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Shangyoushashan Formation

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Journal Article
Journal: GSA Bulletin
Published: 04 April 2024
GSA Bulletin (2024)
... three local weak layers in the Lulehe, Upper Xiaganchaigou, and Shangyoushashan Formations, respectively. They consist mainly of mudstone intercalated with evaporites and limestones, and they have different spatial distributions that are likely confined by major faults and folds. These mechanically weak...
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Structural cross section based on surface geology and seismic data. The lin...
Published: 01 November 2012
Figure 3 Structural cross section based on surface geology and seismic data. The line location is shown in Figure 1B . , Paleocene Lulehe Formation; , Eocene Xiaganchaigou Formation; , Oligocene Shangganchaigou Formation; , Miocene Xiayoushashan Formation; , Miocene Shangyoushashan
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Stratigraphic columns for major depositional environments of the Wulan sect...
Published: 12 May 2022
deposits of the late Miocene Shangyoushashan Formation.
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Representative stratigraphic columns for major depositional environments of...
Published: 01 February 2016
of the Xiaganchaigou Formation. (D) Meandering fluvial-lacustrine deposits of the Shangganchaigou Formation. (E) Braided fluvial deposits of the Shangyoushashan Formation.
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Ternary diagrams of sandstone petrographic data. Light-gray arrow highlight...
Published: 01 February 2016
Figure 10. Ternary diagrams of sandstone petrographic data. Light-gray arrow highlights an up-section decrease in maturity between the Shangganchaigou and Xiaganchaigou Formations, followed by a return to more mature sandstone compositions between the Xiaganchaigou and Shangyoushashan Formations
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Field photographs of lithofacies and stratigraphic units at the Dahonggou s...
Published: 01 February 2016
. Shangyoushashan Formation, 5965 m. (F) Amalgamated trough cross-stratified sandstone overlying laminated red mudstone. Lulehe Formation, ∼50 m. (G) Interbedded coarse-grained cross-bedded sandstone and clast-supported pebble conglomerate, Lulehe Formation, 489 m. (H) Structureless to laminated red mudstone
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Field photographs of lithofacies and stratigraphic units at the Dahonggou s...
Published: 01 February 2016
. Shangyoushashan Formation, 5965 m. (F) Amalgamated trough cross-stratified sandstone overlying laminated red mudstone. Lulehe Formation, ∼50 m. (G) Interbedded coarse-grained cross-bedded sandstone and clast-supported pebble conglomerate, Lulehe Formation, 489 m. (H) Structureless to laminated red mudstone
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Interpreted seismic profile (1) in time domain. T0 to T6 are regionally cor...
Published: 01 July 2008
Figure 12. Interpreted seismic profile (1) in time domain. T0 to T6 are regionally correlative reflectors; T0 at the top of the Shizigou Formation, T1 at the top of the Shangyoushashan Formation, T2 at the top of the Xiayoushashan Formation, T3 at the top of the Shangganchaigou Formation, TR
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( continued ). (A) Isopach map of the Lulehe <span class="search-highlight">Formation</span> (E1+2). (B) Isopach ...
Published: 01 July 2008
Formation (N2-1). (F) Isopach map of the Shangyoushashan Formation (N2-2). (G) Isopach map of the Shizigou Formation (N2-3). (H) Isopach map of Quaternary sediments (Q). See Table 1 for age assignment of each unit.
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Comparison diagram of the thickness-distance ( T - D ) plots and correspond...
Published: 01 June 2016
the tendencies of the T-D curves during the stages of the Upper Xiaganchaigou–Xiayoushashan formations and the Shangyoushashan–Shizigou formations, respectively. 1—Lulehe Formation (LLH); 2—Lower Xiaganchaigou Formation (LXG); 3—Upper Xiaganchaigou Formation (UXG); 4—Shangganchaigou Formation (SG); 5
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Field photographs of the Jurassic stratigraphic contact relationship with i...
Published: 26 February 2021
the underlying silty mudstone of the Caishiling Formation with an angular unconformity at Dameigou. (E) The Shangyoushashan Formation occurs above an angular unconformity on the underlying silty mudstone of the Caishiling Formation at Aimunikenan.
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Examples of seismic lines used in this study. (A) Section 7. (B) Southernmo...
Published: 01 July 2008
units are shown in Table 1 . TWTT—two-way traveltime. T0 to T6 are regionally correlative reflectors. T0 at the top of the Shizigou formation, T1 at the top of the Shangyoushashan formation, T2 at the top of the Xiayoushashan formation, T3 at the top of the Shangganchaigou formation, T4 at the top
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Typical field photographs of sedimentary characteristic in the Wulan Basin,...
Published: 12 May 2022
-supported conglomerate interbedded with cross-stratified sandstone, indicating proximal rapid deposition. (F) Massive mudstone interbedded with thin-bedded silty sandstone, suggesting open lacustrine environment of the Shangyoushashan Formation. Note photos A–E were taken of the Xiayoushashan Formation.
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Stratigraphy, lithologic unit descriptions, sedimentary facies, and source–...
Published: 15 March 2019
= Shangganchaigou Formation; N 2 1 xy = Xiayoushashan Formation; N 2 2 sy = Shangyoushashan Formation; N 2 3 s = Shizigou Formation; Q 1 q = Qigequan Formation; Q 2–4 = Dabuxun-Yanqiao Formation.
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Gridded isopach maps of the Cenozoic stratigraphic units. (A) Lulehe <span class="search-highlight">format</span>...
Published: 01 June 2016
—Jinhongshan depression; N—Niubei depression. (D) Shangganchaigou formation (SG). (E) Xiayoushashan formation (XY). (F) Shangyoushashan formation (SY). (G) Shizigou formation (SZG).
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Gridded isopach maps of the Cenozoic stratigraphic units. (A) Lulehe <span class="search-highlight">format</span>...
Published: 01 June 2016
—Jinhongshan depression; N—Niubei depression. (D) Shangganchaigou formation (SG). (E) Xiayoushashan formation (XY). (F) Shangyoushashan formation (SY). (G) Shizigou formation (SZG).
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Gridded isopach maps of the Cenozoic stratigraphic units. (A) Lulehe <span class="search-highlight">format</span>...
Published: 01 June 2016
—Jinhongshan depression; N—Niubei depression. (D) Shangganchaigou formation (SG). (E) Xiayoushashan formation (XY). (F) Shangyoushashan formation (SY). (G) Shizigou formation (SZG).
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(A) Interpreted deep seismic section A–A’–A’’ displays the structural and s...
Published: 08 December 2022
to the near well seismic traces. Q—Quaternary; SZG Fm.—Shizigou Formation; SYSS Fm.—Shangyoushashan Formation; XYSS Fm.—Xiayoushashan Formation; SGCG Fm.—Shangganchaigou Formation; XGCG Fm.—Xiaganchaigou Formation. m—mudstone; fs—fine sandstone; cs—coarse sandstone; c—conglomerate. See Figures 1B and 2A
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Field photographs of the easternmost segment of the North Qaidam thrust bel...
Published: 12 May 2022
hanging-wall anticline in Cambrian thrust shown in A and B. Photo was taken at site NQ2. (F) Tilted Miocene strata developed in the Shangyoushashan Formation in the Wulan Basin, photo was taken near site NQ1. (G–H) North-dipping thrust fault with syn-tectonic Holocene basin-fill deposits. Photo was taken
Journal Article
Journal: GSA Bulletin
Published: 08 December 2022
GSA Bulletin (2023) 135 (7-8): 1783–1793.
... to the near well seismic traces. Q—Quaternary; SZG Fm.—Shizigou Formation; SYSS Fm.—Shangyoushashan Formation; XYSS Fm.—Xiayoushashan Formation; SGCG Fm.—Shangganchaigou Formation; XGCG Fm.—Xiaganchaigou Formation. m—mudstone; fs—fine sandstone; cs—coarse sandstone; c—conglomerate. See Figures 1B and 2A...
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