These two plate boundaries give rise to two contrasting tectonic styles, contractional in the southern Aegean, continuing around to the Ionian islands.
2.
The differences in late Archean tectonic styles between NMZ and SMZ + KC is a possible consequence of the differences in Th and U content of these provinces.
3.
The tectonic style of the Sierra de Gredos is the so-called Germanic style, i . e . with large upraised fault blocks, known as horst, bounded by graben.
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