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Fission-track thermochronology of the middle Aegean Island Bridge - implications for neogene geomorphology and palaeogeography

Ewald Hejl, Johan De Grave UGent, Helmut Riedl, Herbert Weingartner and Peter Van den haute UGent (2008) ZEITSCHRIFT DER DEUTSCHEN GESELLSCHAFT FUR GEOWISSENSCHAFTEN. 159(3). p.495-512
abstract
43 samples from Aegean islands, Thessaly, Mt. Ossa and Pelion were investigated by apatite fission-track thermochronology. The measured cooling ages of the Cyclades and Ikaria have a distinct frequency maximum between 7 and 11 Ma (Tortonian, Late Miocene) which was a time of strong crustal extension in the south Aegean back-arc position. These ages also reflect a stage of primary peneplanation with fast denudation and intensive weathering under warm and humid conditions. The subsequent exhumation of the peneplain's weathering basal relief occurred under the drier climate of the Messinian. At least in the Cyclades and in the case of Ikaria, the development of peneplain staircase morphology could be partially caused by a step-wise sinking of the sea level in course of the Mediterranean evaporation process. However, the present-day vertical position of the peneplain torso is complicated by younger tectonical movements. The eroded material from the Middle Aegean Swell must have been trapped in proximal basins that were deep and mostly dry depressions during the Messinian. After the inundation through the Strait of Gibraltar, the Middle Aegean Swell became a large peninsula (Protokykladia) connected with Attica and Evia. It consisted of alluvial plains with active sedimentation and higher grounds inherited from the ancient peneplain.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
keyword
Cyclades, fission-track dating, Aegean Sea, REGION, CORINTH, EXTENSION, APATITE, CYCLADES, KINEMATICS, SEA, tectonics, geomorphology, palaeo-climate, CENTRAL GREECE, NORTH ANATOLIAN FAULT, ANNEALING KINETICS
journal title
ZEITSCHRIFT DER DEUTSCHEN GESELLSCHAFT FUR GEOWISSENSCHAFTEN
Z. Dtsch. Ges. Geowiss.
volume
159
issue
3
pages
495 - 512
Web of Science type
Article
Web of Science id
000259728900010
ISSN
1860-1804
DOI
10.1127/1860-1804/2008/0159-0495
language
English
UGent publication?
yes
classification
A1
id
746546
handle
http://hdl.handle.net/1854/LU-746546
date created
2009-09-09 09:05:04
date last changed
2010-01-11 09:35:22
@article{746546,
  abstract     = {43 samples from Aegean islands, Thessaly, Mt. Ossa and Pelion were investigated by apatite fission-track thermochronology. The measured cooling ages of the Cyclades and Ikaria have a distinct frequency maximum between 7 and 11 Ma (Tortonian, Late Miocene) which was a time of strong crustal extension in the south Aegean back-arc position. These ages also reflect a stage of primary peneplanation with fast denudation and intensive weathering under warm and humid conditions. The subsequent exhumation of the peneplain's weathering basal relief occurred under the drier climate of the Messinian.

At least in the Cyclades and in the case of Ikaria, the development of peneplain staircase morphology could be partially caused by a step-wise sinking of the sea level in course of the Mediterranean evaporation process. However, the present-day vertical position of the peneplain torso is complicated by younger tectonical movements. The eroded material from the Middle Aegean Swell must have been trapped in proximal basins that were deep and mostly dry depressions during the Messinian. After the inundation through the Strait of Gibraltar, the Middle Aegean Swell became a large peninsula (Protokykladia) connected with Attica and Evia. It consisted of alluvial plains with active sedimentation and higher grounds inherited from the ancient peneplain.},
  author       = {Hejl, Ewald and De Grave, Johan and Riedl, Helmut and Weingartner, Herbert and Van den haute, Peter},
  issn         = {1860-1804},
  journal      = {ZEITSCHRIFT DER DEUTSCHEN GESELLSCHAFT FUR GEOWISSENSCHAFTEN},
  keyword      = {Cyclades,fission-track dating,Aegean Sea,REGION,CORINTH,EXTENSION,APATITE,CYCLADES,KINEMATICS,SEA,tectonics,geomorphology,palaeo-climate,CENTRAL GREECE,NORTH ANATOLIAN FAULT,ANNEALING KINETICS},
  language     = {eng},
  number       = {3},
  pages        = {495--512},
  title        = {Fission-track thermochronology of the middle Aegean Island Bridge - implications for neogene geomorphology and palaeogeography},
  url          = {http://dx.doi.org/10.1127/1860-1804/2008/0159-0495},
  volume       = {159},
  year         = {2008},
}

Chicago
Hejl, Ewald, Johan De Grave, Helmut Riedl, Herbert Weingartner, and Peter Van den haute. 2008. “Fission-track Thermochronology of the Middle Aegean Island Bridge - Implications for Neogene Geomorphology and Palaeogeography.” Zeitschrift Der Deutschen Gesellschaft Fur Geowissenschaften 159 (3): 495–512.
APA
Hejl, E., De Grave, J., Riedl, H., Weingartner, H., & Van den haute, P. (2008). Fission-track thermochronology of the middle Aegean Island Bridge - implications for neogene geomorphology and palaeogeography. ZEITSCHRIFT DER DEUTSCHEN GESELLSCHAFT FUR GEOWISSENSCHAFTEN, 159(3), 495–512.
Vancouver
1.
Hejl E, De Grave J, Riedl H, Weingartner H, Van den haute P. Fission-track thermochronology of the middle Aegean Island Bridge - implications for neogene geomorphology and palaeogeography. ZEITSCHRIFT DER DEUTSCHEN GESELLSCHAFT FUR GEOWISSENSCHAFTEN. 2008;159(3):495–512.
MLA
Hejl, Ewald, Johan De Grave, Helmut Riedl, et al. “Fission-track Thermochronology of the Middle Aegean Island Bridge - Implications for Neogene Geomorphology and Palaeogeography.” ZEITSCHRIFT DER DEUTSCHEN GESELLSCHAFT FUR GEOWISSENSCHAFTEN 159.3 (2008): 495–512. Print.