Zur Tektonik des SW-Abschnittes der Moselmulde

Hoeppener, Rolf

doi:10.1007/bf01803029

Cited by 17 publications

(4 citation statements)

References 6 publications

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“…720 and 560 ka in the external parts indicates a bilateral structure in terms of space-time distribution. Regional tectonic studies (Hoeppner, 1957;Solle, 1976) have shown that there is a rotation of the fold axes of the weakly metamorphosed Hercynian host rocks from 70 to 50 • in the E to 50 to 35 • in the W of the West Eifel volcanic field with transverse joints staying normal to the rotating fold axes. Striking of the Hercynian transverse joints between 135 and 155 • corresponds to the lineament formed by volcanic occurrences >480 ka.…”

Section: Ar/ 39 Ar Datingmentioning

confidence: 97%

Temporal–spatial evolution of low-SiO2 volcanism in the Pleistocene West Eifel volcanic field (West Germany) and relationship to upwelling asthenosphere

Mertz

Löhnertz²,

Nomade

et al. 2015

Journal of Geodynamics

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Section: Ar/ 39 Ar Datingmentioning

confidence: 97%

Temporal–spatial evolution of low-SiO2 volcanism in the Pleistocene West Eifel volcanic field (West Germany) and relationship to upwelling asthenosphere

Mertz

Löhnertz²,

Nomade

et al. 2015

Journal of Geodynamics

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“…The major structural elements in this part of the Rhenish Massif include the Mosel Syncline, the Hunsriick Slate Belt and the Hunsriick Boundary Fault (for details see Kienow 1934;Hoeppener 1957;Stets 1962;Anderle 1987;Oncken 1988a,b). While the northernmost part of the Mosel Syncline is characterized by large upright to overturned SE-vergent folds and imbricates (Budeus 1987), on its southern flank the hanging wall of the important SE-dipping Boppard Thrust shows a different style: strongly NW-facing asymmetric folds and first cleavage which fan in the southern direction into an upright to SE-vergent geometry.…”

Section: The Mosel Syncline and The Hunsriick Slate Beltmentioning

confidence: 99%

Results of the DEKORP 1 (BELCORP-DEKORP) deep seismic reflection studies in the western part of the Rhenish Massif

Anderle¹,

Bittner

Bortfeld

et al. 1991

Geophysical Journal International

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Within the DEKORP project (DEKORP: Deutsches Kontinentales Reflexionsseismisches Programm) a joint deep seismic reflection venture with the BELCORP (Belgian Continental Reflection Seismic Programme) group of the Belgian Geological Survey was carried out in 1987 across the Rhenish Massif, a part of the mid-European Variscides. This orogenic belt developed in the Upper Devonian/Carboniferous. Mostly Devonian rocks crop out at the surface. The Rhenish Massif is bordered by two sedimentary troughs: the sub-Variscan Foredeep in the north and the Permo-Carboniferous Saar-Nahe Basin in the south. In the east-west direction it is subdivided by the axial depression of the Eifel Nord-Siid Zone.The aim of the survey which totals almost 220 km of seismic profiling, was to investigate the crustal structure of the western part of the Rhenish Massif and to compare it with the line DEKORP 2-N which crosses the eastern portion of the massif. The results indicate the presence of NW-vergent tectonics of various styles that can often be traced down to deep parts of the crust. Horizontal Variscan compression plays a dominant role in the northern part while post-Variscan extension seems to dominate in the Saar-Nahe Basin, although even there traces of Variscan compression seem to be preserved in the middle crust. Common characteristics of the pre-Palaeozoic basement, differences between the western and eastern parts of the Rhenish Massif, and the deep extension of the Aachen Thrust (Faille du Midi) have been clearly observed. This prominent thrust in the north with its characteristic ramp and flat structure has been followed over 100 km length down 'Now at: Forschungsanstalt der Bw. fur Wasserschall-und Geophysik, Kiel, Germany 203 204 DEKORP Research Group I to 15 km depth. It contrasts sharply with the very complex deep fault system in the south, separating the post-orogenic Saar-Nahe Basin from the Hunsruck mountains. The integration of accompanying geophysical and geological studies provides a new synoptic picture of the evolution and tectonics of this key area of Central Europe.

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“…At least part of these structures are extensional (HOEPPENER, 1957), and occur in areas where the anisotropy (bedding, earlier cleavages) has been rotated into subvertical attitudes by rotation at listric thrust surfaces (WEBER, 1978(WEBER, , 1981. At least part of these structures are extensional (HOEPPENER, 1957), and occur in areas where the anisotropy (bedding, earlier cleavages) has been rotated into subvertical attitudes by rotation at listric thrust surfaces (WEBER, 1978(WEBER, , 1981.…”

Section: Volcanic Activitymentioning

confidence: 99%

Crustal structure of the Rhenish Massif: results of deep seismic reflection lines Dekorp 2-North and 2-North-Q

Franke

Bortfeld

Brix³

et al. 1990

Geol Rundsch

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In den devonischen und vordevonischen Sedimenten des rechtsrheinischen Schiefergebirges erzeugt die Schichtung nur relativ schwache, kurze und unregelm~ifiige Reflexionen. Diese werden von st~irkeren, siidfallenden Reflektoren abgeschnitten, die aufgrund ihrer listrischen Kriimmung und flat/ramp-Geometrie wahrscheinlich als Uberschiebungen zu interpretieren sind. Im Nordteil des Schiefergebirges sind diese f3berschiebungen offenbar blind, werden also nahe der Oberfl~iche dutch Faltung kompensiert. Im Ebbe-Sattel und weiter siidlich lassen sich die meisten der starken, siidfallenden Reflektoren zweifelsfrei mit bekannten Grogiiberschiebungen korrelieren (Ebbe-, Siegen-, Miisen-, Sackpfeife-U., sowie weitere l]berschiebungen in der Lahn-u. Dill-Mulde). Die Basisiiberschiebung der Giessen-Decke wird nur teilweise abgebildet.Zur Tiefe hin zeigen die Oberschiebungen ein zunehmend flacheres Einfallen, und verschwinden in einer relativ transparenten Zone zwischen 3 und 5 s TWT, die im Hangenden und Liegenden durch diinne, stark reflektive Zonen begrenzt ist. Diese transparente Zone entspricht m6glicherweise einer Zone hoher integrierter Leitf~higkeit, die in einem begleitenden magnetotellurischen Experiment nachgewiesen worden ist; es handelt sich entweder um einen Graphit-fiihrenden Phyllit-Horizont oder eine mgchtigere permeable Zone mit Elektrolyt-gefiilltem Porenraum. Die hochreflektiven Ninder iiber und unter der transparenten Zone entsprechen entweder lithologischen Kontrasten oder rheologischen Grenzen, die vermutlich von einer scherenden Verformung iiberpr'~igt worden sind.Die Unterkruste im N-Teil des Profiles enth~ih einen relativ transparenten Bereich, der nach Siiden hin unter dem Nor& tell des Siegener Sattels keilf6rmig ausl~iuft. Ein ~hnliches Bild zeigt der Nordteil des ECORS-Profiles ,,Nord de la France,,. Die transparenten Bereiche beider Profile entsprechen wahrscheinlich einem pr~i-pal~iozoischen kristallinen Basement, das das Brabanter Massif unterlagert und sich rechtsrheinisch fortsetzt. Siidlich des transparenten Keiles wird die Unterkruste zunehmend reflexionsreicher.Die listrisch gekriimmten, an Uberschiebungen gebundenen Reflektoren werden von einem konjugierten System schw~icherer, N-u. S-fallender Refiektoren abgeschnitten, die auf eine jiingere, bruchhafte Verformung durch reine Scherung hindeuten. Der Versatz einiger ~.iterer Reflektoren deutet auf sp{it-oder postvariscische Kompression hin. 524 W. FRANKE et al.In einer ahernativen Interpretation werden nut diese jiingeren Reflektoren als Uberschiebungen gedeutet; die ~iheren, gekriimmten Elemente mtit~ten dann prim~iren lithologischen Grenzen entsprechen.Die Moho steigt von ca. 11 s TWT im N auf 8.5 s TWT unter dem Taunus an. Die Krustenverdiinnung im Siiden geht wahrscheinlich auf Dehnung im Terti~ir zuriick. AbstractThe reflection seismic line DEKORP 2-N reveals an almost complete cross section through the Rhenohercynian Zone, the most external part of the Variscan orogen in Europe.The northern part of DEKORP 2-N and a NE-directed branc...

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Zur Tektonik des SW-Abschnittes der Moselmulde

Cited by 17 publications

References 6 publications

Temporal–spatial evolution of low-SiO2 volcanism in the Pleistocene West Eifel volcanic field (West Germany) and relationship to upwelling asthenosphere

Temporal–spatial evolution of low-SiO2 volcanism in the Pleistocene West Eifel volcanic field (West Germany) and relationship to upwelling asthenosphere

Results of the DEKORP 1 (BELCORP-DEKORP) deep seismic reflection studies in the western part of the Rhenish Massif

Crustal structure of the Rhenish Massif: results of deep seismic reflection lines Dekorp 2-North and 2-North-Q

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