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Extend the Ordos Basin in the mountains Chang 6 Sedimentary microfacies and sequence stratigraphy studies

Author: LiWenBin
Tutor: LinJinYan
School: Northwestern University
Course: Mineralogy,petrology, Mineral Deposit Geology
Keywords: Ordos Basin 6 of Yanchang Base level cycle Sedimentary microfacies
CLC: P618.13
Type: Master's thesis
Year: 2010
Downloads: 206
Quote: 1
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Abstract


Ordos Basin in the mountains and existing exploration and development in information to fully absorb the results of previous studies , the guidance of the basic principles of sedimentology, sequence stratigraphy , a combination of geophysical , geochemical and other research methods , combined with the wild outcrops, core analysis , drill logging data , the system type of research in the mountains Chang 6 reservoir sedimentary microfacies law plane distribution of sedimentary facies and sequence stratigraphy characteristics . Triassic Yanchang reference Ordos Basin stratigraphic classification scheme based on stratigraphic division based on the flag layer of the study area , rock electrical characteristics , depositional cycles of the Chang 6 oil , from top to bottom into long 61 length 62 , length 63 three layers. Sedimentary rock types and characteristics of the study area , sedimentary structures , constructed , paleontology , and logging flag analysis , to determine the Chang 6 oil delta plain and delta front subfacies further divided into the delta plain distributary channel , distributary channels and delta front underwater distributary channel interdistributary Bay estuary dam and other microfacies . Combined with previous data , the application of high resolution sequence stratigraphy principle , identify the study area Yanchang 4 52 - 6 of Yanchang short - term , medium-term and long-term base level cycle , carved out of a total of eight short-term cycles , three mid- cycle and two long-term cycles . The contrast in the study area within 6 and long 45 lower stratum of high resolution sequence stratigraphy framework .

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CLC: > Astronomy,Earth Sciences > Geology > Of ore deposits > Deposit classification > Fuel deposits > Oil, natural gas
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