1989
DOI: 10.1111/j.1365-246x.1989.tb02284.x
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A fine structural section through the crust and lower lithosphere along the axial region of the Alps

Abstract: SUMMARY A unified two‐dimensional lithospheric model has been derived for the P‐wave velocity structure beneath the Alpine Longitudinal Profile (ALP'75) main line by making new phase correlations and using ray‐tracing and ray‐theoretical seismogram calculations in laterally inhomogeneous media. Due essentially to an increase in thickness of the lower crust, the total crustal thickness increases from 30–40 km in the peripheral regions to about 50 km in the central region of the Alps. The thickness change is mor… Show more

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Cited by 40 publications
(30 citation statements)
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“…The rectangle delimits the area shown in Figure 1 and the straight lines correspond to the ray-trace profiles analysed in this study (see Fig.3 for the diagram of the N-37°profile). Waldhauser et al (1998) and on P-wave velocities obtained from various crustal refraction studies (Yan & Mechie 1989;Maurer & Ansorge 1992) and earthquake studies (Deichmann & Rybach 1989;Pfister 1990;Maurer 1993). The ray-trace algorithm used was modified from Gebrande (1976).…”
Section: Discussionmentioning
confidence: 99%
“…The rectangle delimits the area shown in Figure 1 and the straight lines correspond to the ray-trace profiles analysed in this study (see Fig.3 for the diagram of the N-37°profile). Waldhauser et al (1998) and on P-wave velocities obtained from various crustal refraction studies (Yan & Mechie 1989;Maurer & Ansorge 1992) and earthquake studies (Deichmann & Rybach 1989;Pfister 1990;Maurer 1993). The ray-trace algorithm used was modified from Gebrande (1976).…”
Section: Discussionmentioning
confidence: 99%
“…The model is based on the refraction profile ALP75 that runs along the crest of the entire Alpine arc. We extract layer thickness and V p velocities of the 2D ALP75 model (YAN and MECHIE 1989), where the profile is close to station A313. The model features an intracrustal interface (velocity increase) at 16 km depth, a crustal thickness of 30 km, and an interface in the upper mantle at 70 km depth.…”
Section: Synthetic Testmentioning
confidence: 99%
“…The presence of reverberated phases within the sedimentary basin and hence destructive interference may inhibit the detection of this feature. YAN and MECHIE (1989) show an equivalent intracrustal interface at similar depths, and MOLINARI et al (2012) model a layered crust, where the discontinuity between the upper and lower crust is a smooth surface located between 18 and 24 km depth. BRÜ CKL et al (2007) detect a reflector at about 20 km depth, which they interpret as a thin zone of magmatic intrusion below the Bohemian massif and Molasse zone.…”
Section: Intracrustal and Upper Mantle Interfacesmentioning
confidence: 99%
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“…The Alpine longitudinal profile (ALP'75) extended along the axis of the Western and Eastern Alps to the Pannonian basin (e.g., Yan and Mechie, 1989;Scarascia and Cassinis, 1997). WAR/R as well as steep angle reflection profiles were also measured in the Bohemian Massif, the Pannonian Basin, and the Dinarides (e.g., Beránek and Zátopek, 1981;Posgay et al, 1981;Joksović and Andrić, 1983).…”
Section: Seismic Profiles Through the Crustmentioning
confidence: 99%