Istituto di Geoscienze e Georisorse     
Balestrieri M., Moratti G., Bigazzi G., Algouti A. Neogene exhumation of the Marrakech High Atlas (Morocco) recorded by apatite fission-track analysis. In: Terra Nova, vol. 21 (2) pp. 75 - 82. Wiley, 2009.
Apatite fission-track (AFT) data have been obtained along a traverse across the Marrakech High Atlas to constrain its tectono-thermal evolution. AFT ages vary between 212 15 Ma and 20 4 Ma. An Early Miocene AFT age accompanied by long mean track length from the central part of the chain has been interpreted as the timing of the main inversion of this region with the creation of relief because of the shortening induced by the interplay between the African and Eurasian plates. Thermal modelling of samples collected south of the South Atlas Fault Zone indicates a Middle-Late Miocene or even later cooling that has been attributed to the component of the uplift of the chain related to the thermal anomaly present beneath the Atlas Mountains.
URL: http://onlinelibrary.wiley.com/journal/10.1111/(ISSN)1365-3121
Subject Italy
Hyblean area
ultramafic xenoliths
rock components

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