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Ningqiang China

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Geological map and stratigraphic column. A) Geological map of the <b>Ningqiang</b>...
in > PALAIOS
Published: 01 May 2012
FIGURE 1— Geological map and stratigraphic column. A) Geological map of the Ningqiang area showing the location of the Gaojiashan section. Inset shows important tectonic blocks in China, with the Ningqiang area (box) located in the northwestern margin of the Yangtze block. Modified from Cai et
Journal Article
Journal: AAPG Bulletin
Published: 01 May 2018
AAPG Bulletin (2018) 102 (5): 913–938.
... of the bitumen and present-day oil-seep samples. The upper Neoproterozoic to Lower Cambrian shales and middle Permian black mudstones are considered as the potential source rocks ( Xie et al., 2003 ; Zhou et al., 2013 ) to several petroleum systems (e.g., Ningqiang, Tanjingshan, and Kuangshanliang...
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Journal Article
Published: 24 September 2019
Bulletin of the Seismological Society of America (2019) 109 (6): 2470–2490.
... in eastern China (Jilin Songyuan, twice), eastern rural areas (Guangxi Cangwu), and western urban areas (Chongqing Wulong, Rongchang, Shanxi Ningqiang, Sichuan Jiuzhaigou, and Xinjiang Jinghe); the time distribution was from 31 July 2016 to 12 September 2018. Five earthquakes occurred during daytime (06:00...
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Journal Article
Published: 01 January 2020
Journal of Paleontology (2020) 94 (1): 45–55.
... of the Yanjiahe Formation (Cambrian Stage 2) in the Three Gorges area of Hupei Province, China. The laterally compressed, biradially symmetrical periderm of this species possesses 14 gently tapered faces, the most of any hexangulaconulariid described thus far. The faces are bordered by longitudinal ridges...
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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
Published: 17 June 2019
Geological Magazine (2019) 156 (11): 1924–1948.
... sedimentological and chemostratigraphic (δ 13 C carb , δ 18 O carb , δ 13 C org , δ 34 S pyrite , and 87 Sr/ 86 Sr) investigation was conducted on the Dengying Formation at the Gaojiashan section, Ningqiang County of southern Shaanxi Province, South China. Sedimentological results reveal an overall shallow-marine...
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Journal Article
Journal: GSA Bulletin
Published: 01 November 2008
GSA Bulletin (2008) 120 (11-12): 1478–1492.
... in the northwestern Yangtze block, South China. The Bikou basalts are mainly tholeiitic in composition, and they can be stratigraphically subdivided into the lower and upper groups. SHRIMP U-Pb zircon dating of intercalated rhyolites indicates that the lower and upper group basalts were erupted at 821 ± 7 Ma and 811...
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Journal Article
Published: 16 May 2017
Geochemistry: Exploration, Environment, Analysis (2017) 17 (3): 239–251.
...Jiangnan Zhao; Shouyu Chen; Renguang Zuo Abstract To identify geochemical signatures related to deposit-type sought, staged factor analysis (SFA), fractal and multifractal methodologies were utilized to process the lithogeochemical data in the Laochang district, Yunnan province, SE China...
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Journal Article
Published: 01 November 2000
Geological Magazine (2000) 137 (6): 623–650.
... of this interval are not complete in many parts of the world. Based on studies of 43 sites in South China, in particular the continuous sections on the Yangtze platform, we recognize a complete succession including seven graptolite zones and two shelly faunas. In ascending order, the graptolite zones...
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Journal Article
Published: 09 January 2017
Geological Magazine (2017) 154 (6): 1294–1305.
... China. The Ningqiang and Xixiang areas were palaeogeographically located on the northwestern margin of the Yangtze Platform during Ediacaran and Cambrian times. The fossil-bearing beds belong to the classic Anabarites trisulcatus – Protohertzina anabarica small shelly fossil biozone, indicating...
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Journal Article
Published: 01 November 2010
Bulletin of the Seismological Society of America (2010) 100 (5B): 2815–2824.
... variations and earthquakes in China. Before the Wenchuan ( M w 7.9) earthquake, a group of researchers at the Second Crust Monitoring and Application Center of China Earthquake Administration noticed significant gravity changes in a region covering the well-known south–north earthquake belt in China...
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Journal Article
Published: 29 June 2017
Journal of Paleontology (2018) 92 (1): 3–13.
..., exceptionally well-preserved specimen of tetramerous Carinachites spinatus Qian, 1977, collected from the lower Cambrian Kuanchuanpu Formation in South China, reveals: (1) that its aperture is connected to a small mass of relic soft tissue and (2) that the apertural end of each of the four faces is developed...
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Journal Article
Published: 01 January 2017
American Mineralogist (2017) 102 (1): 98–107.
... and Tait (2015) proposed that the P-rich olivine in pallasite formed by extremely rapid crystallization from a melt. The other extraterrestrial P-rich olivine (0.2–3.9 wt% P 2 O 5 ) was described in the altered opaque assemblages from the Ningqiang carbonaceous chondrite ( Wang et al. 2007 ). Wang et al...
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Journal Article
Journal: Geology
Published: 01 April 2005
Geology (2005) 33 (4): 277–280.
... of south China confirms that Cloudina tubes consist of eccentrically and sometimes deeply nested funnels and that the tubes lack transverse cross-walls, inconsistent with the traditional cone-in-cone morphological reconstruction. Tube walls are composed of micrometer-sized, more or less equant crystals...
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Journal Article
Published: 24 May 2018
Journal of Paleontology (2018) 92 (6): 982–1004.
... from the Ningqiang Formation (middle Telychian) of the Ningqiang area, southern Shanxi Province, by staff members of the former Research Group of Stratigraphy and Palaeontology at China University of Geosciences (Beijing) several times in 1981, 1992, and 2002. Morphological terminology used herein...
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Journal Article
Journal: Geology
Published: 28 February 2019
Geology (2019) 47 (4): 380–384.
... acritarchs from China : Palaeontology , v. 48 , p. 687 – 708 , https://doi.org/10.1111/j.1475-4983.2005.00484.x . Yin , L. , 1987 , New data of microfossils from Precambrian–Cambrian cherts in Ningqiang, southern Shaanxi : Acta Palaeontologica Sinica , v. 26 , p. 187 – 195 (in Chinese...
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Journal Article
Published: 13 February 2017
Geological Magazine (2017) 154 (6): 1217–1231.
...SOO YEUN AHN; MAOYAN ZHU Abstract The Asteridium–Heliosphaeridium–Comasphaeridium (AHC) acritarch assemblage is composed of common organic-walled microfossils in the basal Cambrian chert–phosphorite units in South China, indicating that the AHC assemblage can be a useful biostratigraphic tool...
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Journal Article
Journal: PALAIOS
Published: 01 August 2010
PALAIOS (2010) 25 (8): 487–506.
...YAOPING CAI; HONG HUA; SHUHAI XIAO; JAMES D. SCHIFFBAUER; PENG LI Abstract The upper Ediacaran Gaojiashan Lagerstätte (551–541 Ma) in southern Shaanxi Province, South China, hosts a variety of soft-bodied or lightly biomineralized tubular fossils ( Shaanxilithes , Conotubus , Gaojiashania...
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Journal Article
Journal: PALAIOS
Published: 01 May 2012
PALAIOS (2012) 27 (5): 354–372.
...FIGURE 1— Geological map and stratigraphic column. A) Geological map of the Ningqiang area showing the location of the Gaojiashan section. Inset shows important tectonic blocks in China, with the Ningqiang area (box) located in the northwestern margin of the Yangtze block. Modified from Cai et...
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Journal Article
Published: 01 January 2009
Journal of Paleontology (2009) 83 (1): 30–44.
... the primary producers—cyanobacteria and eukaryotic phytoplankton (e.g., acritarchs)—is limited. In this research, we have investigated basal Cambrian acritarchs, coccoidal microfossils, and cyanobacteria preserved in phosphorites and cherts of the Yanjiahe Formation in the Yangtze Gorges area (South China...
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