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Gaojiashan Member

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Typical lithofacies and geochemical data of the <b>Gaojiashan</b> <b>Member</b>, Dengying...
Published: 17 June 2019
Fig. 6. Typical lithofacies and geochemical data of the Gaojiashan Member, Dengying Formation, at the Gaojiashan section. Stratigraphic height numbers represent the distance above the Algal Dolomite/Gaojiashan boundary. (a) Thinly bedded siltstones and silty limestones in the lower/middle
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Fossils and gypsum pseudomorphs in the <b>Gaojiashan</b> <b>Member</b>, Dengying Formatio...
Published: 17 June 2019
Fig. 7. Fossils and gypsum pseudomorphs in the Gaojiashan Member, Dengying Formation, at the Gaojiashan section. (a) Limestone slab 14GJS-10 (collected at 42 m in Fig. 13 ) with the terminal Ediacaran fossil Cloudina . (b) Thin-section of 14GJS-10 stained by Alizarin Red S, confirming its
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Integrated litho-, bio- and chemostratigraphy of the <b>Gaojiashan</b> <b>Member</b> of t...
Published: 17 June 2019
Fig. 13. Integrated litho-, bio- and chemostratigraphy of the Gaojiashan Member of the middle Dengying Formation at the Gaojiashan section. Geochemical profiles show (a) carbonate contents (wt %), (b) carbonate carbon isotopes (δ 13 C carb , ‰ VPDB), carbonate oxygen isotopes (δ 18 O carb
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FIGURE 2 —Tubular shells from the <b>Gaojiashan</b> <b>Member</b>, Dengying Formation; sc...
in > PALAIOS
Published: 01 October 2003
FIGURE 2 —Tubular shells from the Gaojiashan Member, Dengying Formation; scale bar applies to all specimens. (A) SEM photomicrograph of phosphatized Sinotubulites cienegensis showing irregularly annulated exterior; ELI 20000211, scale bar = 1000 µm. (B, C) Thin-section photomicrographs
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FIGURE 3 — Cloudina  shells with borings from the <b>Gaojiashan</b> <b>Member</b>, Dengyi...
in > PALAIOS
Published: 01 October 2003
FIGURE 3 — Cloudina shells with borings from the Gaojiashan Member, Dengying Formation; scanning electron photomicrographs. Arrows point to individual boreholes. A–J are consecutively ELI 20000201–20000210. Scale bar: A, G = 200 µm; B = 300 µm; C, E, H = 150 µm; D, J = 250 µm; F = 350 µm; K, N, O
Journal Article
Published: 17 June 2019
Geological Magazine (2019) 156 (11): 1924–1948.
...Fig. 6. Typical lithofacies and geochemical data of the Gaojiashan Member, Dengying Formation, at the Gaojiashan section. Stratigraphic height numbers represent the distance above the Algal Dolomite/Gaojiashan boundary. (a) Thinly bedded siltstones and silty limestones in the lower/middle...
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Journal Article
Journal: PALAIOS
Published: 01 August 2010
PALAIOS (2010) 25 (8): 487–506.
... , Sinotubulites , and Cloudina ) and calcareous microfossils ( Protolagena ). This study focuses on the fossiliferous middle Gaojiashan Member at the Gaojiashan section, where pyritization of soft-bodied or lightly skeletonized tubular fossils is the primary mode of preservation. Integrated paleoecological...
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Journal Article
Published: 01 March 2011
Geological Magazine (2011) 148 (2): 329–333.
... that this is the first find of Gaojiashania outside China, since Gaojiashania had previously only been reported from the Gaojiashan Member of the middle Dengying Formation in the Ningqiang area, southern Shaanxi Province, South China. However, we believe that the so-called Siberian Gaojiashania was mis-identified...
Journal Article
Journal: PALAIOS
Published: 01 May 2012
PALAIOS (2012) 27 (5): 354–372.
...MIKE MEYER; JAMES D SCHIFFBAUER; SHUHAI XIAO; YAOPING CAI; HONG HUA Abstract Shaanxilithes ningqiangensis is an enigmatic ribbon-shaped fossil from the upper Ediacaran Gaojiashan Member of the Dengying Formation, southern Shaanxi Province, South China. This taxon has also been reported from...
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Journal Article
Published: 01 November 2017
Geological Magazine (2017) 154 (6): 1187–1192.
... as carbonaceous imprints from the early Ediacaran Lantian, Wenghui and Miaohe biotas (also Doushantuo Formation); (3) typical late Ediacaran faunas, preserved in dark limestone (Shibantan biota) and as large and poorly mineralized tubular animal fossils (Gaojiashan biota), both from the Dengying Formation; (4...
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Journal Article
Journal: PALAIOS
Published: 09 October 2020
PALAIOS (2020) 35 (9): 359–376.
... shrouds true paleoecological and paleobiological signatures. We address the nature of this taphonomic complexity within the fossiliferous sandstones of the Ediacara Member in South Australia. Utilizing the most fossiliferous outcropping of the Ediacara Member, located at the Nilpena Station National...
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Petrographic observations of dolostones in the Beiwan <b>Member</b>, Dengying Form...
Published: 17 June 2019
Fig. 8. Petrographic observations of dolostones in the Beiwan Member, Dengying Formation, at the Gaojiashan section. (a–c) Slab and petrographic photographs of sample 09BW-79.5 (collected at 339.5 m in Fig. 12 ) showing dolomicrite with abundant algal fabrics (?). (d–f) Slab and petrographic
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Figure 5. Field, hand sample, and thin section observation of the siltstone...
in > PALAIOS
Published: 01 August 2010
of multi-colored siltstone and silty shale in the lower Gaojiashan Member. Rock hammer (28 cm tall) for scale. B) Reddish siltstone or silty shale in the lower Gaojiashan Member (arrow in A). Scale 5 cm. C–D) Thin section photomicrographs of greenish gray lithology in the lower Gaojiashan Member (double
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Figure 3. Field photographs of sedimentary structures. All photographs were...
in > PALAIOS
Published: 01 August 2010
Gaojiashan Member. Scale 20 cm. D) Lenticular calcisiltite concretion surrounded by calcisiltite and siltstone, middle Gaojiashan Member. Pencil 13 cm. E) Crinkled microbial lamination in the upper part of the middle Gaojiashan Member. Scale 5 cm. F) Angular rip-up clast in the upper part of the middle
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Carbonate δ 13 C (left) and δ 18 O (right) values of micro-drilled samples ...
Published: 17 June 2019
Fig. 11. Carbonate δ 13 C (left) and δ 18 O (right) values of micro-drilled samples from the Gaojiashan Member, Dengying Formation, at the Gaojiashan section. (a–c) Calcite-filled vugs and veins (arrows) at c . 50–51 m in Figure 13 . Pencil for scale. (d–g) Carbonate δ 13 C (left) and δ 18 O
Journal Article
Published: 13 December 2016
Geological Magazine (2017) 154 (6): 1202–1216.
..., Gaojiashan and Beiwan members). Although numerous studies have been carried out on the lithostratigraphy, chemostratigraphy and palaeontology within the Dengying Formation, less achievement on geochronology has been made. No zircon U–Pb data have been directly obtained from the Dengying Formation or its...
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Figure 4. Reflected light photomicrographs (except K, M, N) of representati...
in > PALAIOS
Published: 01 August 2010
Figure 4. Reflected light photomicrographs (except K, M, N) of representative fossils from the Gaojiashan Member. All illustrated fossils are from the middle Gaojiashan Member at the Gaojiashan section unless otherwise noted. Scale 1 cm unless otherwise noted. A) Shaanxilithes ningqiangensis
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Figure 11. A schematic diagram showing the depositional setting of the midd...
in > PALAIOS
Published: 01 August 2010
Figure 11. A schematic diagram showing the depositional setting of the middle Gaojiashan Member at the Gaojiashan section, emphasizing the importance of event deposition (gray plume) as an obrution mechanism. A) An erect Conotubus organism (left) is buried obliquely, with its annulations inclined
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Figure 6. Detailed stratigraphic log of the 8.92 m strata in the middle Gao...
in > PALAIOS
Published: 01 August 2010
Figure 6. Detailed stratigraphic log of the 8.92 m strata in the middle Gaojiashan Member at the Gaojiashan section. Black triangles to the left of master stratocolumn indicate the deepening- and then shallowing-upward sequences in the Gaojiashan Member. Thickness of normally graded calcisiltite
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Simplified tectonic map, geological map, litho- and chemostratigraphy of th...
Published: 17 June 2019
village, Niqiang county, Hanzhong city, southern Shaanxi Province. (d) Simplified stratigraphy of the Dengying Formation at Gaojiashan (Cui et al. 2016 b ). Sources of age data: Condon et al. ( 2005 ); Cui et al. ( 2016 b ); Linnemann et al. ( 2019 ). Abbreviations: GJS – Gaojiashan Member; KCP