal.1990, author = {von Gehlen, K. and Matthes, S. and Okrusch, Martin and Richter, P. and R{\"o}hr, C. and Sch{\"u}ssler, Ulrich}, title = {Metapyroxenite in der KTB-Vorbohrung}, url = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-87539}, year = {1990}, abstract = {No abstract available.}, subject = {Kontinentales Tiefbohrprogramm der Bundesrepublik Deutschland}, language = {de} } @techreport{SchuesslervonGehlenMatthesetal.1991, author = {Sch{\"u}ssler, Ulrich and von Gehlen, K. and Matthes, S. and Okrusch, Martin and Richter, P. and R{\"o}hr, C.}, title = {Ultramafische Einschaltungen in Metabasiten der KTB-Vorbohrung}, url = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-39206}, year = {1991}, abstract = {No abstract available}, subject = {Kontinentales Tiefbohrprogramm}, language = {de} } @inproceedings{SchuesslerVejnarOkruschetal.1988, author = {Sch{\"u}ssler, Ulrich and Vejnar, Z. and Okrusch, Martin and Rose, D. and Seidel, E.}, title = {Geochemistry of metabasites and gabbroic rocks from the Tepla-Domazlice zone.}, url = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-39164}, year = {1988}, abstract = {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.}, language = {de} } @article{SchuesslerRichterOkrusch1989, author = {Sch{\"u}ssler, Ulrich and Richter, P. and Okrusch, Martin}, title = {Metabasites from the KTB Oberpfalz target area, Bavaria - geochemical characteristics and examples of mobile behaviour of "immobile" elements}, url = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-31021}, year = {1989}, abstract = {No abstract available}, language = {en} } @article{SchuesslerOppermannKreuzeretal.1986, author = {Sch{\"u}ssler, Ulrich and Oppermann, Uwe and Kreuzer, Hans and Seidel, Eberhard and Okrusch, Martin and Lenz, Karl-Ludwig and Raschka, Helmut}, title = {Zur Altersstellung des ostbayerischen Kristallins - Ergebnisse neuer K-Ar Datierungen}, url = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-31778}, year = {1986}, abstract = {No abstract available}, language = {de} } @inproceedings{SchuesslerOkruschSeideletal.1990, author = {Sch{\"u}ssler, Ulrich and Okrusch, Martin and Seidel, Eberhard and Kreuzer, Hans and Raschka, Helmut}, title = {Pre- to early Variscan magmatism in the Bohemian Massif}, url = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-39171}, year = {1990}, abstract = {No abstract available}, language = {en} } @inproceedings{KreuzerVejnarSchuessleretal.1988, author = {Kreuzer, Hans and Vejnar, Zdenek and Sch{\"u}ssler, Ulrich and Okrusch, Martin and Seidel, Eberhard}, title = {K-Ar dating in the Tepl{\´a}-Domazlice zone at the western margin of the Bohemian Massif}, url = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-31106}, year = {1988}, abstract = {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.}, language = {en} } @inproceedings{KreuzerVejnarSchuessleretal.1988, author = {Kreuzer, Hans and Vejnar, Zdenek and Sch{\"u}ssler, Ulrich and Okrusch, Martin and Seidel, Eberhard}, title = {K-Ar dating of the last metamorphic events in different tectonic units of the western margin of the Bohemian Massif}, url = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-87527}, year = {1988}, abstract = {K-Ar dating on hornblendes and micas from the Tepl{\"a}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 Mari{\"a}nske L{\"a}zne metabasic complex, confirming early Czech determinations, the dates resemble the early Devonian pattern determined for the M{\"u}nchberg 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 Tepl{\"a}-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.}, subject = {Geochemie}, language = {en} } @article{KreuzerSeidelSchuessleretal.1989, author = {Kreuzer, Hans and Seidel, Eberhard and Sch{\"u}ssler, Ulrich and Okrusch, Martin and Lenz, Karl-Ludwig and Raschka, Helmut}, title = {K-Ar geochronology of different tectonic units at the northeastern margin of the Bohemian Massif}, url = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-31811}, year = {1989}, abstract = {No abstract available}, language = {en} } @article{ErtlGiesterSchuessleretal.2013, author = {Ertl, Andreas and Giester, Gerald and Sch{\"u}ssler, Ulrich and Br{\"a}tz, Helene and Okrusch, Martin and Tillmanns, Ekkehart and Bank, Hermann}, title = {Cu- and Mn-bearing tourmalines from Brazil and Mozambique: crystal structures, chemistry and correlations}, series = {Mineralogy and Petrology}, volume = {107}, journal = {Mineralogy and Petrology}, number = {2}, doi = {10.1007/s00710-012-0234-6}, url = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-127296}, pages = {265-279}, year = {2013}, abstract = {Cu- and Mn-bearing tourmalines from Brazil and Mozambique were characterised chemically (EMPA and LA-ICP-MS) and by X-ray single-crystal structure refinement. All these samples are rich in Al, Li and F (fluor-elbaite) and contain significant amounts of CuO (up to ~1.8 wt\%) and MnO (up to ~3.5 wt\%). Structurally investigated samples show a pronounced positive correlation between the distances and the (Li + Mn\(^{2+}\) + Cu + Fe\(^{2+}\)) content (apfu) at this site with R\(^2\) = 0.90. An excellent negative correlation exists between the distances and the Al\(_2\)O\(_3\) content (R\(^2\) = 0.94). The samples at each locality generally show a strong negative correlation between the X-site vacancies and the (MnO + FeO) content. The Mn content in these tourmalines depends on the availability of Mn, on the formation temperature, as well as on stereochemical constraints. Because of a very weak correlation between MnO and CuO we believe that the Cu content in tourmaline is essentially dependent on the availability of Cu and on stereochemical constraints.}, language = {en} }