Pleistocene northwards fold propagation of the Jura within the southern Upper Rhine Graben: seismotectonic implications

Nivière, Bertrand; Winter, Thierry

doi:10.1016/s0921-8181(01)00070-4

Cited by 55 publications

(87 citation statements)

References 25 publications

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“…12). These observations contrast with the northwestern front of the Jura Mountains where such late-stage deformation was only recorded outside the fold-and-thrust belt proper (Nivière and Winter 2000;Giamboni et al 2004a). In the study area, reconstruction of the river incision and deformation history reveals that along the Doubs Valley, folding occurred simultaneously with focused Pleistocene river incision (Dreyfuss and Glangeaud 1950;Madritsch 2008).…”

Section: Tectonic Implicationsmentioning

confidence: 59%

“…While some authors proposed that thin-skinned fold-and-thrust belt propagation continued into Pleistocene times (Nivière and Winter 2000), others infer a switch towards thick-skinned tectonics involving shortening of the crystalline basement beneath the detached Mesozoic cover sediments of the fold-and-thrust belt and in its foreland (Meyer et al 1994;Giamboni et al 2004a;Rotstein and Schaming 2004;Ustaszewski and Schmid 2007;Fig. 3).…”

Section: Tectonic Settingmentioning

confidence: 99%

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Feedback between erosion and active deformation: geomorphic constraints from the frontal Jura fold-and-thrust belt (eastern France)

Madritsch¹,

Fabbri²,

Hagedorn³

et al. 2009

Int J Earth Sci (Geol Rundsch)

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A regional tectono-geomorphic analysis indicates a Pliocene to recent rock uplift of the outermost segment of the Jura fold-and-thrust belt, which spatially coincides with the intra-continental Rhine-Bresse Transfer Zone. Elevated remnants of the partly eroded Middle Pliocene Sundgau-Forêt de Chaux Gravels identified by heavy mineral analyses allow for a paleo-topographic reconstruction that yields minimum regional Latest Pliocene to recent rock uplift rates of 0.05 ± 0.02 mm/year. This uplift also affected the Pleistocene evolution of the Ognon and Doubs drainage basins and is interpreted as being tectonically controlled. While the Ognon River was deflected from the uplifted region the Doubs deeply incised into it.Focused incision of the Doubs possibly sustained ongoing deformation along anticlines which were initiated during the Neogene evolution of the thin-skinned Jura fold-and-thrust belt. At present, this erosion-related active deformation is taking place synchronously with thick-skinned tectonics, controlling the inversion of the Rhine-Bresse Transfer Zone. This suggests local decoupling between seismogenic basement faulting and erosion-related deformation of the Mesozoic cover sequences.

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Section: Tectonic Implicationsmentioning

confidence: 59%

Section: Tectonic Settingmentioning

confidence: 99%

Feedback between erosion and active deformation: geomorphic constraints from the frontal Jura fold-and-thrust belt (eastern France)

Madritsch¹,

Fabbri²,

Hagedorn³

et al. 2009

Int J Earth Sci (Geol Rundsch)

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“…However, there is no geologic or geophysical evidence for subsidence. Rather, a series of Quaternary cut-terraces north of the Jura Mountains (Nivière and Winter, 2000), as well as very slow compressional neotectonic movements in this area (Ustaszewski & Schmid, 2007) suggest a small relative surface uplift. Therefore, the geodetic base level of Aarburg is very likely experiencing a positive vertical motion with respect to the undeformed reference lithosphere.…”

Section: Geodetic Rock Upliftmentioning

confidence: 90%

Erosion-driven uplift of the modern Central Alps

et al. 2009

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We present a compilation of data of modern tectono-geomorphic processes in the Central European Alps which suggest that observed rock uplift is a response to climate-driven denudation. This interpretation is predominantly based on the recent quantification of basinaveraged Late Holocene denudation rates that are so similar to the pattern and rates of rock uplift rates as determined by geodetic leveling. Furthermore, a GPS data-based synthesis of Adriatic microplate kinematics suggests that the Central Alps are currently not in a state of active convergence. Finally, we illustrate that the Central Alps have acted as a closed system for Holocene redistribution of sediment in which the peri-Alpine lakes have operated as a sink for the erosional products of the inner Central Alps.While various hypotheses have been put forward to explain Central Alpine rock uplift (e.g. lithospheric forcing by convergence, mantle processes, or ice melting) we show with an elastic model of lithospheric deformation, that the correlation between erosion and rock uplift rates reflects a positive feedback between denudation and the associated isostatic response to unloading. Thus, erosion does not passively respond to advection of crustal material as might be the case in actively converging orogens. Rather, we suggest that the geomorphic response of the Alpine topography to glacial and fluvial erosion and the resulting disequilibrium for modern channelized and associated hillslope processes explains much of the pattern of modern denudation and hence rock uplift. Therefore, in a non-convergent orogen such as the Central European Alps, the observed vertical rock uplift is primarily a consequence of passive unloading due to erosion.

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“…Alternative views (to the reinach fault as responsible for the basel earthquake) have been published by Meyer et al (1994) and Niviere & Winter (2000). both argue in favor of a thrust mechanism, in relation with ongoing Jura or rather Alpine shortening in a (N)NW-(s)sE direction, possibly by reactivation of older, Permo-carboniferous and or Oligocene faults within the basement.…”

Section: Rhine Graben Rg_1 Rg_2 and Rg_3 Small Scale Zonesmentioning

confidence: 99%

Seismic source zone characterization for the seismic hazard assessment project PEGASOS by the Expert Group 2 (EG1b)

Burkhard

Grünthal

2009

Swiss J. Geosci.

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A comprehensive study of the seismic hazard related to the four NNP sites in NW switzerland was performed within the project PEGAsOs. to account for the epistemic uncertainties involved in the process of the characterization of seismic source zones in the frame of probabilistic seismic hazard assessments, four different expert teams have developed and defended their models in the frame of an intensive elicitation process.Here, the results of one out of four expert groups are presented. the model of this team is based first of all on considerations regarding the large scale tectonics in the context of the Alpine collision, and neotectonic constraints for defining seismic source zones. this leads to a large scale subdivision based on the structural 'architectural' considerations with little input from the present seismicity. Each of the eight large zones was characterized by the style of present-day faulting, fault orientation, and hypocentral depth distribution. A further subdivision of the larger zones is performed based on information provided by the seismicity patterns. 58 small source zones have been defined in this way, each of them characterized by the available tectonic constrains, as well as the pros and cons of different existing geologic views connected to them. Of special concern in this respect were the discussion regarding thin skinned vs. thick skinned tectonics, the tectonic origin of the 1356 basel earthquake, the role of the Permo-carboniferous graben structures, and finally the seismogenic orientation of faults with respect to the recent crustal stress field. the uncertainties connected to the delimitations of the small source zones have been handled in form of their regrouping, formalized by the logic tree technique.the maximum magnitudes were estimated as discretized probability distribution functions. After declustering the used EcOs earthquake catalogue and an analysis of data completeness as a function of time the parameters of the frequency-magnitude relations were derived within their uncertainties. Introductionthe sites of the four nuclear power plants (NPP) in NW switzerland have been subject to a comprehensive analysis of seismic hazard evaluated in the frame of the PEGAsOs project (Abrahamson et al. 2004; coppersmith et al., this volume). the definition of seismic source zones (ssZ) and the derivation of the parameters characterizing the seismic activity in each ssZ are integral parts of any probabilistic seismic hazard assessment. Here we present the results of one of the four expert groups (EG1b) responsible for the delineation of ssZ and determining the seismic activity parameters in the source zones.the study area was set up as the envelope of the radii of 300 km around all sites studied. this guarantees that the study area encompasses all seismic sources which have a seismic influence on the target sites. It extends well beyond the territory of switzerland, covering the southwestern parts of Germany, the western parts of Austria, the adjacent parts of northern Italy and n...

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Pleistocene northwards fold propagation of the Jura within the southern Upper Rhine Graben: seismotectonic implications

Cited by 55 publications

References 25 publications

Feedback between erosion and active deformation: geomorphic constraints from the frontal Jura fold-and-thrust belt (eastern France)

Feedback between erosion and active deformation: geomorphic constraints from the frontal Jura fold-and-thrust belt (eastern France)

Erosion-driven uplift of the modern Central Alps

Seismic source zone characterization for the seismic hazard assessment project PEGASOS by the Expert Group 2 (EG1b)

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