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  Deep seismic reflection profile KTB 1985 Line 6 in the Upper Palatinate, Southeast Germany

Stiller, M., Kaerger, L., Agafonova, T., Krawczyk, C., Oncken, O., Weber, M., Leaders, F. D. P., Group, F. D. R., Centre, F. D. P. (2022): Deep seismic reflection profile KTB 1985 Line 6 in the Upper Palatinate, Southeast Germany.
https://doi.org/10.5880/GFZ.DEKORP.KTB8506.001

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 Urheber:
Stiller, Manfred1, Autor              
Kaerger, Lauretta1, Autor              
Agafonova, Tatiana1, Autor              
Krawczyk, C.M.1, Autor              
Oncken, O.2, Autor              
Weber, Michael1, Autor              
Leaders, Former DEKORP Project, Autor
Group, Former DEKORP Research, Autor
Centre, Former DEKORP Processing, Autor
Affiliations:
12.2 Geophysical Imaging of the Subsurface, 2.0 Geophysics, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum, ou_66027              
24.1 Lithosphere Dynamics, 4.0 Geosystems, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum, ou_146034              

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Schlagwörter: DEKORP, Deutsches Kontinentales Reflexionsseismisches Programm, KTB, Kontinentales Tiefbohrprogramm, deep crustal structure, crustal-scale seismics, near-vertical incidence reflection, Vibroseis acquisition, Variscan Orogenic Belt, Saxothuringian, Moldanubian, Bohemian Massif, Zone of Tirschenreuth-Mähring, Mohorovičić discontinuity, scientific drilling, tectonothermal activity, seismic risks, lithosphere > earth's crust
 Zusammenfassung: The 42 km long KTB Line 6 was recorded in 1985 as part of deep seismic reflection investigations for the DEKORP (German Continental Seismic Reflection Program) and KTB (German Continental Deep Drilling Program) projects. The network of lines consists of two DEKORP profiles, DEKORP 4N and its appendix 4Q, and six shorter KTB profiles, KTB 8501 – 8506, arranged in the form of a grid parallel and perpendicular to the main tectonic lineaments. The purpose of the investigations was to explore the planned target area for the Continental Deep Drilling Site in the Upper Palatinate with high-fold near-vertical incidence vibroseis acquisition. The main focus was on the crustal structure of the central Mid-European Variscides down to the Moho and the uppermost mantle and, in particular, on the suture between the Moldanubian Zone and the northward adjacent Saxothuringian Zone as well as on the metamorphic Zone of Erbendorf-Vohenstrauss. The array of the KTB profiles represents the pre-cursor of the 3-D seismic survey ISO 1989 (Integrated Seismics Oberpfalz). Details of the experiment, first results and interpretations were published by DEKORP Research Group (1987, 1988). Results discussed together with the drilling site were presented in a number of works which can be found in Emmermann & Wohlenberg (1989). The Technical Report of KTB 8506 gives complete information about acquisition and processing parameters. The European Variscides, extending from the French Central Massif to the East European Platform, originated during the collision between Gondwana and Baltica in the Late Palaeozoic. Due to involvement of various crustal blocks in the orogenesis, the mountain belt is subdivided into distinct zones. The external fold-and-thrust belts of the Rhenohercynian and Saxothuringian as well as the predominantly crystalline body of the Moldanubian dominate the central European segment of the Variscides. Polyphase tectonic deformation, magmatism and metamorphic processes led to a complex interlinking between the units. The Saxothuringian represents the infill of a Cambro-Ordovician basin. The Moldanubian contains blocks of pre-Variscan crust and their Palaezoic cover. During the Variscan orogeny the Moldanubian crust was thrust toward the northwest over the Saxothuringian foreland. Both units were welded to one another by a low-pressure metamorphism accompanied by polyphase deformation (DEKORP Research Group, 1987, 1988). The SSE-NNW trending line KTB 8506 runs from the Upper Palatinate Forest in the southeast to the Fichtel Mountains in the northwest. The line is located ca. 22 km northeast from the KTB drill site, nearly parallel to KTB 8504, KTB 8505 and DEKORP 4N and perpendicular to KTB 8501 – 8503. The profile was arranged to explore the Tirschenreuth-Mähring segment of the Saxothuringian/Moldanubian boundary region (DEKORP Research Group, 1988).

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Sprache(n): eng - Englisch
 Datum: 20222022
 Publikationsstatus: Final veröffentlicht
 Seiten: -
 Ort, Verlag, Ausgabe: Potsdam : GFZ Data Services
 Inhaltsverzeichnis: -
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 Identifikatoren: DOI: 10.5880/GFZ.DEKORP.KTB8506.001
 Art des Abschluß: -

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