Geoscience Reference
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4.1 Tectonics
The Syria platform is constituted from several structural units, which have been formed at
different periods since the Permo-Trias. The map of figure (7), shows these principles units:
The Palmyrides in the center; the graben of Euphrates and the Djebel Abdelaziz in the East;
the Afrin region and the Aleppo plateau in the North-West; and the Coastal chain at the
west of the Levant fault ( Al Abdalla 2008).
The West of Syria is occupied by an important structure, locally named the Syrian rift, and
worldly known the Levant fault, corresponding to the northern part of the Dead Sea fault
zone (DSFZ), which forms the boundary between the African and Arabian plates. The
tectonic activity along its northern part, the Yammouneh fault and northward continuation
is still a subject of controversy. Between those who maintained that this segment is poorly
active(Girdler 1990,Butler et al1997,1998,Butler and Spencer 1999),and others who
concluded ,from the earthquakes study ,that this segment would then be active until it
Fig. 7. Principles structural units of Syria, northwest of the Arabian plate (Al Abdalla 2008)
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