Advertisement

Geological Evolution of the Tefedest Terrane a Recorder of a Polycyclic Pan-African Amalgamation (Central Hoggar, Algeria): Evidence from Airborne Geophysics, Remote Sensing and Field Study

  • Massinissa AmaraEmail author
  • Abderahmane Bendaoud
  • Toshiake Tsunogae
  • Mohamed Amrouche
  • Zakaria Hamimi
  • Gregory Dufrechou
  • Mark Jessell
  • Basem Zoheir
  • Mohamed Hamoudi
  • Safouane Djemai
Chapter
Part of the Advances in Science, Technology & Innovation book series (ASTI)

Abstract

Tuareg shield lies to the Pan-African domain that has recorded a complex orogenic evolution during the upper Neoproterozoic. It is bordered to the west by the West African craton (WAC) stable since 2 Ga and to the east by the East Saharan Metacraton. Referring to Previous works this shield recorded two main punching phases; an early collisional phase within the west with the WAC through mega N–S shear zone and last one to the East with the eastern Saharan metacraton. The main purpose of this work was to bring new geological and interpreted geophysical data by using remote sensing, airborne geophysics and fieldwork to produce an updated geological map. Moreover, it extracted tectonic features that encompass the kinematics evolution of N–S shear zones border of the Tefedest terrane that is part of central Hoggar. The integration of remote sensing data processing as well as airborne geophysics (Magnetic and Gamma ray spectrometry) data led to develop a 1/200,000 scale geological map. The extracted tectonic features (foliation, lineaments and main shear) through various processing techniques led to set chronological deformation steps as E–W foliation was relics of oldest deformation phases and D2 is N–S tight fold phase, while D3 was merely a brittle wrench feature. The Tefedest evolution was transpressive and slides through the main shear border led their squeezing toward north during Pan-African orogeny.

Keywords

Hoggar Tectonic Geological map Remote sensing Airborne geophysics 

References

  1. 1.
    Liégeois, J.P., Latouche, L., Boughrara, M., Navez, J., Guiraud, M.: The LATEA metacraton (Central Hoggar, Tuareg shield, Algeria): behaviour of an old passive margin during the Pan-African orogeny. J. Afr. Earth Sci. 37, 161–190 (2003)CrossRefGoogle Scholar
  2. 2.
    Vitel, G.: La region Tefedest Atakor du Hoggar central (Sahara). Evolution d’un complexe granulitique précambrien. Unpublished Thesis, University of Paris, France, 324 pp (1979)Google Scholar
  3. 3.
    Boullier, A.M., Bertrand, J.M.: Tectonique tangentielle profonde et couloirs mylonitiques dans le Hoggar central polycyclique (Algérie). Bull. Soc. Géol. Fr. 23, 17–22 (1981)CrossRefGoogle Scholar
  4. 4.
    Chander, G., Markham, B.L., Helder, D.L.: Summary of current radiometric calibration coefficients for Landsat MSS, TM, ETM and EO-1 ALI sensors. Remote Sens. Environ. 113, 893–903 (2009)CrossRefGoogle Scholar
  5. 5.
    Azzouni-Sekkal, A., Liégois, J.P., Bechiri-Benmerzoug, F., Belaïdi-Zinet, S., Bonin, B.: The “Taourirt” magmatic province, a marker of the closing stages of the Pan-African orogeny in the Tuareg shield: review of the available data and Sr–Nd isotope evidence. J. Afr. Earth Sci. 37, 337–350 (2003)CrossRefGoogle Scholar
  6. 6.
    Boubekri, H., Hamoudi, M., Bendaoud, A., Priezzhev, I., Allek, K.: 3D structural cartography based on magnetic and gravity data inversion—case of South-West Algeria. J. Afr. Earth Sci 112, 471–484 (2015)CrossRefGoogle Scholar
  7. 7.
    Schnetzler, C.C., Taylor, P.T., Langel, R.A., Hinze, W.J., Phillips, J.D.: Comparison between the recent U.S. composite magnetic anomaly map and Magsat anomaly data. J. Geophys. Res. 90, 2543–2548 (1985)CrossRefGoogle Scholar
  8. 8.
    Abrams, M.J., Rothery, D.A., Pontual, A.: Mapping in Oman ophiolite using enhanced Landsat Thematic Mapper images. Tectonophysiscs 151, 387–401 (1988)CrossRefGoogle Scholar
  9. 9.
    Black, R., Latouche, L., Liégeois, J. P., Caby, R., Bertrand, J. M.: Pan-African displaced terranes in the Tuareg shield (central Sahara). Geology 22(7):641 (1994)CrossRefGoogle Scholar

Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Massinissa Amara
    • 1
    Email author
  • Abderahmane Bendaoud
    • 1
  • Toshiake Tsunogae
    • 2
  • Mohamed Amrouche
    • 3
  • Zakaria Hamimi
    • 4
  • Gregory Dufrechou
    • 5
  • Mark Jessell
    • 6
  • Basem Zoheir
    • 4
  • Mohamed Hamoudi
    • 1
  • Safouane Djemai
    • 1
  1. 1.University of Science and Technology Houari BoumedieneAlgiersAlgeria
  2. 2.Faculty of Life and Environmental Sciences (Earth Evolution Sciences)University of TsukubaIbarakiJapan
  3. 3.Schlumberger K.K CenterChuo SagamiharaJapan
  4. 4.Benha UniversityBenhaEgypt
  5. 5.Géosciences Environnement ToulouseToulouseFrance
  6. 6.Center of Exploration TargetingPerthAustralia

Personalised recommendations