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Neotectonic Deformation Model of the Northern Algeria from Paleomagnetic Data: Preliminary Results from Northwestern Areas

  • Mohamed El-Messaoud DerderEmail author
  • Saïd Maouche
  • Philippe Robion
  • Bernard Henry
  • Mohamed Amenna
  • Boualem Bayou
  • Yves Missenard
  • Rafik Bestandji
  • Salamet Mahboubi
Chapter
Part of the Advances in Science, Technology & Innovation book series (ASTI)

Abstract

Previous paleomagnetic studies, performed in central North-Algeria (Chelif and Mitidja basins) on Neogene formations, pointed out some tectonic clockwise rotations of large blocks, sometimes of large amplitudes. Narrow zones represent also important shear zones with strong rotations. The preliminary results of a new paleomagnetic study undertaken in Northwestern Algeria (Aïn Temouchent–Ghazaouet area) suggest the presence of clockwise block-rotations of lower magnitude. That confirms that the northern Algeria is organized as tectonic blocks, accommodating by transpression and blocks rotations, the Africa-Eurasia convergence. A gradient of “deformation” appears from the NNE to the SSW, i.e. from the Mitidja basin affected by strong rotations to Aïn Temouchent–Ghazaouet area where the rotations are limited.

Keywords

Northwestern Algeria Paleomagnetism Neotectonics Block rotation Transpression 

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Mohamed El-Messaoud Derder
    • 1
    Email author
  • Saïd Maouche
    • 1
  • Philippe Robion
    • 2
  • Bernard Henry
    • 3
  • Mohamed Amenna
    • 1
  • Boualem Bayou
    • 1
  • Yves Missenard
    • 4
  • Rafik Bestandji
    • 1
  • Salamet Mahboubi
    • 1
  1. 1.CRAAGBouzaréah, AlgerAlgeria
  2. 2.Geosciences Environnement CergyCergy-Pontoise CedexFrance
  3. 3.Paléomagnétisme, IPGP and CNRSSaint-Maur CedexFrance
  4. 4.GEOPS, Université Paris-Sud, CNRS, Université Paris-SaclayOrsayFrance

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