A geologic reconnaissance of the Cycladic blueschist belt, Greece

GSA Bulletin
By: , and 

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Abstract

The Cycladic blueschist belt consists of two distinctive segments separated by a broad zone of superposed granitic and high-temperature metamorphic rocks. The northern segment contains early metamorphic fold axes and parallel glaucophane lineations that trend ∼060° with a progressive increase in metamorphism toward the southeast. The southern segment contains similar fold axes and glaucophane lineations that trend ∼010° with an apparent increase in metamorphism toward the northwest. Radiometric dating of metamorphic minerals from both segments give apparent ages of about 40 to 80 m.y.

These data suggest the existence of late Mesozoic or early Cenozoic subduction zones in the Aegean region that subsequently collided.

Additional publication details

Publication type Article
Publication Subtype Journal Article
Title A geologic reconnaissance of the Cycladic blueschist belt, Greece
Series title GSA Bulletin
DOI 10.1130/0016-7606(1981)92<247:AGROTC>2.0.CO;2
Volume 92
Issue 5
Year Published 1981
Language English
Publisher Geological Society of America
Contributing office(s) Geology, Minerals, Energy, and Geophysics Science Center
Description 8 p.
First page 247
Last page 254
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