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Xiyu Formation

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(A) Growth strata (from upper part of Kangcun <b>Formation</b> to <b>Xiyu</b> <b>Formation</b>) ...
in > Geology
Published: 01 November 2009
Figure 4. (A) Growth strata (from upper part of Kangcun Formation to Xiyu Formation) from ca. 6.5 Ma to early Pleistocene exposed along southern limb of Kuchetawu anticline. (B) Deep and shallow structures of Kuchetawu anticline based on interpretation of seismic-reflection profiles; accumulation
Image
(A) Depositional ages of the <b>Xiyu</b> <b>Formation</b> in the western Tarim Basin, inc...
Published: 22 October 2018
Figure 12. (A) Depositional ages of the Xiyu Formation in the western Tarim Basin, including previous studies; magstrat—magnetostratigraphic, TCN—terrestrial cosmogenic nuclides. (B) Initiation ages of different structures within the western Tarim Basin, illustrating basinward propagation
Series: Geological Society, London, Special Publications
Published: 01 January 2010
DOI: 10.1144/SP342.6
EISBN: 9781862395909
... or reworking of the debris flow conglomerates. Some channelling occurs at the base of individual layers, and reverse grading is common. The Xiyu Conglomerate overlies the Artux Formation conformably in the studied section, but unconformably in other places ( Zhou & Chen 1990 ). As mentioned above...
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Journal Article
Published: 01 April 2004
Petroleum Geoscience (2004) 10 (2): 95-106.
... encountered abundant oil and gas shows over a 448 m gas column within Cretaceous to Lower Tertiary Bashijiqike and Baxigai Formation sands. Gas is trapped in a large, heavily faulted, northeast-east striking fold with a décollement horizon developed along a gypsiferous horizon. The structure, with a closure...
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Series: Geological Society
Published: 01 January 2017
EISBN: 9781862399594
... modelling for short timescales (e.g. Heller & Paola 1992 ; Marr et al . 2000 ). Similarly, alluvial-fan progradation can also occur during periods of constant-rate tectonic activity under a stable climate, such as for the late Tertiary–Quaternary alluvial fans of the Xiyu Formation in Tien Shan (e.g...
Journal Article
Journal: AAPG Bulletin
Published: 01 June 2017
AAPG Bulletin (2017) 101 (6): 829-862.
... and gas pools are associated with fault-related folds ( Figure 2 ) ( Jin et al., 2008 ; The PetroChina Tarim Oilfield Company, 2012 ). The main gas-bearing layer is the Lower Cretaceous Bashijiqike Formation. High-rate gas flow has been successfully tested in wells drilled in the area since 2007 ( Yang...
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Figure 3. CORONA image and simplified geologic map of Kashi-Atushi fold sys...
Published: 01 July 2006
Figure 3. CORONA image and simplified geologic map of Kashi-Atushi fold system. North-directed shortening results in exposed late Cenozoic strata above the Quaternary alluvium. With the exception of the Xiyu Formation, the late Cenozoic sedimentary sequence exposed by the anticlines is easily
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Representative outcrop photographs from the Wuheshalu section. (A) The Pami...
Published: 23 May 2019
-sandstone packages of the Pakabulake Formation. (F) The Xiyu Formation unconformably overlying the Pliocene Atushi Formation. E—Paleogene; N 1 a—Anjuan Formation; N 1 p—Pakabulake Formation; N 2 a—Atushi Formation; Q 1 x—Xiyu Formation.
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Figure 6. Photograph of terraces on the southern limb of the Atushi-Talangh...
Published: 01 July 2006
Figure 6. Photograph of terraces on the southern limb of the Atushi-Talanghe anticline. The cliff in the background is created by the capping conglomeratic Xiyu Formation, which interfingers below with the sandstone and mudstone Atushi Formation. Terrace T3b is broader and more continuous than
Series: Geological Society, London, Special Publications
Published: 01 January 2010
DOI: 10.1144/SP342.5
EISBN: 9781862395909
... of the yellow siltstones was carried out. The lithostratigraphy and age model of the Neogene fluvial sequence at Yecheng was established by Zheng et al. (2000 , 2006 ). The sequence is divided into the Miocene Wuqia Group, the Lower Pliocene Artux Formation, and the Upper Pliocene Xiyu Formation...
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(A) Map showing site location of Kuchetawu section and anticlines in Kuqa f...
in > Geology
Published: 01 November 2009
dashed line indicates our sampling route. ATF—Altyn Tagh fault; KLF—Kunlun fault; N1j—middle Miocene Jidike Formation; N1k—late Miocene Kangcun Formation; N2k—Pliocene Kuqa Formation; Q1x—early Pleistocene Xiyu Formation; TF—thrust fault.
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(A) Simplified geologic map of the Oytag area, near the Main Pamir thrust (...
Published: 22 October 2018
Figure 4. (A) Simplified geologic map of the Oytag area, near the Main Pamir thrust (MPT). (B) Photo of the growth strata within the Pliocene–Pleistocene Xiyu Formation near Oytag, situated between two splays of the MPT. Red star depicts location of Oytag (OYT) sample. Sample is projected
Journal Article
Journal: Geology
Published: 11 September 2018
Geology (2018) 46 (10): 919-922.
... and Xiyu Formation have been deposited there (ie. Heermance et al., 2007 ; Zheng et al., 2015 ), but there is little evidence for thick eolian deposits similar to that being deposited today, and thus the age of desert formation and associated aridification is unresolved. Thin (<100 m) eolian strata...
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Conceptual model of hydrocarbon accumulation processes in the Dibei tight g...
Published: 15 April 2019
Kuqa Formation (N 2 k). (D) Deposition of the Quaternary Xiyu Formation and location point of cross section illustrated in Figure 1 . (E) Present; D–E indicates the location of cross section shown in Figure 1 . E = Eocene strata; J = Jurassic strata; J 1 a = Jurassic Ahe Formation; J 1 y = Lower
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(A) Simplified geologic map of the southern end of the Kelatuo anticline. (...
Published: 22 October 2018
ratio of the west Atushi (WATSH) sample. Abbreviation: magstrat—magnetostratigraphic age. (D) Photo of the Neogene Atushi Formation and Pliocene–Pleistocene Xiyu Formation. (E) Photo interpretation on D, showing growth strata on the southern flank of the Kelatuo anticline. (F) Magnetostratigraphic
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Figure 8. Map and profiles of Boguzihe fluvial terraces on the Atushi-Talan...
Published: 01 July 2006
Figure 8. Map and profiles of Boguzihe fluvial terraces on the Atushi-Talanghe anticline. (A) Geologic cross section of the Talanghe anticline (from Scharer et al., 2004 ). Above the modern topography, the structure lines are dotted and the Xiyu Formation is lighter gray. (B) Aerial photograph
Journal Article
Journal: AAPG Bulletin
Published: 15 April 2019
AAPG Bulletin (2019) 103 (4): 769-796.
... Kuqa Formation (N 2 k). (D) Deposition of the Quaternary Xiyu Formation and location point of cross section illustrated in Figure 1 . (E) Present; D–E indicates the location of cross section shown in Figure 1 . E = Eocene strata; J = Jurassic strata; J 1 a = Jurassic Ahe Formation; J 1 y = Lower...
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Journal Article
Journal: Lithosphere
Published: 23 May 2019
Lithosphere (2019) 11 (4): 507-523.
...-sandstone packages of the Pakabulake Formation. (F) The Xiyu Formation unconformably overlying the Pliocene Atushi Formation. E—Paleogene; N 1 a—Anjuan Formation; N 1 p—Pakabulake Formation; N 2 a—Atushi Formation; Q 1 x—Xiyu Formation. ...
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Series: AAPG Memoir
Published: 01 January 2011
DOI: 10.1306/13251339M94389
EISBN: 9781629810249
... the southern and northern flanks of the Tianshan has been difficult in the past because only few seismic reflection profiles have been published (Lu et al., 1994 ; Jia, 1997 ; Hubert-Ferrari et al., 2005b , 2007 ). The younger Xiyu formation is a dark gray sequence of conglomerate...
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Journal Article
Journal: Lithosphere
Published: 01 December 2011
Lithosphere (2011) 3 (6): 420-438.
... the dynamics of plateau formation. Here, we report new constraints on the timing of shortening along the southern margin of the Gonghe Basin complex, a broad Tertiary–Quaternary depocenter within the interior region of the northeastern Tibetan Plateau. Deformation of basin strata, lithostratigraphic patterns...
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