2017 Vol. 35, No. 4
Display Method:
2017, 35(4): 649-663.
doi: 10.14027/j.cnki.cjxb.2017.04.001
Abstract:
The red beds of late Cretaceous are widely and sporadically distributed in the western Qinling Mts. At late Cretaceous, the tectono-geomorphological features in the area are critical in elucidating the structural and geomorphological situation at the...
The red beds of late Cretaceous are widely and sporadically distributed in the western Qinling Mts. At late Cretaceous, the tectono-geomorphological features in the area are critical in elucidating the structural and geomorphological situation at the...
2017, 35(4): 664-680.
doi: 10.14027/j.cnki.cjxb.2017.04.002
Abstract:
Middle Ordovician Majiagou Group, widely distributed in North China, was characterized by layers of marine dolomitic limestones, calcareous dolostones and dolostones in Liujiang Basin, Qinhuangdao area, North China. Four types of carbonate rocks in M...
Middle Ordovician Majiagou Group, widely distributed in North China, was characterized by layers of marine dolomitic limestones, calcareous dolostones and dolostones in Liujiang Basin, Qinhuangdao area, North China. Four types of carbonate rocks in M...
2017, 35(4): 681-690.
doi: 10.14027/j.cnki.cjxb.2017.04.003
Abstract:
Calcareous concretions of different genesis have a great significance in the study of early diagenetic environment, the sedimentary water body and shale of compacted degree. By polishing, the calcareous concretion shows the interior textures includin...
Calcareous concretions of different genesis have a great significance in the study of early diagenetic environment, the sedimentary water body and shale of compacted degree. By polishing, the calcareous concretion shows the interior textures includin...
2017, 35(4): 691-704.
doi: 10.14027/j.cnki.cjxb.2017.04.004
Abstract:
Tuff intervals of Yangchang Formation are widespread in the south of Ordos basin, most of them are well documented at the bottom of Chang 7 segment. The geochronology and volcanic matters of tuff intervals have great significance on the formation of ...
Tuff intervals of Yangchang Formation are widespread in the south of Ordos basin, most of them are well documented at the bottom of Chang 7 segment. The geochronology and volcanic matters of tuff intervals have great significance on the formation of ...
2017, 35(4): 705-713.
doi: 10.14027/j.cnki.cjxb.2017.04.005
Abstract:
With the technologies of field outcrop section description, identification of thin sections, whole rock X-ray diffraction(XRD)analysis and trace element analysis, researchers have studied mineral components, sedimentary structures, rock types and sed...
With the technologies of field outcrop section description, identification of thin sections, whole rock X-ray diffraction(XRD)analysis and trace element analysis, researchers have studied mineral components, sedimentary structures, rock types and sed...
2017, 35(4): 714-729.
doi: 10.14027/j.cnki.cjxb.2017.04.006
Abstract:
Various trace-makers have been found in the soft ground of intertidal zone in Andong area, Hangzhou Bay. The trace-makers discovered in the study area include Bullacta exarata(Philippi), Cerithidea cingulata (Gmelin), Periophthalmus cantonensis(Osbec...
Various trace-makers have been found in the soft ground of intertidal zone in Andong area, Hangzhou Bay. The trace-makers discovered in the study area include Bullacta exarata(Philippi), Cerithidea cingulata (Gmelin), Periophthalmus cantonensis(Osbec...
2017, 35(4): 730-739.
doi: 10.14027/j.cnki.cjxb.2017.04.007
Abstract:
The ocean sediments are formed in surface water and finally preserved in sea floor. During this process, the sedimentary environment always changed. In this paper, the change characteristics of TOC(%), TOC flux and δ18O and δ13C values from Globigeri...
The ocean sediments are formed in surface water and finally preserved in sea floor. During this process, the sedimentary environment always changed. In this paper, the change characteristics of TOC(%), TOC flux and δ18O and δ13C values from Globigeri...
2017, 35(4): 740-751.
doi: 10.14027/j.cnki.cjxb.2017.04.008
Abstract:
With promotion of shale oil and gas development on intensive studies on depositional mechanisms of mudstone and shales, transportation and deposition of fine-grained sediment have currently become hot topics in both sedimentoligical studies and petro...
With promotion of shale oil and gas development on intensive studies on depositional mechanisms of mudstone and shales, transportation and deposition of fine-grained sediment have currently become hot topics in both sedimentoligical studies and petro...
2017, 35(4): 752-762.
doi: 10.14027/j.cnki.cjxb.2017.04.009
Abstract:
The Precambrian sedimentary strata in the southern margin of the North China Craton are well developed, and widely exposed, it has a high value to study further. But no unambiguous biogenic criteria exist to discriminate Precambrian ancient sedimenta...
The Precambrian sedimentary strata in the southern margin of the North China Craton are well developed, and widely exposed, it has a high value to study further. But no unambiguous biogenic criteria exist to discriminate Precambrian ancient sedimenta...
2017, 35(4): 763-771.
doi: 10.14027/j.cnki.cjxb.2017.04.010
Abstract:
Research of coarse-grained turbidite sediment waves in submarine channel-lobe system can deepen the geological understanding of deep-water transporting process. The special sedimentary bodies, which are easy to be reworked later found in a submarine ...
Research of coarse-grained turbidite sediment waves in submarine channel-lobe system can deepen the geological understanding of deep-water transporting process. The special sedimentary bodies, which are easy to be reworked later found in a submarine ...
2017, 35(4): 772-780.
doi: 10.14027/j.cnki.cjxb.2017.04.011
Abstract:
Shale samples are from Wufeng-Longmaxi Formation of Tianba area in northeast of Chongqing. The results showed that major components of the Wufeng-Longmaxi Formation mud shale were composed of quartz, clay minerals and feldspar. In addition, other min...
Shale samples are from Wufeng-Longmaxi Formation of Tianba area in northeast of Chongqing. The results showed that major components of the Wufeng-Longmaxi Formation mud shale were composed of quartz, clay minerals and feldspar. In addition, other min...
2017, 35(4): 781-788.
doi: 10.14027/j.cnki.cjxb.2017.04.012
Abstract:
The shale in Chang 7 oil-bearing formation of the upper Triassic Yanchang Formation, Ordos Basin, have always been considered as high quality hydrocarbon-source rock in past, but recent exploration shows this oil-bearing formation is a possible shale...
The shale in Chang 7 oil-bearing formation of the upper Triassic Yanchang Formation, Ordos Basin, have always been considered as high quality hydrocarbon-source rock in past, but recent exploration shows this oil-bearing formation is a possible shale...
2017, 35(4): 789-796.
doi: 10.14027/j.cnki.cjxb.2017.04.013
Abstract:
Based on core data description, logging data analyses, thin section analyses, SEM observations, X-ray diffraction (XRD) analysis, C/O isotopic analyses and trace element analyses, sedimentary facies and depositional environments of Permian carbonate ...
Based on core data description, logging data analyses, thin section analyses, SEM observations, X-ray diffraction (XRD) analysis, C/O isotopic analyses and trace element analyses, sedimentary facies and depositional environments of Permian carbonate ...
2017, 35(4): 797-811.
doi: 10.14027/j.cnki.cjxb.2017.04.014
Abstract:
Samples of core and formation water in Dengying Formation of central Sichuan Basin were studied for petrology and geochemistry in order to understand the evolution of carbonate sediment diagenesis and pore fluids. There are several shallow marine car...
Samples of core and formation water in Dengying Formation of central Sichuan Basin were studied for petrology and geochemistry in order to understand the evolution of carbonate sediment diagenesis and pore fluids. There are several shallow marine car...
2017, 35(4): 812-823.
doi: 10.14027/j.cnki.cjxb.2017.04.015
Abstract:
Based on the core observation, thin-section identification, physical property test and other technical methods, with porosity, reservoir space characteristics, diagenesis characteristics, reservoir pore throat size distribution characteristics and lu...
Based on the core observation, thin-section identification, physical property test and other technical methods, with porosity, reservoir space characteristics, diagenesis characteristics, reservoir pore throat size distribution characteristics and lu...
2017, 35(4): 824-833.
doi: 10.14027/j.cnki.cjxb.2017.04.016
Abstract:
Based on the analysis of source rock, reservoir, crude oil origin and spatial configuration relationship between source rock and reservoir, it was proposed of the stratiform and self-generating and self-preserving tight oil accumulation model of the ...
Based on the analysis of source rock, reservoir, crude oil origin and spatial configuration relationship between source rock and reservoir, it was proposed of the stratiform and self-generating and self-preserving tight oil accumulation model of the ...
2017, 35(4): 834-842.
doi: 10.14027/j.cnki.cjxb.2017.04.017
Abstract:
The tetracyclic polyprenoid compounds are the powerful tools for recognition of the fresh/brackish water algal input into lacustrine depositional setting of hydrocarbon source rocks.The tetracyclic polyprenoid compounds (TPP) are observed in the samp...
The tetracyclic polyprenoid compounds are the powerful tools for recognition of the fresh/brackish water algal input into lacustrine depositional setting of hydrocarbon source rocks.The tetracyclic polyprenoid compounds (TPP) are observed in the samp...
2017, 35(4): 843-852.
doi: 10.14027/j.cnki.cjxb.2017.04.018
Abstract:
Alkylbenzene series compounds widely distributed in the lithosphere, but its parent material source and the indicating significance is still in controversy. This paper focused on the samples of saturated hydrocarbon fractions which were from the Late...
Alkylbenzene series compounds widely distributed in the lithosphere, but its parent material source and the indicating significance is still in controversy. This paper focused on the samples of saturated hydrocarbon fractions which were from the Late...
2017, 35(4): 853-862.
doi: 10.14027/j.cnki.cjxb.2017.04.019
Abstract:
Taking source rock core samples collected from 6 wells of Majiagou Formation of Ordovician in Ordos Basin as the target, branched alkanes in the saturated hydrocarbons were investigated by GC/MS. The results show that there is relatively high abundan...
Taking source rock core samples collected from 6 wells of Majiagou Formation of Ordovician in Ordos Basin as the target, branched alkanes in the saturated hydrocarbons were investigated by GC/MS. The results show that there is relatively high abundan...
