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Sunjiagou Formation

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Field and fossil photos. (A) Lithological boundary between <span class="search-highlight">Sunjiagou</span> and Li...
Published: 16 October 2019
Figure 2. Field and fossil photos. (A) Lithological boundary between Sunjiagou and Liujiagou Formations at Dayulin. (B) Lithological boundary between Sunjiagou and Liujiagou Formations at Shichuanhe. (C) Sunjiagou Formation at Zishiya. (D−E) Paleosol carbonates in middle Sunjiagou Formation
Journal Article
Journal: GSA Bulletin
Published: 27 May 2022
GSA Bulletin (2022)
... and increased aridity. We examined the predominantly terrestrial strata of North China to reveal that, on the contrary, there was little substantial sedimentological change during the Permo-Triassic mass extinction. The crisis level occurs in the upper Sunjiagou Formation, where a range of environments...
Journal Article
Journal: GSA Bulletin
Published: 16 October 2019
GSA Bulletin (2020) 132 (5-6): 1106–1118.
...Figure 2. Field and fossil photos. (A) Lithological boundary between Sunjiagou and Liujiagou Formations at Dayulin. (B) Lithological boundary between Sunjiagou and Liujiagou Formations at Shichuanhe. (C) Sunjiagou Formation at Zishiya. (D−E) Paleosol carbonates in middle Sunjiagou Formation...
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Journal Article
Journal: Geology
Published: 05 February 2021
Geology (2021) 49 (6): 677–681.
... the Taiyuan Formation has long been a subject of debate. The Shansi and Lower Shihhotse Formations were roughly assigned to the Cisuralian, the Upper Shihhotse Formation to the Guadalupian (273.0–259.5 Ma), and the Sunjiagou Formation to the Lopingian (259.5–251.9 Ma) in the classic area of Shanxi Province...
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Lithostratigraphy, δ 13 C org  profile, fossil distribution, and paleosol c...
Published: 16 October 2019
. Conodont zones are from Yin et al. (2014) . Light-gray field represents the carbon isotope excursion (CIE) stage within the middle Sunjiagou Formation and its correlative interval at Meishan. Abbreviations: Onset of CIE—onset of the negative carbon isotope excursion; EPME—end-Permian mass extinction; Fm
Image
Compilation of Permian global events in parallel with Earth system changes ...
Published: 05 February 2021
Figure 2. Compilation of Permian global events in parallel with Earth system changes in the North China block. Red dashed line represents the unconformity from the late Cisuralian to Guadalupian (ca. 280–260 Ma) between the Upper Shihhotse and Sunjiagou Formations. LSh— Lower Shihhotse. Red
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Horseshoe crab trace fossil occurrences.              Age  Ichnotaxa  Forma...
Published: 01 September 2020
Rioja, Argentina Playa lake Aceñolaza and Buatois ( 1993 ) Zhang et al. ( 1998 ) Upper Permian Kouphichnium lithographicum K. didactylum Kouphichnium cf. K. gracilis Sunjiagou and Liujiagou formations North China Fluvial or lakeshore Shu et al. ( 2018 ) Mesozoic Lower Triassic
Journal Article
Journal: PALAIOS
Published: 17 March 2020
PALAIOS (2020) 35 (3): 122–134.
.../Sunjiagou Formation and Liujiagou Formation, respectively, which are widely distributed in north China ( Liu and Liu 1984 ). The two sections (1, Mangniushan; and 2, Northern Valley of Mangniushan) measured and studied in this work are located in the southern wing of the Yangjiazhangzi Syncline ( Fig. 2...
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Journal Article
Journal: Lithosphere
Publisher: GSW
Published: 11 June 2022
Lithosphere (2022) 2022 (1): 2299247.
... of reservoirs and information in a deeper position have formed yet. The formation mechanism and key controlling factors remain ambiguous [ 1 – 3 , 9 ]. The undulation of the Curie isothermal surface, as a result of the combined effect of convection, local radioactive heating effect, and upper mantle thermal...
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Journal Article
Published: 04 October 2018
Journal of Paleontology (2019) 93 (1): 72–97.
... , Geos , 124 p. [in Russian]. Liu , S.-W. , 1985 , An SEM study on the conchostracan genus Polygrapta : Acta Palaeontologica Sinica , v. 24 , p. 625 – 629 . Liu , S.-W. , and He , Z.-J. , 2000 , Marine conchostracans from the “Sunjiagou Formation” of Qishan, Shaanxi...
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Journal Article
Published: 01 September 2020
Journal of Paleontology (2020) 94 (5): 887–905.
... Rioja, Argentina Playa lake Aceñolaza and Buatois ( 1993 ) Zhang et al. ( 1998 ) Upper Permian Kouphichnium lithographicum K. didactylum Kouphichnium cf. K. gracilis Sunjiagou and Liujiagou formations North China Fluvial or lakeshore Shu et al. ( 2018 ) Mesozoic Lower Triassic...
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Journal Article
Journal: PALAIOS
Published: 24 September 2020
PALAIOS (2020) 35 (8): 342–357.
... Permian continental strata of the Sunjiagou Formation in South China host inclined burrows around 20 mm in diameter but these lack the surface ornamentation or ventral groove of the Sydney Basin examples ( Guo et al. 2019 ). Middle Triassic inclined burrows from both Argentina (up to 270 mm wide...
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Series: Geological Society, London, Special Publications
Published: 01 January 2018
DOI: 10.1144/SP450.6
EISBN: 9781786203311
... in the Sunjiagou Formation, Early Triassic (Induan) of China. Cornia germari interval (33 in Fig. 2) Definition and range FOD of Cornia germari . The upper stratigraphic range of this interval is currently in revision and therefore...
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Series: Geological Society, London, Special Publications
Published: 01 January 2006
DOI: 10.1144/GSL.SP.2006.265.01.04
EISBN: 9781862395138
... ,2001). In northern China, the Shihtienfenia assemblage from the Shihezi Formation in Henana and the Sunjiagou Formation in Shanxi yields the temnospondyl Bystrowiana and various pareiasaurs, especially Shihtienfenia ( Lucas 2005 b ). The pareiasaurs are most similar to characteristic...
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Series: Geological Society, London, Special Publications
Published: 01 January 2018
DOI: 10.1144/SP450.12
EISBN: 9781786203311
..., is from the Shihezi Formation in Henan and the Sunjiagou Formation in Shanxi. It includes the chroniosuchian Bystrowiana and various pareiasaurs, especially Shihtienfenia ( Lucas 2001 , 2005 b ; Li & Liu 2013 ; Liu et al. 2014 ; Li et al. 2015 ; Benton 2016 ). The pareiasaurs are most...
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Series: Geological Society, London, Special Publications
Published: 01 January 2018
DOI: 10.1144/SP450.4
EISBN: 9781786203311
... marked by the extirpation of taxa and so is not recognized biozonally. Ullmannia Zone – this occurs in the predominantly red-bed sequences of Shanxi and Shaanxi, of the Sunjiagou (formerly Shihchienfeng) Formation, which according to Stevens et al. (2011) approximately coincides...
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