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Geomorphological, depositional and foraminiferal indicators of late Quaternary tectonic uplift in Iskenderun Bay, Turkey

Valentina Yanko-Hombach, Hayrettin Koral, Niyazi Avsar, Irena Motnenko and Mary McGann
Geomorphological, depositional and foraminiferal indicators of late Quaternary tectonic uplift in Iskenderun Bay, Turkey (in Postcollisional tectonics and magmatism in the Mediterranean region and Asia, Yildirim Dilek (editor) and Spyros Pavlides (editor))
Special Paper - Geological Society of America (2006) 409: 591-614

Abstract

Iskenderun Bay is a major shallow embayment in the eastern part of the Mediterranean Sea, where the African and Anatolian Plates converge. This tectonically active basin was investigated for oceanographic, sedimentological, geochemical, and foraminiferal parameters. On the basis of the data acquired, the distribution of living and fossil foraminifera in 284 grab and 54 gravity core samples was determined, the basin floor bathymetry of the bay constructed, radiocarbon ages of sediments and fossils ascertained, and depositional environments reconstructed. It has been discovered that for the last 13.5 k.y., water masses were stratified and sedimentation was discontinuous within the basin, which is characterized by irregular sea bottom morphology. The sedimentation rate was very slow, varying in time and space from 0 to 0.012 cm yr (super -1) . The foraminiferal distributions were spatially varied and discontinuous and indicate a reversal from deep to shallow marine conditions in the cores. These irregularities were attributed to active tectonics in the bay and a major tectonic uplift of the bay since the late Pleistocene.


ISSN: 0072-1077
EISSN: 2331-219X
Coden: GSAPAZ
Serial Title: Special Paper - Geological Society of America
Serial Volume: 409
Title: Geomorphological, depositional and foraminiferal indicators of late Quaternary tectonic uplift in Iskenderun Bay, Turkey
Title: Postcollisional tectonics and magmatism in the Mediterranean region and Asia
Author(s): Yanko-Hombach, ValentinaKoral, HayrettinAvsar, NiyaziMotnenko, IrenaMcGann, Mary
Author(s): Dilek, Yildirimeditor
Author(s): Pavlides, Spyroseditor
Affiliation: Avalon Institute of Applied Science, Charleswood Technology Center, Winnipeg, MB, Canada
Affiliation: Miami University, Department of Geology, Oxford, OH, United States
Pages: 591-614
Published: 2006
Text Language: English
Publisher: Geological Society of America (GSA), Boulder, CO, United States
ISBN: 978-0-8137-2409-6
References: 87
Accession Number: 2007-022844
Categories: Quaternary geology
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: illus. incl. sects., 3 tables, geol. sketch map
N36°19'60" - N36°55'00", E35°40'00" - E36°15'00"
Secondary Affiliation: Aristotle University of Thessaloniki, GRC, GreeceIstanbul University, TUR, TurkeyCukurova University, TUR, TurkeyU. S. Geological Survey, USA, United States
Country of Publication: United States
Secondary Affiliation: GeoRef, Copyright 2017, American Geosciences Institute.
Update Code: 200713
Program Name: USGSOPNon-USGS publications with USGS authors
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