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Permian soft-sediment deformation structures related to earthquake in the Southern Sydney Basin, Eastern Australia

Du, Yuansheng, Shi, Guang Rong, Gong, Yiming and Xu, Ya-jun 2007, Permian soft-sediment deformation structures related to earthquake in the Southern Sydney Basin, Eastern Australia, Acta Geologica Sinica - Chinese Edition, vol. 81, no. 4, pp. 511-518.

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Title Permian soft-sediment deformation structures related to earthquake in the Southern Sydney Basin, Eastern Australia
Author(s) Du, Yuansheng
Shi, Guang RongORCID iD for Shi, Guang Rong orcid.org/0000-0002-5126-4036
Gong, Yiming
Xu, Ya-jun
Journal name Acta Geologica Sinica - Chinese Edition
Volume number 81
Issue number 4
Start page 511
End page 518
Publisher Ke xue chu ban she
Place of publication Beijing, China
Publication date 2007
ISSN 0001-5717
Keyword(s) seismites
soft sedimentary deformation
Permian
basins in Sydney
Australia
Summary Sydney Basin is located in the eastern part of Australia, Lachlan Fold Belt, and between the New England Fold Belt. From the Sydney basin at the end of the Late Carboniferous to Middle Triassic experienced back-arc spreading to the foreland basin at different stages: back-arc spreading stage (Carboniferous ), A passive thermal subsidence stage (early in the Permian Berry) and load deflection extruding stage (in Broughton Permian - Triassic). This time at the Sydney basin on the eastern side of the New England Fold Belt for the island Background of the arc. As a result, back-arc in the Permian Basin of the South Sydney basin by the back-arc spreading the eastern side of the arc and trench subduction before the impact of strong seismic activity, the development of a series of earthquake-related seismites to form various types and Seismic activity related to the deformation of soft sediment structure. Permian Basin, South Sydney's soft sediment deformation including cracks in shock-fold, liquefied vein, volcanic sand, load structure, flame Construction, pillow-like structure, spherical structure, pillow Layer structure slump, and so breccia. To which the cracks in shock-fold fibrillation is a direct result of earthquake faults and folds; pillow is a layer of sand caused by the earthquake fibrillation dehydration, the formation of the sinking; liquefied vein, Volcanic sand for the liquefaction of sand penetration of the formation of earthquake fissures formed; load structure, flame Construction, pillow-like structure, spherical structure is affected by the earthquake fibrillation in the sand, mudstone interface because of the sinking sand, mud layer formed through ; Slump structures and breccia of the earthquake was caused by the gravitational collapse or the formation of the debris flow. Fissures, earthquake-fold, liquefied vein, volcanic sand, load structure, flame Construction, pillow-like structure, spherical structure, pillow-like layer Equivalent to the original earthquake rocks the plot, and the slump structures and breccia of the plot belong to different earthquake rocks.
Notes Chinese journal title 'Di zhi xue bao'
Language eng
Field of Research 040308 Palaeontology (incl Palynology)
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2007, Ke xue chu ban she
Persistent URL http://hdl.handle.net/10536/DRO/DU:30007355

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