dc.contributor.author
Erbil, Ümitcan
dc.contributor.author
Okay, Aral I.
dc.contributor.author
Hakyemez, Aynur
dc.date.accessioned
2021-08-02T12:06:05Z
dc.date.available
2021-08-02T12:06:05Z
dc.identifier.uri
https://refubium.fu-berlin.de/handle/fub188/30765
dc.identifier.uri
http://dx.doi.org/10.17169/refubium-30504
dc.description.abstract
Late Cenozoic was a period of large-scale extension in the Aegean. The extension is mainly recorded in the metamorphic core complexes with little data from the sedimentary sequences. The exception is the Thrace Basin in the northern Aegean, which has a continuous record of Middle Eocene to Oligocene marine sedimentation. In the Thrace Basin, the Late Oligocene–Early Miocene was characterized by north-northwest (N25°W) shortening leading to the termination of sedimentation and formation of large-scale folds. We studied the stratigraphy and structure of one of these folds, the Korudağ anticline. The Korudağ anticline has formed in the uppermost Eocene–Lower Oligocene siliciclastic turbidites with Early Oligocene (31.6 Ma zircon U–Pb age) acidic tuff beds. The turbidites are underlain by a thin sequence of Upper Eocene pelagic limestone. The Korudağ anticline is an east-northeast (N65°E) trending fault-propagation fold, 9 km wide and 22 km long and with a subhorizontal fold axis. It is asymmetric with shallowly-dipping northern and steeply-dipping southern limbs. Its geometry indicates about 1 km of shortening in a N25°W direction. The folded strata are unconformably overlain by Middle Miocene continental sandstones, which constrain the age of folding. The Korudağ anticline and other large folds in the Thrace Basin predate the inception of the North Anatolian Fault (NAF) by at least 12 myr. The Late Oligocene–Early Miocene (28–17 Ma) shortening in the Thrace Basin and elsewhere in the Balkans forms an interlude between two extensional periods, and is probably linked to changes in the subduction dynamics along the Hellenic trench.
en
dc.format.extent
16 Seiten
dc.rights.uri
https://creativecommons.org/licenses/by/4.0/
dc.subject
Thrace Basin
en
dc.subject.ddc
500 Naturwissenschaften und Mathematik::550 Geowissenschaften, Geologie::551 Geologie, Hydrologie, Meteorologie
dc.title
Late Oligocene–Early Miocene shortening in the Thrace Basin, northern Aegean
dc.type
Wissenschaftlicher Artikel
dcterms.bibliographicCitation.doi
10.1007/s00531-021-02047-3
dcterms.bibliographicCitation.journaltitle
International Journal of Earth Sciences
dcterms.bibliographicCitation.number
6
dcterms.bibliographicCitation.pagestart
1921
dcterms.bibliographicCitation.pageend
1936
dcterms.bibliographicCitation.volume
110
dcterms.bibliographicCitation.url
https://doi.org/10.1007/s00531-021-02047-3
refubium.affiliation
Geowissenschaften
refubium.affiliation.other
Institut für Geologische Wissenschaften
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refubium.funding
Springer Nature DEAL
refubium.note.author
Die Publikation wurde aus Open Access Publikationsgeldern der Freien Universität Berlin gefördert.
refubium.resourceType.isindependentpub
no
dcterms.accessRights.openaire
open access
dcterms.isPartOf.issn
1437-3254
dcterms.isPartOf.eissn
1437-3262