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Data Publisher for Earth & Environmental Science

Al-Halbouni, Djamil; Bahr, Karsten (2011): Geophysical investigations in the European Alps [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.770504, Supplement to: Al-Halbouni, D; Bahr, K (2011): The European Alps as an interrupter of the earth's conductivity structures. PDI-598 and PDI-599, https://doi.org/10.5194/sed-5-1031-2013

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Abstract:
Joint interpretation of magnetotelluric and geomagnetic depth sounding data in the western European Alps offer new insights into the conductivity structure of the Earth's crust and mantle. This first large scale electromagnetic study in the Alps covers a cross-section from Germany to northern Italy and shows the importance of the alpine mountain chain as an interrupter of continuous conductors.
Poor data quality due to the highly crystalline underground is overcome by Remote Reference and Robust Processing techniques. 3d-forward-modelling reveals on the one hand interrupted dipping crustal conductors with maximum conductance of 4960 S and on the other hand a lithosphere thickening up to 208 km beneath the central western Alps. Graphite networks arising from Paleozoic sedimentary deposits are considered to be accountable for the occurrence of high conductivity and the distribution pattern of crustal conductors. The influence of huge sedimentary molasse basins on the electromagnetic data is suggested to be minor compared with the influence of crustal conductors. In conclusion, electromagnetic results can be attributed to the geological, tectonic and palaeogeographical background. Dipping direction (S-SE) and maximum angle (10.1°) of the northern crustal conductor reveal the main thrusting conditions beneath the Helvetic Alps whereas the existence of a crustal conductor in the Briançonnais supports theses about its palaeographic belonging to the Iberian Peninsula.
Coverage:
Median Latitude: 46.432082 * Median Longitude: 8.245073 * South-bound Latitude: 45.366120 * West-bound Longitude: 8.026370 * North-bound Latitude: 48.348280 * East-bound Longitude: 8.527480
Date/Time Start: 2008-10-01T00:00:00 * Date/Time End: 2009-10-01T00:00:00
Event(s):
Borg * Latitude: 45.366120 * Longitude: 8.026370 * Date/Time Start: 2009-10-01T00:00:00 * Date/Time End: 2009-04-30T00:00:00 * Elevation: 287.0 m * Location: Western European Alps, Italy * Method/Device: Magnetotelluric (MT)
Cerv * Latitude: 45.878720 * Longitude: 8.160430 * Date/Time Start: 2008-10-01T00:00:00 * Date/Time End: 2009-04-30T00:00:00 * Elevation: 894.0 m * Location: Western European Alps, Italy * Method/Device: Magnetotelluric (MT)
Haen * Latitude: 47.603950 * Longitude: 8.041880 * Date/Time Start: 2008-10-01T00:00:00 * Date/Time End: 2009-04-30T00:00:00 * Elevation: 600.0 m * Location: Western European Alps, Germany * Method/Device: Magnetotelluric (MT)
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
13 datasets

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Datasets listed in this publication series

  1. Al-Halbouni, D; Bahr, K (2011): Geomagnetic depth sounding data from station Borg, Western European Alps, 2008-10-01 to 2009-04-30. https://doi.org/10.1594/PANGAEA.770464
  2. Al-Halbouni, D; Bahr, K (2011): Magnetotelluric data from station Borg, Western European Alps, 2008-10-01 to 2009-04-30. https://doi.org/10.1594/PANGAEA.770456
  3. Al-Halbouni, D; Bahr, K (2011): Geomagnetic depth sounding data from station Cerv, Western European Alps, 2008-10-01 to 2009-04-30. https://doi.org/10.1594/PANGAEA.770465
  4. Al-Halbouni, D; Bahr, K (2011): Magnetotelluric data from station Cerv, Western European Alps, 2008-10-01 to 2009-04-30. https://doi.org/10.1594/PANGAEA.770457
  5. Al-Halbouni, D; Bahr, K (2011): Geomagnetic depth sounding data from station Haen, Western European Alps, 2008-10-01 to 2009-04-30. https://doi.org/10.1594/PANGAEA.770466
  6. Al-Halbouni, D; Bahr, K (2011): Magnetotelluric data from station Haen, Western European Alps, 2008-10-01 to 2009-04-30. https://doi.org/10.1594/PANGAEA.770458
  7. Al-Halbouni, D; Bahr, K (2011): Geomagnetic depth sounding data from station Innt, Western European Alps, 2008-10-01 to 2009-04-30. https://doi.org/10.1594/PANGAEA.770467
  8. Al-Halbouni, D; Bahr, K (2011): Magnetotelluric data from station Innt, Western European Alps, 2008-10-01 to 2009-04-30. https://doi.org/10.1594/PANGAEA.770459
  9. Al-Halbouni, D; Bahr, K (2011): Geomagnetic depth sounding data from station Male, Western European Alps, 2008-10-01 to 2009-04-30. https://doi.org/10.1594/PANGAEA.770468
  10. Al-Halbouni, D; Bahr, K (2011): Magnetotelluric data from station Male, Western European Alps, 2008-10-01 to 2009-04-30. https://doi.org/10.1594/PANGAEA.770460
  11. Al-Halbouni, D; Bahr, K (2011): Geomagnetic depth sounding data from station Valg, Western European Alps, 2008-10-01 to 2009-04-30. https://doi.org/10.1594/PANGAEA.770469
  12. Al-Halbouni, D; Bahr, K (2011): Magnetotelluric data from station Valg, Western European Alps, 2008-10-01 to 2009-04-30. https://doi.org/10.1594/PANGAEA.770461
  13. Al-Halbouni, D; Bahr, K (2011): Magnetotelluric data from station Wolf, Western European Alps, 2008-10-01 to 2009-04-30. https://doi.org/10.1594/PANGAEA.770462