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《Geological Review》 2014-01
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Interpretation of Rich Organic Matter in Swine Limestone Member of the Permian Chihsia Formation,Chaobei,Anhui

LU Lu;LI Zhuangfu;KANG Peng;ZHANG Xin;School of Resource and Earth Science,China University of Mining and Technology;  
Research Swine Limestone Member of the Permian Chihsia(Qixia) Formation in Chaobei,Anhui, aimed at discussing the relationship between rich organic deposits and Tempestite Sediments. Swine Limestone Member is generally composed of limestone( grey black,medium-bedded) and a small amount of calcareous mud stones( grey black,few millimeters or centimeters thick) which are sandwiched between above limestone layers. This set of strata contains a lot of fossil remains which reflect tropical or subtropical zone,normal salinity,natural shallow sea environment. According to the petrologic,palaeontological and sedimentological features,the study indicates that Swine Limestone Member generally deposits in normal shallow sea carbonate platform,the water in which is not dysoxic or anoxic. Based on the large biomass liveweight,the rich organic feature of Swine Limestone Member would profit from more rapid and large deposits by frequent storms. In rapid deposition conditions,organic matter could not be oxidized before being buried rapidly. Frequent storms due to the relatively low palaeolatitude in the deposition period.
【Fund】: 中国煤炭地质总局广西煤炭地质局委托开发项目(编号:2012060013);; 中国矿业大学研究生实践与科研创新项目(编号:GSF121101)的成果
【CateGory Index】: P619.213
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