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2016 Vol. 27, No. 2

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2016, 27(2): .
[Abstract](53) [PDF 339KB](4)
Abstract:
Special Isuue on Atmospheric and Oceanic Oxygenation and Evolution of Early Life on Earth
Atmospheric and Oceanic Oxygenation and Evolution of Early Life on Earth: New Contributions from China
Chao Li, Maoyan Zhu, Xuelei Chu
2016, 27(2): 167-169. doi: 10.1007/s12583-016-0697-1
[Abstract](623) [FullText HTML] (100) [PDF 221KB](304) [Cited by] (6)
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Sulfur and Oxygen Isotopes of Sulfate Extracted from Early Cambrian Phosphorite Nodules: Implications for Marine Redox Evolution in the Yangtze Platform
Wenlang Qiao, Xianguo Lang, Yongbo Peng, Kaiyuan Jiang, Wu Chen, Kangjun Huang, Bing Shen
2016, 27(2): 170-179. doi: 10.1007/s12583-016-0688-2
[Abstract](1135) [FullText HTML] (309) [PDF 1759KB](357) [Cited by] (10)
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Phosphorite nodule beds are discovered in the black shale of basal Niutitang Formation throughout the Yangtze Platform in South China, recording an important phosphorite-generation event. Platform-wide phosphorite precipitation requires special oceanographic and geochemical conditions, thus the orig...
Early-Middle Cambrian Palynomorph Microfossils and Related Geochemical Events in South China
Leiming Yin, Chunjiang Wang, Yuanlong Zhao, Zhiji Ou
2016, 27(2): 180-186. doi: 10.1007/s12583-016-0689-1
[Abstract](5855) [FullText HTML] (649) [PDF 2568KB](616) [Cited by] (9)
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The earliest Cambrian acritarch 'Asteridium-Heliosphaeridium-Comasphaeridium' assemblage and the Early Cambrian ('Chiungchussuan') acritarch 'Skiagia ornate-Fimbriaglomerella membranacea' assemblage in South China can be correlated with assemblages from synchronous strata elsewhere in the world. Rec...
Oxygen Requirements for the Cambrian Explosion
Xingliang Zhang, Linhao Cui
2016, 27(2): 187-195. doi: 10.1007/s12583-016-0690-8
[Abstract](821) [FullText HTML] (424) [PDF 851KB](271) [Cited by] (36)
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Hypoxic tolerance experiments may be helpful to constrain the oxygen requirement for animal evolution. Based on literature review, available data demonstrate that fishes are more sensitive to hypoxia than crustaceans and echinoderms, which in turn are more sensitive than annelids, whilst mollusks ar...
Secondary Phosphatization of the Earliest Cambrian Small Shelly Fossil Anabarites from Southern Shaanxi
Yali Chen, Xuelei Chu, Xingliang Zhang, Mingguo Zhai
2016, 27(2): 196-203. doi: 10.1007/s12583-016-0691-7
[Abstract](596) [FullText HTML] (134) [PDF 3067KB](323) [Cited by] (2)
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Biomineralization may have an extremely long evolutionary history since the Paleoarchean, while the widespread biomineralization among metazoan lineages started at the earliest Cambrian. However, the primary mineralogy of Anabarites shell remains controversial. Optical microscopic observations combi...
Rare Earth Element Geochemistry of Phosphatic Rocks in Neoproterozoic Ediacaran Doushantuo Formation in Hushan Section from the Yangtze Gorges Area, South China
Hong Xin, Shaoyong Jiang, Jinghong Yang, Heping Wu, Daohui Pi
2016, 27(2): 204-210. doi: 10.1007/s12583-015-0653-5
[Abstract](1006) [FullText HTML] (311) [PDF 370KB](214) [Cited by] (28)
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Phosphatic rocks are widely distributed in Neoproterozoic Ediacaran Doushantuo Formation in Yangtze Gorges Area, South China. In this study, rare earth element geochemistry of eight phosphatic rock samples from the Hushan Section has been studied. All the samples display typical hat-shaped REE patte...
Contribution of Oxygenic Photosynthesis to Palaeo-Oceanic Organic Carbon Sink Fluxes in Early Cambrian Upper Yangtze Shallow Sea: Evidence from Black Shale Record
Kunyu Wu, Tingshan Zhang, Yang Yang, Yuchuan Sun, Daoxian Yuan
2016, 27(2): 211-224. doi: 10.1007/s12583-016-0693-5
[Abstract](502) [FullText HTML] (128) [PDF 1247KB](241) [Cited by] (7)
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The extensive transgression that occurred on the Yangtze Plate in Early Cambrian led to a massive organic carbon pool in the Niutitang Formation. A black shale core section from 3 251.08 to 3 436.08 m beneath the Earth's surface was studied to estimate the contribution of oxygenic photosynthesis to ...
The Pre-Sturtian Negative δ13C Excursion of the Dajiangbian Formation Deposited on the Western Margin of Cathaysia Block in South China
Lianjun Feng, Qirui Zhang
2016, 27(2): 225-232. doi: 10.1007/s12583-016-0665-9
[Abstract](646) [FullText HTML] (215) [PDF 1509KB](229) [Cited by] (4)
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The Dajiangbian Formation in South China is a siliciclastic-dominated sedimentary succession with low-grade metamorphism deposited on the western margin of the Cathaysia Block, and is capped by a glaciogenic diamictite (the Sizhoushan Formation). The Sizhoushan glaciogenic strata can be attributed t...
The Marine Redox Change and Nitrogen Cycle in the Early Cryogenian Interglacial Time: Evidence from Nitrogen Isotopes and Mo Contents of the Basal Datangpo Formation, Northeastern Guizhou, South China
Wei Wei, Dan Wang, Da Li, Hongfei Ling, Xi Chen, Guangyi Wei, Feifei Zhang, Xiangkun Zhu, Bin Yan
2016, 27(2): 233-241. doi: 10.1007/s12583-015-0657-1
[Abstract](959) [FullText HTML] (421) [PDF 327KB](221) [Cited by] (20)
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Cryogenian Datangpo Formation was deposited during the interglacial time between the Sturtian and Marinoan ice ages. We studied nitrogen isotope compositions and contents of Mo of the black shales from the basal Datangpo Formation in northeastern Guizhou, South China, for an attempt to reconstruct t...
Marine Carbon-Sulfur Biogeochemical Cycles during the Steptoean Positive Carbon Isotope Excursion (SPICE) in the Jiangnan Basin, South China
Yang Peng, Yongbo Peng, Xianguo Lang, Haoran Ma, Kangjun Huang, Fangbing Li, Bing Shen
2016, 27(2): 242-254. doi: 10.1007/s12583-016-0694-4
[Abstract](932) [FullText HTML] (196) [PDF 2746KB](236) [Cited by] (20)
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Global occurrences of Steptoean Positive Carbon Isotope Excursion (SPICE) during Late Cambrian recorded a significant perturbation in marine carbon cycle, and might have had profound impacts on the biological evolution. In previous studies, SPICE has been reported from the Jiangnan slope belt in Sou...
The Ocean Redox State Evolution and Its Controls during the Cambrian Series 1–2: Evidence from Lijiatuo Section, South China
Lei Xiang, Chunfang Cai, Xunyun He, Lei Jiang, Yuyang Yuan, Tiankai Wang, Lianqi Jia, Lei Yu
2016, 27(2): 255-270. doi: 10.1007/s12583-016-0695-3
[Abstract](773) [FullText HTML] (169) [PDF 471KB](151) [Cited by] (7)
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Well-exposed Lijiatuo Section was chosen to explore the temporal evolution and controls of the oceanic redox state, primary productivity and seawater sulfate levels during the Cambrian Series 1-2, South China. This section consists of Xiaoyanxi Formation (Fm.) mudstones and Liuchapo Fm. cherts that ...
New Re-Os Isotopic Constrains on the Formation of the Metalliferous Deposits of the Lower Cambrian Niutitang Formation
Yong Fu, Lin Dong, Chao Li, Wenjun Qu, Haoxiang Pei, Wenlang Qiao, Bing Shen
2016, 27(2): 271-281. doi: 10.1007/s12583-016-0606-7
[Abstract](755) [FullText HTML] (211) [PDF 1862KB](292) [Cited by] (30)
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The Terreneuvian Epoch (541–521 Ma)is also an important period for metallogenesis in South China, as was represented by the widespread occurrences of Ni-Mo polymetallic layers on the antecedent shallow platform margin and the V-enriched black shales in deeper slope-basin settings. In this study, we ...
Marine Redox Conditions in the Early Cambrian Ocean: Insights from the Lower Cambrian Phosphorite Deposits, South China
Haifeng Fan, Hanjie Wen, Xiangkun Zhu
2016, 27(2): 282-296. doi: 10.1007/s12583-016-0687-3
[Abstract](859) [FullText HTML] (254) [PDF 2588KB](295) [Cited by] (29)
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It is generally considered that a significant change in oceanic redox conditions occurred during the Ediacaran-Cambrian transition. However, there are currently two major conflicting views on the degree of oxygenation of deep water (oxic vs. ferruginous) during this interval. To date, the oxygenatio...
The Termination and Aftermath of the Lomagundi-Jatuli Carbon Isotope Excursions in the Paleoproterozoic Hutuo Group, North China
Zhenbing She, Fanyan Yang, Wei Liu, Luhua Xie, Yusheng Wan, Chao Li, Dominic Papineau
2016, 27(2): 297-316. doi: 10.1007/s12583-015-0654-4
[Abstract](882) [FullText HTML] (253) [PDF 5185KB](413) [Cited by] (14)
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The Lomagundi-Jatuli Event (LJE) is one of the largest and earliest positive carbon isotope excursions preserving δ13Ccarb values between +5 and +16‰ in Paleoproterozoic carbonates worldwide. However, the duration, amplitude and patterns of these excursions remain poorly constrained. The 2.14-1.83 G...
Middle-Upper Ordovician (Darriwilian-Early Katian) Positive Carbon Isotope Excursions in the Northern Tarim Basin, Northwest China: Implications for Stratigraphic Correlation and Paleoclimate
Cunge Liu, Guorong Li, Dawei Wang, Yongli Liu, Mingxia Luo, Xiaoming Shao
2016, 27(2): 317-328. doi: 10.1007/s12583-016-0696-2
[Abstract](912) [FullText HTML] (146) [PDF 3995KB](368) [Cited by] (14)
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Three positive carbon isotope excursions are reported from Middle–Upper Ordovician in Tahe oil-gas field, northern Tarim Basin. Based on conodont biostratigraphy, the Middle Darriwilian Isotope Carbon Excursion (MDICE) and the Guttenberg Carbon Isotope Excursion (GICE) are identified from Darriwilia...

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