From mountain summits to roots: Crustal structure of the Eastern Alps and Bohemian Massif along longitude 13.3°E

Hetényi, György; Plomerová, Jaroslava; Bianchi, Irene; Exnerová, Hana Kampfová; Bokelmann, Götz; Handy, Mark R.; Babuška, Vladislav

doi:10.1016/j.tecto.2018.07.001

Cited by 63 publications

(127 citation statements)

References 77 publications

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“…More recent results suggest rather that the Moho structure is ambiguous in this area (e.g., Spada et al, 2013). Hetényi et al (2018) confirm the ambiguity of Moho structure in this area but find indications of deeper Adriatic Moho. Figure S1.…”

Section: Moho Offsetsupporting

confidence: 63%

Supplementary material to "Slab Break-offs in the Alpine Subduction Zone"

Kästle¹,

Rosenberg²,

Boschi³

et al. 2019

Preprint

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Section: Moho Offsetsupporting

confidence: 63%

Supplementary material to "Slab Break-offs in the Alpine Subduction Zone"

Kästle¹,

Rosenberg²,

Boschi³

et al. 2019

Preprint

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“…Additionally, the Moho structure itself suffers from uncertainty in the eastern Alps and gives no clear hint on which plate is on top (e.g., Lüschen et al, 2004;Spada et al, 2013). The most recent work along the EASI dense-station profile (along 13 • longitude) suggest that the Adriatic Moho goes below Europe, although the uncertainty is shown to be high (Hetényi et al, 2018b). Thus we do not find a reliable link between either European or Adriatic Moho and the slab anomalies below (Fig.…”

Section: Central Alpscontrasting

confidence: 55%

Slab Break-offs in the Alpine Subduction Zone

Kästle¹,

Rosenberg

Boschi

et al. 2019

Preprint

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Abstract. After the onset of plate collision in the Alps, tectonic processes are inferred to have changed dramatically in the Alps: European plate break-offs in various places of the Alpine arc, as well as a subduction polarity reversal in the eastern Alps have been proposed. We review body-wave tomographic studies, compare them to our surface-wave-derived model, and interpret them in terms of slab geometries. We infer that the shallow subducting portion of the European plate is likely detached under both the western and eastern (but not the central) Alps. The Alps-Dinarides transition may be explained by a combination of European and Adriatic subduction. This implies that the deep high-velocity anomaly (> 200 km depth) mapped by tomographers under the eastern Alps is a detached segment of the European plate. The shallower fast anomaly (100–200 km depth) can be ascribed to European or Adriatic subduction, or both. These findings are compared to previously proposed models for the eastern Alps in terms of slab geometry, but also integrated in a a new, alternative geodynamic scenario that best fits both tomographic images and geological constraints.

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“…Additionally, the Moho structure itself suffers from uncertainty in the eastern Alps and gives no clear hint on which plate is on top (e.g., Lüschen et al, 2004;Spada et al, 2013). The most recent 30 work along the EASI dense-station profile (along 13 • longitude) suggest that the Adriatic Moho goes below Europe, although the uncertainty is shown to be high (Hetényi et al, 2018b). Thus we do not find a reliable link between either European or Adriatic Moho and the slab anomalies below (Fig.…”

Section: Eastern Alpsmentioning

confidence: 53%

Slab Break-offs in the Alpine Subduction Zone

Kästle¹,

Rosenberg

Boschi

et al. 2019

Preprint

View full text Add to dashboard Cite

After the onset of plate collision in the Alps, at 32-34 Ma, the deep structure of the orogen is inferred to have changed dramatically: European plate break-offs in various places of the Alpine arc, as well as a possible reversal of subduction polarity in the eastern Alps have been proposed. We review body-wave tomographic studies, compare them to our surface-wave-derived model for the uppermost 200 km, and reinterpret them in terms of slab geometries. We infer that the shallow subducting portion of the European plate is likely detached under both the western and eastern (but not the central) Alps. The Alps-Dinarides 5 transition may be explained by a combination of European and Adriatic subduction. This would imply that the deep, highvelocity anomaly (>200 km depth) mapped by tomographers under the eastern Alps is a detached segment of the European plate. The shallower fast anomaly (100-200 km depth) can be ascribed to European or Adriatic subduction, or both. These findings are compared to previously proposed models for the eastern Alps in terms of slab geometry, but also integrated in a new, alternative geodynamic scenario that best fits both tomographic images and geological constraints.

show abstract

From mountain summits to roots: Crustal structure of the Eastern Alps and Bohemian Massif along longitude 13.3°E

Cited by 63 publications

References 77 publications

Supplementary material to "Slab Break-offs in the Alpine Subduction Zone"

Supplementary material to "Slab Break-offs in the Alpine Subduction Zone"

Slab Break-offs in the Alpine Subduction Zone

Slab Break-offs in the Alpine Subduction Zone

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From mountain summits to roots: Crustal structure of the Eastern Alps and Bohemian Massif along longitude 13.3°E

Cited by 63 publications

References 77 publications

Supplementary material to &quot;Slab Break-offs in the Alpine Subduction Zone&quot;

Supplementary material to &quot;Slab Break-offs in the Alpine Subduction Zone&quot;

Slab Break-offs in the Alpine Subduction Zone

Slab Break-offs in the Alpine Subduction Zone

Contact Info

Product

Resources

About

Supplementary material to "Slab Break-offs in the Alpine Subduction Zone"

Supplementary material to "Slab Break-offs in the Alpine Subduction Zone"