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| Titel |
Thermal and exhumation history of the southwestern Anti-Atlas, Morocco |
| VerfasserIn |
Manuel Sehrt, Ulrich A. Glasmacher, Daniel Stockli, Oliver Kluth, Jürgen Schober, Hadou Jabour, Salim Lahsini |
| Konferenz |
EGU General Assembly 2011
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| Medientyp |
Artikel
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| Sprache |
Englisch
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| Digitales Dokument |
PDF |
| Erschienen |
In: GRA - Volume 13 (2011) |
| Datensatznummer |
250046167
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| Zusammenfassung |
| The NE-SW oriented Anti-Atlas of Morocco is located at the northwestern fringe of the West African Craton and south of the High Atlas. The Anti-Atlas represents the Phanerozoic foreland of the Late Paleozoic North African Variscides and the Cenozoic Atlas Belt. The presence of high surface elevations in the Anti-Atlas (2700 m) indicates a potential source area for the surrounding basins. Currently, phases of uplift and exhumation in the Anti-Atlas and places where the associated erosion products are deposited are poorly constrained and there is little quantitative data available at present. However, available apatite fission-track ages of 120-170 Ma and apatite (U-Th-Sm)/He ages between 115-165 Ma document a widespread unroofing during the Middle-Late Jurassic to early Late Cretaceous (Ghorbal et al., 2009). The objective of the study is to determine the thermal and exhumation history of the Anti-Atlas. For the determination four thermochronological analyses (fission-track, (U-Th-Sm)/He on apatite and zircon each) and furthermore 2-D Modelling with HeFTy software were performed at Precambrian rocks of the southwestern Anti-Atlas.
References:
Ghorbal, L., Bertotti, G., Andriessen, P.A.M., 2009. Post-rift unroofing of the NW Africa passive continental margin during the Central Atlantic opening. EGU General Assembly 2009 |
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