2004 Vol. 22, No. 4
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Display Method:
2004, 22(4): 560-565.
Abstract:
The climbing ripple cross lamination is especially well developed and widely distributed in the early Oligocene Yaxicuo Group sandstone of the Hoh Xil Basin, northern Tibetan Plateau. The small scale cross lamination is formed from the upward movemen...
The climbing ripple cross lamination is especially well developed and widely distributed in the early Oligocene Yaxicuo Group sandstone of the Hoh Xil Basin, northern Tibetan Plateau. The small scale cross lamination is formed from the upward movemen...
2004, 22(4): 573-578.
Abstract:
According to the in door flume experiment simulations, the formation of fluxoturbidite in front of delta is studied. It is summarized that there are four kinds of fluxoturbidite in front of delta. They are the fluxoturbidite with no trigger action an...
According to the in door flume experiment simulations, the formation of fluxoturbidite in front of delta is studied. It is summarized that there are four kinds of fluxoturbidite in front of delta. They are the fluxoturbidite with no trigger action an...
2004, 22(4): 588-596.
Abstract:
The Cambrian in the southeast of Qian is composed of typical carbonate rocks, which are widespread and better reservoirs. In order to understand the lithology, porosity and so on, in this paper, we took the Cambian in Sandu Danzhai to analyze petrogr...
The Cambrian in the southeast of Qian is composed of typical carbonate rocks, which are widespread and better reservoirs. In order to understand the lithology, porosity and so on, in this paper, we took the Cambian in Sandu Danzhai to analyze petrogr...
2004, 22(4): 603-608.
Abstract:
Carbon isotopic records from Europe, America, African, and Australia show two δ13 C positive excursions in the upper Devonian, which occur in the late rhenana and F F boundary, respectively. However, the pattern of δ13 C variations from southern Chin...
Carbon isotopic records from Europe, America, African, and Australia show two δ13 C positive excursions in the upper Devonian, which occur in the late rhenana and F F boundary, respectively. However, the pattern of δ13 C variations from southern Chin...
2004, 22(4): 621-627.
Abstract:
A film of pyrites was discovered on the interface of Lower Sinian Sidingshan Formation and Fengtai conglomerate, at Sishilichangshan Mountains in the south margin of the North China Block. The macroscopic, microscopic and geochemical studies of the f...
A film of pyrites was discovered on the interface of Lower Sinian Sidingshan Formation and Fengtai conglomerate, at Sishilichangshan Mountains in the south margin of the North China Block. The macroscopic, microscopic and geochemical studies of the f...
2004, 22(4): 644-650.
Abstract:
Based on drilling, logging and seismic data, classification correlation of sequence strata has been performed. Formation of lower Cretaceous can be divided into 3 super sequences and 6 tertiary sequences. Lithology, sedimentary facies, system develop...
Based on drilling, logging and seismic data, classification correlation of sequence strata has been performed. Formation of lower Cretaceous can be divided into 3 super sequences and 6 tertiary sequences. Lithology, sedimentary facies, system develop...
2004, 22(4): 658-663.
Abstract:
Magnetic properties of sediments from the Changjiang and the Huanghe Estuaries have been studied on the basis of magnetic measurement and grain size analysis. The results show that the magnetic properties of the sediments are dominated by ferrimagnet...
Magnetic properties of sediments from the Changjiang and the Huanghe Estuaries have been studied on the basis of magnetic measurement and grain size analysis. The results show that the magnetic properties of the sediments are dominated by ferrimagnet...
2004, 22(4): 672-675.
Abstract:
The contents of organic carbon and nitrogen were measured and DNA was extracted in the sediments of Lake Erhai. The distribution of organic carbon and nitrogen is consistent, i.e. degradation of organic carbon and nitrogen occurred in 10cm surface se...
The contents of organic carbon and nitrogen were measured and DNA was extracted in the sediments of Lake Erhai. The distribution of organic carbon and nitrogen is consistent, i.e. degradation of organic carbon and nitrogen occurred in 10cm surface se...
2004, 22(4): 683-688.
Abstract:
The natural gases of Kela 2 and Ake 1 are similarly very "dry" in component and more "heavier" in carbon isotopes, such as dry coefficient (bulk ratio of methane to total hydrocarbons) of Kela 2 gas and Ake 1gas near 1.0, δ13 C1 value (methane carbon...
The natural gases of Kela 2 and Ake 1 are similarly very "dry" in component and more "heavier" in carbon isotopes, such as dry coefficient (bulk ratio of methane to total hydrocarbons) of Kela 2 gas and Ake 1gas near 1.0, δ13 C1 value (methane carbon...
2004, 22(4): 694-699.
Abstract:
For a crude oil sample from Ordovician reservoir in Well Caogu100 Ping 19 in Jiyang depression, Shengli Oilfield, North China, hydrocarbons except for tricyclic terpane, hopane and 25 norhopane homologues were completely depleted in saturated fractio...
For a crude oil sample from Ordovician reservoir in Well Caogu100 Ping 19 in Jiyang depression, Shengli Oilfield, North China, hydrocarbons except for tricyclic terpane, hopane and 25 norhopane homologues were completely depleted in saturated fractio...
2004, 22(4): 707-710.
Abstract:
Nitrogen isotopic ratio of several oils with different physical and chemical qualities from Lengdong zone in Liaohe oil field is analyzed to understand the mechanism of nitrogen isotopic fractionation and the metabolism of nitrogen bearing compounds ...
Nitrogen isotopic ratio of several oils with different physical and chemical qualities from Lengdong zone in Liaohe oil field is analyzed to understand the mechanism of nitrogen isotopic fractionation and the metabolism of nitrogen bearing compounds ...
2004, 22(4): 718-723.
Abstract:
The gas potential and generation model of type Ⅰ,Ⅱ 1,Ⅱ 2 and Ⅲ organic matter in the open system have been studied. The thermal simulations with type Ⅱ 1 organic matter in the open and closed pyrolysis systems have been carried out and gas generation...
The gas potential and generation model of type Ⅰ,Ⅱ 1,Ⅱ 2 and Ⅲ organic matter in the open system have been studied. The thermal simulations with type Ⅱ 1 organic matter in the open and closed pyrolysis systems have been carried out and gas generation...
2004, 22(4): 729-736.
Abstract:
On the basis of biomarkers in Carboniferous source rocks and coals from the northeastern portion of Qaidam basin, it can be seen that these samples have reached high maturation stage during their thermal evolution, and the organic sources are mainly ...
On the basis of biomarkers in Carboniferous source rocks and coals from the northeastern portion of Qaidam basin, it can be seen that these samples have reached high maturation stage during their thermal evolution, and the organic sources are mainly ...
2004, 22(4): 743-749.
Abstract:
Organic -inorganic reactions in the process TSR (Thermochemical Sulfate Reduction) are the main reasons to re - sult in hydrocarbon disappearance. Metal sulfide formation is very important in geochemical cycle of C -S -O system. In this paper, therma...
Organic -inorganic reactions in the process TSR (Thermochemical Sulfate Reduction) are the main reasons to re - sult in hydrocarbon disappearance. Metal sulfide formation is very important in geochemical cycle of C -S -O system. In this paper, therma...
2004, 22(4): 566-572.
Abstract:
The Early Cretaceous Heishidu Formation (HsdF), distributed between the southern Xiaotian Mozitang fault (XMF) and northern Jinzhai Xianghongdian Xitanchi fault in the north margin of the Dabie Mountains, elongates in east westward, and thickness is ...
The Early Cretaceous Heishidu Formation (HsdF), distributed between the southern Xiaotian Mozitang fault (XMF) and northern Jinzhai Xianghongdian Xitanchi fault in the north margin of the Dabie Mountains, elongates in east westward, and thickness is ...
2004, 22(4): 579-587.
Abstract:
The Permian Chihsia Formation of South China is a unique carbonate succession, which is rich in organic matter and chert nodule, and is characterized by the great lateral persistence with little variation in lithofacies and strata thickness. Two spec...
The Permian Chihsia Formation of South China is a unique carbonate succession, which is rich in organic matter and chert nodule, and is characterized by the great lateral persistence with little variation in lithofacies and strata thickness. Two spec...
2004, 22(4): 597-602.
Abstract:
Experiments were performed to investigate the effects of mono functional and bi functional carboxylic acids on microcline at different temperatures. The experimental results are as follows: As temperatures arises, the concentrations and mobility of A...
Experiments were performed to investigate the effects of mono functional and bi functional carboxylic acids on microcline at different temperatures. The experimental results are as follows: As temperatures arises, the concentrations and mobility of A...
2004, 22(4): 609-613.
Abstract:
The hydrothermal sediments from Jade hydrothermal field are mainly composed of massive sulfide ore and massive sulfate ore. The massive sulfide ore is characterized as the richness of Pb and Ag. According to electron microprobe analysis and neutron a...
The hydrothermal sediments from Jade hydrothermal field are mainly composed of massive sulfide ore and massive sulfate ore. The massive sulfide ore is characterized as the richness of Pb and Ag. According to electron microprobe analysis and neutron a...
2004, 22(4): 628-635.
Abstract:
Arc shaped fault system of Dongying depression is composed of 3 circle belts. Syndepositional faulting in these circle belts caused the development of syndeposotional fault break slope, which further controlled the distribution of subsidence centers,...
Arc shaped fault system of Dongying depression is composed of 3 circle belts. Syndepositional faulting in these circle belts caused the development of syndeposotional fault break slope, which further controlled the distribution of subsidence centers,...
2004, 22(4): 651-657.
Abstract:
Piston Core DGKS9617, which is located in northern part of the East China Sea, is divided into two sedimentary facies: tidal shallow marine facies (55 851cm), in which tidal current played an important role in the sedimentation of this part, and shal...
Piston Core DGKS9617, which is located in northern part of the East China Sea, is divided into two sedimentary facies: tidal shallow marine facies (55 851cm), in which tidal current played an important role in the sedimentation of this part, and shal...
2004, 22(4): 664-671.
Abstract:
Few fossils were found previously in early Early Cambrian black shale, such as sponges. With the deepening of the research, many phyla have been discovered recently. A lot of carbon fossils were found in early Early Cambrian black shale of Guizhou Pr...
Few fossils were found previously in early Early Cambrian black shale, such as sponges. With the deepening of the research, many phyla have been discovered recently. A lot of carbon fossils were found in early Early Cambrian black shale of Guizhou Pr...
2004, 22(4): 676-682.
Abstract:
Based on the lithostratigraphical subdivision with reference to the chronological data in the Milanggouwan section located at Salawusu River Valley of the southeastern margin of Mu Us Desert, Ordos Plateau, China, some ideas have been put forward in ...
Based on the lithostratigraphical subdivision with reference to the chronological data in the Milanggouwan section located at Salawusu River Valley of the southeastern margin of Mu Us Desert, Ordos Plateau, China, some ideas have been put forward in ...
2004, 22(4): 689-693.
Abstract:
Artificial mixed experiment and geochemical characteristics of mixed oils between coal formed oil and Paleocene Tertiary oil from Suqiao-Wenan Area in Jidong Depression have been analyzed and studied systematically, the results suggest that the absol...
Artificial mixed experiment and geochemical characteristics of mixed oils between coal formed oil and Paleocene Tertiary oil from Suqiao-Wenan Area in Jidong Depression have been analyzed and studied systematically, the results suggest that the absol...
2004, 22(4): 700-706.
Abstract:
The western slope of Songliao Basin spans two oil areas of Daqing and Jilin and its prospecting area is about 4.3×10 4 km 2 . The following oil and gas fields, Fulaerji and Taobao oil field, Pingyang oil and gas field, Tumuji oil sand, Alaxin, Erzhan...
The western slope of Songliao Basin spans two oil areas of Daqing and Jilin and its prospecting area is about 4.3×10 4 km 2 . The following oil and gas fields, Fulaerji and Taobao oil field, Pingyang oil and gas field, Tumuji oil sand, Alaxin, Erzhan...
2004, 22(4): 711-717.
Abstract:
A new method is developed to determine aliphatic content of kerogen using quantitative Fourier transform infrared spectra. The method uses micritic paraffin as reference standards, which consist of pure aliphatic chains. To discuss the experimental f...
A new method is developed to determine aliphatic content of kerogen using quantitative Fourier transform infrared spectra. The method uses micritic paraffin as reference standards, which consist of pure aliphatic chains. To discuss the experimental f...
2004, 22(4): 724-728.
Abstract:
A low mature coal (VRr=0.6%, from Manjia'er Depression, Tarim Basin, China in Jurassic system) was subjected to the closed system pyrolysis, in sealed gold tubes, under isothermal temperature conditions, ranging from 250 to 550 ℃ at temperature inter...
A low mature coal (VRr=0.6%, from Manjia'er Depression, Tarim Basin, China in Jurassic system) was subjected to the closed system pyrolysis, in sealed gold tubes, under isothermal temperature conditions, ranging from 250 to 550 ℃ at temperature inter...
2004, 22(4): 737-742.
Abstract:
Overpressure developed in Banqiao Sag, Eastern China, and obvious overpressure retardation of organic matter maturation was found in Well BS35. Such an organic matter maturity anomaly is distinctly different from those caused by variation in activati...
Overpressure developed in Banqiao Sag, Eastern China, and obvious overpressure retardation of organic matter maturation was found in Well BS35. Such an organic matter maturity anomaly is distinctly different from those caused by variation in activati...
