Low‐angle faults above and below a blueschist belt—Tinos Island, Cyclades, Greece

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Abstract
New observations from the Island of Tinos, Greece, allow a better definition of the structural position of the Alpine (Eocene) blueschist belt exposed in the islands of the Aegean Sea. These blueschists, over a significant part of the Aegean sea, are delimited from below by a low‐angle thrust fault, while from above they are delimited by a low‐angle, normal‐type fault which omits a substantial crustal interval. Both underlying and overlying rocks were not affected by the high? metamorphism. The rapid uplift and exhumation of the high? rocks was therefore mainly the result of fault movements rather than erosion and whole‐crust uplifting. The low‐angle normal fault apparently had a major role in the uplift of the blueschists.