Provenance analysis of Chang 6 oil-bearing formation of Baibao-Huachi region in Ordos Basin
Online published: 2007-03-15
Provenance analysis mainly includes comparison of debris compositions, heavy mineral assemblages,sedimentary facies, geochemical analysis,cathodoluminescence image of quartz and so on.The research area is relatively large and it is influenced by multiple sediment supplies,so multiple analysis methods are adopted to define the characteristics of source rocks and source direction of Chang 6 oilbearing formation in Baibao-Huachi region.Furthermore mainly by contrast analysis between debris compositions and light/heavy mineral assemblage and quartz cathodoluminescence analysis,two material source directions existing in the research area a reproved.The main material source direction is located in the north and northeast of the research area,and the source rocks are ancient hybridization rocks of granite and low-middle/middle rank metamorphic rocks that come from ancientland of Yin Mountain in north Ordos Basin; the secondary material source direction is in the southwest,and the source rock is located in Lower Palaeozoic strata which come from Kongtong Mountain in southwest of Ordos Basin.
SHI Lanting , LI Bencai , GONG Gu , LI Nan , DING Ye . Provenance analysis of Chang 6 oil-bearing formation of Baibao-Huachi region in Ordos Basin[J]. Lithologic Reservoirs, 2007 , 19(1) : 32 -38 . DOI: 10.3969/j.issn.1673-8926.2007.01.006
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