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The Distribution of Clay Minerals in the Middle 3rd Member of Shahejie Formation in Dongying Depression and its Main Controlling Factors
Abstract:
Clay minerals are widely distributed in the middle 3rd member of Shahejie Formation (Es3) in Dongying Depression. Based on the types, contents and combination features of clay minerals, this paper studies the transverse distribution regularities of clay minerals in this strata. Through the study, it can be found that the main types of clay minerals include kaolinites, illites, chlorites, illites/smectites. By adopting the single factor analysis method, the planar distribution of the main clay minerals is studied and the main controlling factors for the distribution of clay minerals are comprehensively analyzed. The research shows that different types of parent rocks determine the original components of clay minerals, warm and humid climate influences the weathering of clay minerals, sedimentary environment provides the condition for deposition and preservation, and diagenesis changes the components of parts of clay minerals.
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463-466
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August 2013
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© 2013 Trans Tech Publications Ltd. All Rights Reserved
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