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Yu'anshan Formation

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Image
Malongitubus kuangshanensis  from the upper part of the <b>Yu’anshan</b> <b>Formation</b>...
Published: 01 January 2018
Figure 1 Malongitubus kuangshanensis from the upper part of the Yu’anshan Formation. ( 1 ) NIGP-165029: a colony with a bent lower portion and a branched upper portion. ( 2 ) NIGP-105030: dense tubaria overlapping each other. The framed area is enlarged in ( 9 ). ( 3 ) NIGP-105031: a branched
Image
Naraoia spinosa ?  Zhang and Hou, 1985  from the <b>Yu&#x27;anshan</b> <b>Formation</b> (lower...
in > PALAIOS
Published: 01 October 2014
Fig. 10.— Naraoia spinosa ? Zhang and Hou, 1985 from the Yu'anshan Formation (lower Cambrian series 2, stage 3), Kunming, China (teaching collection, Department of Geological Sciences, University of Saskatchewan). A ) Right-posterior portion of the cephalon showing the glabella and caecum
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FIGURE 6. Fossils from the lower Cambrian <b>Yu&#x27;anshan</b> <b>Formation</b> at Mafang sho...
in > PALAIOS
Published: 01 January 2009
FIGURE 6. Fossils from the lower Cambrian Yu'anshan Formation at Mafang showing the preservational characteristics of the two taphofacies. All scale bars  =  5 mm, except G–H  =  2 mm. Comparison of the preservation of Fuxianhuia protensa Hou, 1987 (arthropod) within A) event (BA7-047) and B
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FIGURE 3 —Fossils from the Lower Cambrian <b>Yu&#x27;anshan</b> <b>Formation</b> at Mafang (Fi...
in > PALAIOS
Published: 01 July 2007
FIGURE 3 —Fossils from the Lower Cambrian Yu'anshan Formation at Mafang (Figs. A–K) and Ercaicun (Fig. L) near Haikou, Kunming. All bar scales 10 mm except: C, I, = 5 mm; L, 1 mm. Abbreviations: an, antenna; ap, appendage; as, axial spine; ex, exopodite; eye, compound eye; fc, free cheek; hs, head
Journal Article
Published: 01 September 2004
Journal of Paleontology (2004) 78 (5): 900-913.
... sclerites. Here we describe Micrina xiaotanensis new species and Tannuolina zhangwentangi Qian and Bengtson, 1989 from the Lower Cambrian Shiyantou and Yu'anshan formations (upper Meishucunian to Qiongzhusian stages) at Xiaotan, eastern Yunnan, South China. The new material not only extends the geographic...
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Journal Article
Published: 01 January 2007
Journal of Paleontology (2007) 81 (1): 116-142.
..., including the eponymous species, Yorkella aff. australis , Eoredlichia sp., Redlichia sp., and the new species Wutingaspis euryoptilos and Yunnanocephalus macromelos . Trilobites of the Pararaia bunyerooensis Zone show a strong affinity with those from the Yu'anshan Member of the Heilinpu Formation...
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Journal Article
Journal: Geology
Published: 01 September 2010
Geology (2010) 38 (9): 811-814.
... of the Early Cambrian Chengjiang biota: Sedimentology of the Yu'anshan formation in Chengjiang county, eastern Yunnan : Acta Palaeontologica Sinica , v. 40 , supplement, p. 80 – 105 . 1 GSA Data Repository item 2010228, Figures DR1–DR6, Table DR1 (specimens counts and relative abundance chart...
FIGURES
Image
Photograph of the Mo-Ni–polyelement phosphatic and sulfidic layer (up to 0....
Published: 01 September 2010
Fig. 4 Photograph of the Mo-Ni–polyelement phosphatic and sulfidic layer (up to 0.05 m thick) with siltstone in the immediate footwall and black shale in the immediate hanging wall (Yu’anshan Formation) at the Kunyang P deposit.
Journal Article
Published: 13 February 2017
Geological Magazine (2017) 154 (6): 1217-1231.
... were analysed in the Yanjiahe Formation, Yangtze Gorges area, South China. The result shows that the AHC assemblage temporally correlates to the Anabarites trisulcatus–Protohertzina anabarica Assemblage Zone, and spatially correlates to the large negative carbon isotope anomaly of the lowermost...
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Journal Article
Journal: PALAIOS
Published: 01 April 2011
PALAIOS (2011) 26 (4): 225-231.
... extracted from deep-water limestones in the lower Cambrian Yu'anshan and Shuijingtuo Formations ( Zhang and Pratt, 2008 ). Three-dimensionally preserved Orsten-type fossils with soft parts appear to result from a combination of high phosphate availability and an absence of bioturbators ( Orr et al...
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Journal Article
Published: 01 January 2015
Journal of Paleontology (2015) 89 (1): 51-71.
...), and B. ? yunnanensis Hou, 1987 from the Chengjiang biota (Yu’anshan Member, Helinpu Formation, China, lower Cambrian, Series 2, Stage 3). The last is known from the carapace only, hence the questionable assignment. Branchiocaris ? sp. Figures 9 .1, 9 .5, 11 .1, 11...
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Journal Article
Published: 13 December 2016
Geological Magazine (2016) 154 (6): 1202-1216.
... bottom to top): Dengying, Zhujiaqing, Shiyantou and Yu'anshan formations. The Dengying Formation is divided into three members including (from bottom to top) the Donglongtan, Jiucheng and Baiyanshao members. The Donglongtan and Baiyanshao members are dominated by dolostone. The Jiucheng Member mainly...
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Carbon isotope (δ 13 C), uranium isotope (δ 238 U), and Ce anomaly (Ce/Ce*)...
in > Geology
Published: 30 May 2018
section are from Li et al. (2013) . Ages of key strata are from Ling et al. (2013) , Li et al. (2013) , and references therein. SYT—Shiyantou Formation, YAS—Yu’anshan Formation, HJS—Hongjingshao Formation.
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Sclerites of  Wiwaxia . (a–d) from the lower Cambrian (Series 2, Stage
    ...
Published: 24 November 2014
Figure 2. Sclerites of Wiwaxia . (a–d) from the lower Cambrian (Series 2, Stage 3) Maotianshan Shale Member, Yu’anshan Formation ( Eoredlichia–Wudingaspis Zone) in the Mafang section, Haikou near Kunming, Yunnan Province; (e) from the middle Cambrian
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Soft-bodied and lightly sclerotized fossils from new localities. Scale bar ...
Published: 01 March 2001
Fig. 3. Soft-bodied and lightly sclerotized fossils from new localities. Scale bar is 1 cm in ( a ) & ( c ), and 3 mm in the others. ( a ) Pipiscid-like animal Xidazoon stephanus Shu, Conway Morris & Zhang 1999 ( Shu et al . 1999 a ) from the Yu’anshan Member, Qiongzhusi Formation
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Soft-bodied and lightly sclerotized fossils from new localities. Scale bar ...
Published: 01 March 2001
Fig. 3. Soft-bodied and lightly sclerotized fossils from new localities. Scale bar is 1 cm in ( a ) & ( c ), and 3 mm in the others. ( a ) Pipiscid-like animal Xidazoon stephanus Shu, Conway Morris & Zhang 1999 ( Shu et al . 1999 a ) from the Yu’anshan Member, Qiongzhusi Formation
Journal Article
Published: 26 March 2009
Geological Magazine (2009) 146 (4): 465-484.
.... As shown in Figure 3 , originally, the Zhongyicun, Dahai and Badaowan members were placed into the Meishucun Formation (Luo et al . 1980 ). However, the Badaowan Member (that is, Shiyantou Member) and Yu'anshan Member were subsequently placed into the Qiongzhusi Formation (Luo et al . 1982 ), while...
Journal Article
Published: 01 November 2005
Geological Magazine (2005) 142 (6): 751-763.
... (e.g. meiofaunal organisms). Along with hyolithids, bradoriids were amongst the most abundant animals of the Early Cambrian epibenthos (e.g. Yu’anshan Member, Heilinpu Formation (formerly Qiongzhusi Formation) southern China: Vannier & Chen, 2005 ). Their frequent high abundance suggests...
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Journal Article
Published: 01 March 2001
Journal of the Geological Society (2001) 158 (2): 211-218.
...Fig. 3. Soft-bodied and lightly sclerotized fossils from new localities. Scale bar is 1 cm in ( a ) & ( c ), and 3 mm in the others. ( a ) Pipiscid-like animal Xidazoon stephanus Shu, Conway Morris & Zhang 1999 ( Shu et al . 1999 a ) from the Yu’anshan Member, Qiongzhusi Formation...
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Haifengella corona  n. gen. n. sp. from the lower Cambrian (Series 2, Stage...
Published: 01 March 2014
Figure 2 Haifengella corona n. gen. n. sp. from the lower Cambrian (Series 2, Stage 3) Maotianshan Shale Member, middle part of the Yu'anshan Formation ( Eoredlichia–Wudingaspis Zone) in the Mafang section, Haikou near Kunming, Yunnan Province; 1 , 4–6 , NIGPAS158639; 2 , NIGPAS158640: 1