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田兰兰,March 28, 2019
大家好，下次的组会（4月1日）我的组会报告是关于湖北之行的野外汇报以及相关文献的综述,简要的介绍如下：
1.去地大武汉沈俊老师组里获取的黑海现代沉积物样品以及下寒武统的热液重晶石样品；
2.宜昌三峡九龙湾剖面的简单介绍，地层由老至新为新元古代sturtion冰期前莲沱组砂岩、上覆不整合接触南沱组冰碛岩（marinoan冰期）、陡山沱组碳酸盐和页岩，灯影组白云岩，新远古-寒武纪交界的岩家河组白云岩和页岩，下寒武统水井沱组页岩和碳酸岩。
3.样品采集：陡山沱组4段黑色页岩中锅底灰岩（包含重晶石）。
4.文献综述主要是涉及每个时代地层中的一些故事，主要包括：
Jiang, G., Kennedy, M.J., Christie-Blick, N., 2003. Stable isotopic evidence for methane seeps in Neoproterozoic postglacial cap carbonates. Nature 426, 822–826
Wei, G.-Y., A. vS Hood, X. Chen, et al., Ca and Sr isotope constraints on the formation of the Marinoan cap dolostones. Earth Planet. Sci. Lett., 2019, 511(202-212.
Sahoo, S.K., N.J. Planavsky, B. Kendall, et al., Ocean oxygenation in the wake of the Marinoan glaciation. Nature, 2012, 489(7417), 546.
Li, C., G.D. Love, T.W. Lyons, et al., A stratified redox model for the Ediacaran ocean. Science, 2010, 328(5974), 80-83.
Kendall, B., T. Komiya, T.W. Lyons, et al., Uranium and molybdenum isotope evidence for an episode of widespread ocean oxygenation during the late Ediacaran Period. Geochim. Cosmochim. Acta, 2015, 156(173-193).
McFadden, K.A., J. Huang, X. Chu, et al., Pulsed oxidation and biological evolution in the Ediacaran Doushantuo Formation. Proceedings of the National Academy of Sciences, 2008, 105(9), 3197-3202.
Georgiev, S., H.J. Stein, J.L. Hannah, et al., Hot acidic Late Permian seas stifle life in record time. Earth Planet. Sci. Lett., 2011, 310(3), 389-400.
Wei, W., R. Frei, G.J. Gilleaudeau, et al., Oxygenation variations in the atmosphere and shallow seawaters of the Yangtze Platform during the Ediacaran Period: Clues from Cr-isotope and Ce-anomaly in carbonates. Precambrian Research, 2018, 313(78-90).
Zhang, F., S. Xiao, B. Kendall, et al., Extensive marine anoxia during the terminal Ediacaran Period. Science advances, 2018, 4(6), eaan8983.
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