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Journal Article

Middle Jurassic intracontinental evolution of East Asia: Insights from the Tianshifu-Dongyingfang basin of the Liaodong Peninsula, NE China Available to Purchase

Zhiheng Ren, Shuwen Dong, Yueqiao Zhang, Xuanhua Chen, Wei Shi, Yu Zhang
Journal: GSA Bulletin
Published: 20 July 2022
GSA Bulletin (2023) 135 (3-4): 915–936.
DOI: https://doi.org/10.1130/B36373.1
... Orogeny. The Tianshifu-Dongyingfang basin, located in the northern Liaodong Peninsula, is filled with complete Jurassic sequences that can be compared with those in the eastern North China Craton to the west of the Tan-Lu fault zone and the Korean Peninsula. Regional stratigraphic correlations suggest...
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View PDF for article title, Middle Jurassic intracontinental evolution of East Asia: Insights from the <span class="search-highlight">Tianshifu</span>-Dongyingfang <span class="search-highlight">basin</span> of the Liaodong Peninsula, NE China
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Pictures of phytolite in the Tianshifu Basin (Part I). Sample localities are represented by PL (phytolite locality) and the alphabetic code corresponds to that shown in Figure 1c. (a) Pterophyllum sp., Dabu Formation, PL-B; (b) Coniopteris burejensis (Zalessky) Seward, Changliangzi Formation, PL-A; (c) Coniopteris gaojiatianensis Zhang, Changliangzi Formation, PL-A; (d) Podozamites lanceolatus (Lindley et Hutton) Braun, lower Changliangzi Formation, PL-A; (e) Equisetum sibiricum (Heer), Changliangzi Formation, PL-A; (f) Equisetum laterale Phillips, Changliangzi Formation, PL-A; (g) Todites cf. shensiensis (Pán) Sze, Dabu Formation, PL-C; (h) Sphenobaiera longifolia (Pomer) Florin, Dabu Formation, PL-C; (i) Equisetum ilmijense (Prynada), Dabu Formation, PL-C; (j) Elatocladus sp., Dabu Formation, PL-B; (k) Cladophlebis ichiinensis Sze, Dabu Formation, PL-C; (l) Coniopteris tatungensis Sze, Dabu Formation, PL-B; (m) Cladophlebis asiatica Chow et Yeh, Dabu Formation, PL-B; and (n) Cladophlebis delicatula Yabe et ⓞishi, Changliangzi Formation, PL-A.

Pictures of phytolite in the Tianshifu Basin (Part I). Sample localities ar... Available to Purchase

Published: 20 November 2020
Fig. 5. Pictures of phytolite in the Tianshifu Basin (Part I). Sample localities are represented by PL (phytolite locality) and the alphabetic code corresponds to that shown in Figure  1 c. (a) Pterophyllum sp., Dabu Formation, PL-B; (b) Coniopteris burejensis (Zalessky) Seward, Changliangzi
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Pictures of phytolite in the Tianshifu Basin (Part II). Sample localities are represented by PL (phytolite locality) and the alphabetic code corresponds to that shown in Figure 1c. (a) Klukia cf. exilis (Phillips, 1829) Raciborski 1890 emend. Harris, Changliangzi Formation, PL-A; (b) Neocalamites sp., Changliangzi Formation, PL-A; (c) Coniopteris hymenophylloides Brongniart, Changliangzi Formation, PL-A; (d) Todites williamsoni (Brongniart) Seward, Dabu Formation, PL-C; (e) Nilssonia sp., Dabu Formation, PL-B; (f) Equisetum guojiadianense Zhang et Zheng, Changliangzi Formation, PL-A; (g) Sphenarion latifolia (Turutanova–Ketova) Harris, Dabu Formation, PL-B; (h) Pityophyllum longifolium (Nathorst) Moeller, Dabu Formation, PL-C; (i) Neocalamites cf. hoerensis (Schimper) Halle, Dabu Formation, PL-C; and (j) Todites williamsoni (Brongniart) Seward, Changliangzi Formation, PL-A.

Pictures of phytolite in the Tianshifu Basin (Part II). Sample localities a... Available to Purchase

Published: 20 November 2020
Fig. 6. Pictures of phytolite in the Tianshifu Basin (Part II). Sample localities are represented by PL (phytolite locality) and the alphabetic code corresponds to that shown in Figure  1 c. (a) Klukia cf. exilis (Phillips, 1829 ) Raciborski 1890 emend. Harris, Changliangzi Formation, PL
Journal Article

Early Jurassic (Toarcian) warming identified from lacustrine sediments of eastern Liaoning, China Available to Purchase

Qian Zhang, Enpu Gong, Yongli Zhang, Changqing Guan
Published: 20 November 2020
Geological Magazine (2021) 158 (7): 1194–1208.
DOI: https://doi.org/10.1017/S0016756820001235
...Fig. 5. Pictures of phytolite in the Tianshifu Basin (Part I). Sample localities are represented by PL (phytolite locality) and the alphabetic code corresponds to that shown in Figure  1 c. (a) Pterophyllum sp., Dabu Formation, PL-B; (b) Coniopteris burejensis (Zalessky) Seward, Changliangzi...
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View PDF for article title, Early Jurassic (Toarcian) warming identified from lacustrine sediments of eastern Liaoning, China
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(a) Palaeogeographic map of the late Early Jurassic period, redrawn after Scotese (2004); (b) location of the Tianshifu Basin (the yellow star indicates the study area); and (c) generalized geological map of the Tianshifu Basin. Location of the Changliangzi section and phytolite are presented.

(a) Palaeogeographic map of the late Early Jurassic period, redrawn after S... Available to Purchase

Published: 20 November 2020
Fig. 1. (a) Palaeogeographic map of the late Early Jurassic period, redrawn after Scotese ( 2004 ); (b) location of the Tianshifu Basin (the yellow star indicates the study area); and (c) generalized geological map of the Tianshifu Basin. Location of the Changliangzi section and phytolite
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List and vertical distribution of the plant macrofossils in the Tianshifu B... Available to Purchase

Published: 20 November 2020
Table 1. List and vertical distribution of the plant macrofossils in the Tianshifu Basin Plant species Changliangzi Formation Dabu Formation Ferns  Dicksoniaceae    Coniopteris tatungensis + +    Coniopteris burejensis +    Coniopteris gaojiatianensis
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Open folding in the basin center along the surveyed section c–c’ (A–C); outcrops of the Xiaodonggou Formation (D–E) and the Sangeling Formation (F–G). (A) Well-exposed disconformity between the Dabao Formation and the Sangeling Formation in the left limb of the syncline; (B) thick, west-dipping conglomerates of the Sangeling Formation in the right limb of the syncline; (C) west-dipping coal measures of the Dabao Formation in the right limb of the syncline; (D) subhorizontal red beds of the Xiaodonggou Formation in the Dongyingfang basin (41°11′50.28″, 124°32′44.16″); (E) subhorizontal tuffaceous siltstone layered in the tuffaceous conglomerates of the Xiaodonggou Formation in the Dongyingfang basin (41°10′33.96″, 124°34′1.92″); (F) boulder conglomerate in the margin of the Dongyingfang basin (41°16′55.56″, 124°42′45.00″); (G) gravel conglomerate in the center of the Tianshifu basin (41°13′24.96″, 124°20′56.40″). J2d—Middle Jurassic Dabao Formation; J2s—Middle Jurassic Sangeling Formation; J3xd—Late Jurassic Xiaodonggou Formation. Yellow star represents the sampling location; the sample names and youngest detrital zircon ages are enclosed in the white boxes. Red ellipses show the hammer for scaling.

Open folding in the basin center along the surveyed section c–c’ (A–C); out... Available to Purchase

Published: 20 July 2022
tuffaceous siltstone layered in the tuffaceous conglomerates of the Xiaodonggou Formation in the Dongyingfang basin (41°10′33.96″, 124°34′1.92″); (F) boulder conglomerate in the margin of the Dongyingfang basin (41°16′55.56″, 124°42′45.00″); (G) gravel conglomerate in the center of the Tianshifu basin (41°13
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Geological map of the Tianshifu-Dongyingfang basin. K1—Early Cretaceous; J3—Late Jurassic; J2—Middle Jurassic; J1—Early Jurassic. Fm.—Formation.

Geological map of the Tianshifu-Dongyingfang basin. K 1 —Early Cretaceous; ... Available to Purchase

Published: 20 July 2022
Figure 4. Geological map of the Tianshifu-Dongyingfang basin. K 1 —Early Cretaceous; J 3 —Late Jurassic; J 2 —Middle Jurassic; J 1 —Early Jurassic. Fm.—Formation.
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Tectonic evolution of the Tianshifu-Dongyingfang basin. (A) Development of Early–Middle Jurassic coal measures in the rift basin at 187–171 Ma; (B) WNW–ESE compressional stress arrived in the Liaodong Peninsula and inversed the rift basin at ca. 171 Ma. Syntectonic conglomerates were deposited above the folded coal measures along the basin margin, and the angular unconformity between them was quickly transformed into disconformity or conformity toward the basin center; (C) WNW–ESE compressional stress passed by the Liaodong Peninsula and was continuously transmitted into the continental interior of the North China Craton at 170–165 Ma. The Early–Middle Jurassic sequences and the basement were all folded and uplifted, the angular unconformity in the basin margin was stripped off, and the Tianshifu-Dongyingfang basin was separated into two small sub-basins; (D) red beds of the Xiaodonggou Formation were unconformably deposited above the gently folded conglomerates of the Sangeling Formation in the Dongyingfang basin. Ar—Archean basement; Pre-J—pre-Jurassic basement; J1–2—Early–Middle Jurassic; J1c—Early Jurassic Changliangzi Formation; J2z + J2d + J2s—Middle Jurassic Formations of Zhuanshanzi + Dabao + Sangeling; J3xd—Late Jurassic Xiaodonggou Formation.

Tectonic evolution of the Tianshifu-Dongyingfang basin. (A) Development of ... Available to Purchase

Published: 20 July 2022
Figure 12. Tectonic evolution of the Tianshifu-Dongyingfang basin. (A) Development of Early–Middle Jurassic coal measures in the rift basin at 187–171 Ma; (B) WNW–ESE compressional stress arrived in the Liaodong Peninsula and inversed the rift basin at ca. 171 Ma. Syntectonic conglomerates were
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DESCRIPTION AND LASER ABLATION–INDUCTIVELY COUPLED PLASMA–MASS SPECTROMETRY... Available to Purchase

Published: 20 July 2022
TABLE 2. DESCRIPTION AND LASER ABLATION–INDUCTIVELY COUPLED PLASMA–MASS SPECTROMETRY ZIRCON U-PB AGES OF THE SAMPLES DATED FROM THE TIANSHIFU-DONGYINGFANG BASIN
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Representative cathodoluminescence images (left) and U-Pb concordia diagrams (right) for zircons of igneous samples from the Tianshifu-Dongyingfang basin. MSWD—mean square of weighted deviates.

Representative cathodoluminescence images (left) and U-Pb concordia diagram... Available to Purchase

Published: 20 July 2022
Figure 11. Representative cathodoluminescence images (left) and U-Pb concordia diagrams (right) for zircons of igneous samples from the Tianshifu-Dongyingfang basin. MSWD—mean square of weighted deviates.
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Simplified geological map of the Liaodong Peninsula and the location of the Tianshifu-Dongyingfang basin. K1—Early Cretaceous; J3—Late Jurassic; J2–3—Middle–Late Jurassic; T3—Late Triassic.

Simplified geological map of the Liaodong Peninsula and the location of the... Available to Purchase

Published: 20 July 2022
Figure 3. Simplified geological map of the Liaodong Peninsula and the location of the Tianshifu-Dongyingfang basin. K 1 —Early Cretaceous; J 3 —Late Jurassic; J 2–3 —Middle–Late Jurassic; T 3 —Late Triassic.
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Zircon U-Pb concordia diagrams (left), histograms and relative probability (curves) of concordant zircon ages (middle), Th/U versus age diagrams (right), and representative zircon cathodoluminescence images (bottom) of clastic samples from the Tianshifu-Dongyingfang basin. MSWD—mean square of weighted deviates.

Zircon U-Pb concordia diagrams (left), histograms and relative probability ... Available to Purchase

Published: 20 July 2022
Figure 10. Zircon U-Pb concordia diagrams (left), histograms and relative probability (curves) of concordant zircon ages (middle), Th/U versus age diagrams (right), and representative zircon cathodoluminescence images (bottom) of clastic samples from the Tianshifu-Dongyingfang basin. MSWD—mean
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(A) Principal stress orientations were calculated from the fault slip-data of the N–S-trending thrust faults. The mean principal stress orientations are shown at the left top corner; (B–C) cross sections through the Tianshifu-Dongyingfang basin were drawn parallel to the maximum principal stress (σ1) orientation.

(A) Principal stress orientations were calculated from the fault slip-data ... Available to Purchase

Published: 20 July 2022
Figure 9. (A) Principal stress orientations were calculated from the fault slip-data of the N–S-trending thrust faults. The mean principal stress orientations are shown at the left top corner; (B–C) cross sections through the Tianshifu-Dongyingfang basin were drawn parallel to the maximum
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Simplified structural map of the North China Craton and the distribution of key Jurassic basins in the North China Craton and Korean Peninsula (modified from Liu et al., 2013; Zhang et al., 2019; Lin et al., 2020). WL—Western Liaoning; NH—Northern Hebei; WH—Western Hebei; WB—Western Beijing; NSH—Northern Shanxi. 1—Chungnam basin; 2—Tianshifu-Dongyingfang basin; 3—Beipiao basin; 4—Chengde basin; 5—Jingxi basin; 6—Xiahuayuan basin; 7—Yungang basin; 8—Ningwu-Jingle basin; 9—Shiguai basin.

Simplified structural map of the North China Craton and the distribution of... Available to Purchase

Published: 20 July 2022
—Western Beijing; NSH—Northern Shanxi. 1—Chungnam basin; 2—Tianshifu-Dongyingfang basin; 3—Beipiao basin; 4—Chengde basin; 5—Jingxi basin; 6—Xiahuayuan basin; 7—Yungang basin; 8—Ningwu-Jingle basin; 9—Shiguai basin.
Journal Article

The Early Devonian Xitun Vertebrate Fauna in South China inhabited a shallow marine environment with changing salinity Available to Purchase

Jiachen Cai, Haoran Sun, Wenjin Zhao, Jianhua Wang, Min Zhu
Published: 12 March 2024
Journal of the Geological Society (2024) 181 (3): jgs2023-146.
DOI: https://doi.org/10.1144/jgs2023-146
.... Tectonically, the Qujing area in East Yunnan was located at the southwestern margin of the South China Block (SCB) during the Siluro-Devonian period ( Fig. 2b ) ( Zhao and Zhu 2007 ; Xue et al. 2018 ). The continuous Siluro-Devonian sequence in the rift basin developed in the southwestern margin of SCB...
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View PDF for article title, The Early Devonian Xitun Vertebrate Fauna in South China inhabited a shallow marine environment with changing salinity
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Book Chapter

Molecular and petrographical evidence for lacustrine environmental and biotic change in the palaeo-Sichuan mega-lake (China) during the Toarcian Oceanic Anoxic Event Available to Purchase

Author(s)
Weimu Xu, Johan W. H. Weijers, Micha Ruhl, Erdem F. Idiz, Hugh C. Jenkyns, James B. Riding, Olga Gorbanenko, Stephen P. Hesselbo
Book: Carbon Cycle and Ecosystem Response to the Jenkyns Event in the Early Toarcian (Jurassic)
Series: Geological Society, London, Special Publications
Publisher: Geological Society of London
Published: 03 November 2021
DOI: 10.1144/SP514-2021-2
EISBN: 9781786209993
... from the Tianshifu Basin on the North China Block indicates a dominant warm and humid climate, with related plants accounting for 69% of the assemblage, while drought-resistant plants increased to 10% of the assemblage, probably resulting from strong seasonality ( Zhang et al. 2020 ). Also this basin...
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Abstract
View PDF for content titled, Molecular and petrographical evidence for lacustrine environmental and biotic change in the palaeo-Sichuan mega-lake (China) during the Toarcian Oceanic Anoxic Event
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Abstract The organic-rich upper Lower Jurassic Da'anzhai Member (Ziliujing Formation) of the Sichuan Basin, China is the first stratigraphically well-constrained lacustrine succession associated with the Toarcian Oceanic Anoxic Event (T-OAE; c. 183 Ma). The expansion of the palaeo-Sichuan mega-lake, probably one of the most extensive freshwater systems to have existed on the planet, is marked by large-scale lacustrine organic productivity and carbon burial during the T-OAE, possibly owing to intensified hydrological cycling and nutrient supply. New molecular biomarker and organic petrographical analyses, combined with bulk organic and inorganic geochemical and palynological data, are presented here, providing insight into aquatic productivity, land-plant biodiversity and terrestrial ecosystem evolution in continental interiors during the T-OAE. We show that lacustrine algal growth during the T-OAE accounted for a significant organic-matter flux to the lakebed in the palaeo-Sichuan mega-lake. Lacustrine water-column stratification during the T-OAE facilitated the formation of dysoxic–anoxic conditions at the lake bottom, favouring organic-matter preservation and carbon sequestration into organic-rich black shales in the Sichuan Basin. We attribute the palaeo-Sichuan mega-lake expansion to enhanced hydrological cycling in a more vigorous monsoonal climate in the hinterland during the T-OAE greenhouse.