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《JOURNAL OF CHENGDU UNIVERSITY OF TECHNOLOGY》 1998-03
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FILLING DOLOMITES AND PALEOKARST OF SINIAN IN ZIYANG AREA

Xiang Fang, Zhang Jingquan,Chen Hongde (Chengdu University of Technology, China)  
On the basis of analysing mineralogical feature, filling form, geochemical feature of filling dolomites, two kinds of dolomites have been found: 1.fibrous dolomite which makes up of grape laces and powder fine crystal dolomite, which are associated with meteorological water and formed at penecontemporaneous stage and weathering stage; 2. laminar dolomite and white coarsely dolomite, which formed under burial conditions. Using all of these features and the data of regional tectonic history and basin evolution history, a conclusion that Sinian strata had experienced weathering kastification and burial kastification can be drawn and this conclusion is very useful to studing natural gas reservoir in this area.
【CateGory Index】: P642.25,P578.61
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【Citations】
Chinese Journal Full-text Database 3 Hits
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