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The Upper Jurassic–Lower Cretaceous alluvial-fan deposits of the Kalaza Formation (Central Asia): tectonic pulse or increased aridity?

Marc Jolivet, Sylvie Bourquin, Gloria Heilbronn, Cecile Robin, Laurie Barrier, Marie-Pierre Dabard, Yingying Jia, Elien De Pelsmaeker UGent and Bihong Fu (2016) Geological evolution of Central Asian basins and the Western Tien Shan range. In Geological Society Special Publication 427.
abstract
The topographical evolution of tectonic systems, as well as the sedimentation pattern and depositional environments in the associated basins, are controlled by both tectonics and climate. In the region of the Tien Shan (Central Asia), the Jurassic–Lower Cretaceous period was marked by complex, low-intensity tectonic deformation and major climate changes from humid to arid conditions (Jurassic) to semi-arid conditions (Cretaceous). Using the sediment record in the Junggar, Tarim and Fergana basins to describe the tectonic evolution of the Tien Shan area during the Mesozoic thus requires differentiation between the tectonic and climatic influences on sedimentation. The conglomerates of the Upper Jurassic–Lower Cretaceous Kalaza Formation were commonly associated with renewed tectonic activity resulting from the docking of the Lhasa block along the southern margin of Asia. From sedimentology and sequence stratigraphy analyses of several sections in the Junggar, Tarim and Fergana basins, we reassess the main factors controlling the deposition of this formation. We show that, while some tectonic activity persisted throughout the Jurassic–Cretaceous transition, the switch from the sandy deposits of the Upper Jurassic Qigu Formation to the coarse deposits of the Kalaza Formation is largely linked to the development of an arid climate.
Please use this url to cite or link to this publication:
author
organization
year
type
bookChapter
publication status
in press
subject
book title
Geological evolution of Central Asian basins and the Western Tien Shan range
series title
Geological Society Special Publication
volume
427
publisher
Geological Society Publishing House
place of publication
Bath, UK
ISSN
0305-8719
ISBN
9781862397385
DOI
10.1144/SP427.6
language
English
UGent publication?
yes
classification
B2
id
7053438
handle
http://hdl.handle.net/1854/LU-7053438
date created
2016-01-26 11:12:51
date last changed
2017-01-02 09:56:48
@incollection{7053438,
  abstract     = {The topographical evolution of tectonic systems, as well as the sedimentation pattern and depositional environments in the associated basins, are controlled by both tectonics and climate. In the region of the Tien Shan (Central Asia), the Jurassic--Lower Cretaceous period was marked by complex, low-intensity tectonic deformation and major climate changes from humid to arid conditions (Jurassic) to semi-arid conditions (Cretaceous). Using the sediment record in the Junggar, Tarim and Fergana basins to describe the tectonic evolution of the Tien Shan area during the Mesozoic thus requires differentiation between the tectonic and climatic influences on sedimentation. The conglomerates of the Upper Jurassic--Lower Cretaceous Kalaza Formation were commonly associated with renewed tectonic activity resulting from the docking of the Lhasa block along the southern margin of Asia. From sedimentology and sequence stratigraphy analyses of several sections in the Junggar, Tarim and Fergana basins, we reassess the main factors controlling the deposition of this formation. We show that, while some tectonic activity persisted throughout the Jurassic--Cretaceous transition, the switch from the sandy deposits of the Upper Jurassic Qigu Formation to the coarse deposits of the Kalaza Formation is largely linked to the development of an arid climate.},
  author       = {Jolivet, Marc and Bourquin, Sylvie and Heilbronn, Gloria and Robin, Cecile and Barrier, Laurie and Dabard, Marie-Pierre and Jia, Yingying and De Pelsmaeker, Elien and Fu, Bihong},
  booktitle    = {Geological evolution of Central Asian basins and the Western Tien Shan range},
  isbn         = {9781862397385},
  issn         = {0305-8719},
  language     = {eng},
  publisher    = {Geological Society Publishing House},
  series       = {Geological Society Special Publication},
  title        = {The Upper Jurassic--Lower Cretaceous alluvial-fan deposits of the Kalaza Formation (Central Asia): tectonic pulse or increased aridity?},
  url          = {http://dx.doi.org/10.1144/SP427.6},
  volume       = {427},
  year         = {2016},
}

Chicago
Jolivet, Marc, Sylvie Bourquin, Gloria Heilbronn, Cecile Robin, Laurie Barrier, Marie-Pierre Dabard, Yingying Jia, Elien De Pelsmaeker, and Bihong Fu. 2016. “The Upper Jurassic–Lower Cretaceous Alluvial-fan Deposits of the Kalaza Formation (Central Asia): Tectonic Pulse or Increased Aridity?” In Geological Evolution of Central Asian Basins and the Western Tien Shan Range. Vol. 427. Bath, UK: Geological Society Publishing House.
APA
Jolivet, M., Bourquin, S., Heilbronn, G., Robin, C., Barrier, L., Dabard, M.-P., Jia, Y., et al. (2016). The Upper Jurassic–Lower Cretaceous alluvial-fan deposits of the Kalaza Formation (Central Asia): tectonic pulse or increased aridity? Geological evolution of Central Asian basins and the Western Tien Shan range (Vol. 427). Bath, UK: Geological Society Publishing House.
Vancouver
1.
Jolivet M, Bourquin S, Heilbronn G, Robin C, Barrier L, Dabard M-P, et al. The Upper Jurassic–Lower Cretaceous alluvial-fan deposits of the Kalaza Formation (Central Asia): tectonic pulse or increased aridity? Geological evolution of Central Asian basins and the Western Tien Shan range. Bath, UK: Geological Society Publishing House; 2016.
MLA
Jolivet, Marc, Sylvie Bourquin, Gloria Heilbronn, et al. “The Upper Jurassic–Lower Cretaceous Alluvial-fan Deposits of the Kalaza Formation (Central Asia): Tectonic Pulse or Increased Aridity?” Geological Evolution of Central Asian Basins and the Western Tien Shan Range. Vol. 427. Bath, UK: Geological Society Publishing House, 2016. Print.