2004 Vol. 22, No. 2
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Display Method:
2004, 22(2): 183-192.
Abstract:
Progress in Chinese fluvial sedimentology, beginning with the initial issue of ACTA SEDIMENTOLOGICA SINICA in 1983, have been reviewed respectively from the aspects of classification of stream, modern present deposits investigation, fluvial facies an...
Progress in Chinese fluvial sedimentology, beginning with the initial issue of ACTA SEDIMENTOLOGICA SINICA in 1983, have been reviewed respectively from the aspects of classification of stream, modern present deposits investigation, fluvial facies an...
2004, 22(2): 206-215.
Abstract:
The Altun rift system, located in the western Qaidam Basin, is a key large-scale thrusting-sliding rift system, by which, the two great basins—Qaidam and Tarim are separated. The fan-delta, which is themain subject in this paper, is well developed in...
The Altun rift system, located in the western Qaidam Basin, is a key large-scale thrusting-sliding rift system, by which, the two great basins—Qaidam and Tarim are separated. The fan-delta, which is themain subject in this paper, is well developed in...
2004, 22(2): 225-233.
Abstract:
Sedimentation during stage of Chang-8 deposition was controlled by a lacustrine delta system.The Chang-8 member is an important finger-bar reservoir-sandstone in Qingyang area. Sandstone reservoirs can be classified as compositionally immature feldsp...
Sedimentation during stage of Chang-8 deposition was controlled by a lacustrine delta system.The Chang-8 member is an important finger-bar reservoir-sandstone in Qingyang area. Sandstone reservoirs can be classified as compositionally immature feldsp...
2004, 22(2): 244-253.
Abstract:
There widely exists paleokarst reservoir associated with regional unconformitiesduring the oil and gas exploration in China. Based on the analysis of the paleokarst reservoirs in Ordovician gas field in Ordos basin, Ordovician oil/gas field in Tarim ...
There widely exists paleokarst reservoir associated with regional unconformitiesduring the oil and gas exploration in China. Based on the analysis of the paleokarst reservoirs in Ordovician gas field in Ordos basin, Ordovician oil/gas field in Tarim ...
2004, 22(2): 261-266.
Abstract:
Through the grain size analysis of sand dunes in the lower reach of the Tumen River, it is found that the frequency cumulative distribution curves are the double peak and the Sk i of the grains are negative,moreover, the change of the grain size is g...
Through the grain size analysis of sand dunes in the lower reach of the Tumen River, it is found that the frequency cumulative distribution curves are the double peak and the Sk i of the grains are negative,moreover, the change of the grain size is g...
2004, 22(2): 276-280.
Abstract:
It is indicated that glauconites have been found in Cenozoic group strata in Zhan-che sag of Jiyang depression by a variety of thin section identification, and which are all in the primary state. Though deposited in different epochs, they are relativ...
It is indicated that glauconites have been found in Cenozoic group strata in Zhan-che sag of Jiyang depression by a variety of thin section identification, and which are all in the primary state. Though deposited in different epochs, they are relativ...
2004, 22(2): 288-294.
Abstract:
The reduction of water hardness, which occurs at waterfalls on rivers in karst areas, is considered to be a result of the waterfall effects. These consist of aeration, jet-flow and low-pressure effects. Waterfall effects bring about two physical chan...
The reduction of water hardness, which occurs at waterfalls on rivers in karst areas, is considered to be a result of the waterfall effects. These consist of aeration, jet-flow and low-pressure effects. Waterfall effects bring about two physical chan...
2004, 22(2): 302-309.
Abstract:
This paper discusses high-resolution sequence in fan-delta sedmentary system, exemplifying T76 fan-delta of the fourth upper member of Shhejie formation in Shengbei fault's downthrown side of Dongying depression.Research shows that the high resolutio...
This paper discusses high-resolution sequence in fan-delta sedmentary system, exemplifying T76 fan-delta of the fourth upper member of Shhejie formation in Shengbei fault's downthrown side of Dongying depression.Research shows that the high resolutio...
2004, 22(2): 319-324.
Abstract:
On the basis of investigations on the distribution of source-rock in the sequence stratigraphic framework, a method is introduced to evaluate source rocks by combining geochemical logging data with sequence stratigraphy. Through the practice of evalu...
On the basis of investigations on the distribution of source-rock in the sequence stratigraphic framework, a method is introduced to evaluate source rocks by combining geochemical logging data with sequence stratigraphy. Through the practice of evalu...
2004, 22(2): 332-336.
Abstract:
Pedological and stratigraphic observations indicate that there is one paleosol layer on the Holocene loess profile in DPG site,Co. Xiangfen of Shanxi province. CaCO3 , TFe and clay analysis prove that pedological process started at the beginning of t...
Pedological and stratigraphic observations indicate that there is one paleosol layer on the Holocene loess profile in DPG site,Co. Xiangfen of Shanxi province. CaCO3 , TFe and clay analysis prove that pedological process started at the beginning of t...
2004, 22(2): 343-347.
Abstract:
Changes in the delivery of nutrients from land usage and anthropogenic emissions, are known to result in eutrophication in lakes. Both accumulation rates of total organic carbon and total nitrogen concentrations show increasing trends since 1970s, an...
Changes in the delivery of nutrients from land usage and anthropogenic emissions, are known to result in eutrophication in lakes. Both accumulation rates of total organic carbon and total nitrogen concentrations show increasing trends since 1970s, an...
2004, 22(2): 354-358.
Abstract:
An understanding of the ratio variation of chain alkane molecular components of oils in petroleum reservoir is important for successful study on reservoir formation and petroleum geochemistry. Pressure-falling and gas-washing fractionations, which ar...
An understanding of the ratio variation of chain alkane molecular components of oils in petroleum reservoir is important for successful study on reservoir formation and petroleum geochemistry. Pressure-falling and gas-washing fractionations, which ar...
2004, 22(2): 193-197.
Abstract:
Techniques and methods used forprediction of reservoirs and description of pertoleum accumulation have important effect in exploration and exploitation of engineering of oil and gas resource. However, their more abundant base connotations are taken i...
Techniques and methods used forprediction of reservoirs and description of pertoleum accumulation have important effect in exploration and exploitation of engineering of oil and gas resource. However, their more abundant base connotations are taken i...
2004, 22(2): 216-224.
Abstract:
Genetic types of tertiary lacustrine algal(cyanobacteria) limestones reservoirs in the western Qaidam basin mainly include:algal(cyanobacteria) flat limestones in littoral lake and algal(cyanobacteria) mound limestones in shallow lake.There are of co...
Genetic types of tertiary lacustrine algal(cyanobacteria) limestones reservoirs in the western Qaidam basin mainly include:algal(cyanobacteria) flat limestones in littoral lake and algal(cyanobacteria) mound limestones in shallow lake.There are of co...
2004, 22(2): 234-243.
Abstract:
The Upper Ordovician Midale Field is located in the northern Williston Basinin southeastern Saskatchewan, Canada.It consists of a serious of low-relief structural traps. The oil source rocks are the same or older stratigraphy in the southern basin ce...
The Upper Ordovician Midale Field is located in the northern Williston Basinin southeastern Saskatchewan, Canada.It consists of a serious of low-relief structural traps. The oil source rocks are the same or older stratigraphy in the southern basin ce...
2004, 22(2): 254-260.
Abstract:
Kaijiang-Liangping trough existed for 700 My.controlled the deposition of Feixianguan Formation of lower Triassic in the northern Sichuan Basin. In the short period of the trough existed, relativelysymmetrical carbonate rock sedimentary system that b...
Kaijiang-Liangping trough existed for 700 My.controlled the deposition of Feixianguan Formation of lower Triassic in the northern Sichuan Basin. In the short period of the trough existed, relativelysymmetrical carbonate rock sedimentary system that b...
2004, 22(2): 267-275.
Abstract:
The Miocene Shanwang Formation in Linqu of Shandong Province consists mainly of lacustrine diatomaceous sediments. Detailed sedimentary study on the laminated diatomites in the Shanwang Formation is necessary for the furtherwork on reconstruction of ...
The Miocene Shanwang Formation in Linqu of Shandong Province consists mainly of lacustrine diatomaceous sediments. Detailed sedimentary study on the laminated diatomites in the Shanwang Formation is necessary for the furtherwork on reconstruction of ...
2004, 22(2): 281-287.
Abstract:
By the observation of drillng cores, the seismite is recognized which mainly occurredin the upper part of Member4 and Member 3 of Shahejie Formation inthe Lower Tertiary in Jiyang sub-basin. Many kinds of soft sedimentarydeformation structures have b...
By the observation of drillng cores, the seismite is recognized which mainly occurredin the upper part of Member4 and Member 3 of Shahejie Formation inthe Lower Tertiary in Jiyang sub-basin. Many kinds of soft sedimentarydeformation structures have b...
2004, 22(2): 295-301.
Abstract:
The controlling factors and formation mechanism of the continental sequences are important research field in continental sequence stratigraphy. A fault-depressed stagnant lacustrine basin as a unique basin has its own particular characteristics. In t...
The controlling factors and formation mechanism of the continental sequences are important research field in continental sequence stratigraphy. A fault-depressed stagnant lacustrine basin as a unique basin has its own particular characteristics. In t...
2004, 22(2): 310-318.
Abstract:
The early Triassic lithostratigraphy in southwestern margin of Yangtze Platform is divided into 4 depositional sequences by studying the structure and stacking pattern of stratigraphic bodies, the features of unconformity-bound. The depositional sequ...
The early Triassic lithostratigraphy in southwestern margin of Yangtze Platform is divided into 4 depositional sequences by studying the structure and stacking pattern of stratigraphic bodies, the features of unconformity-bound. The depositional sequ...
2004, 22(2): 325-331.
Abstract:
Some dry lakes widely distributed in the north of China has been investigated in this paper based on analysis of grain-size distribution of the sediments of these dry lakes, including Manas Lake in Junggar Basin, Juyan Lake in the Alxa Plateau, Yezhu...
Some dry lakes widely distributed in the north of China has been investigated in this paper based on analysis of grain-size distribution of the sediments of these dry lakes, including Manas Lake in Junggar Basin, Juyan Lake in the Alxa Plateau, Yezhu...
2004, 22(2): 337-342.
Abstract:
The distribution of clay mineral in the sediments of ODP Leg 184 Site 1148, located on the north slope of the South China Sea and recovered 32.8Ma sediments,shows different character between 32.8-15.5 Ma and since 15.5-0Ma periods. In 32.8-15.5 Ma th...
The distribution of clay mineral in the sediments of ODP Leg 184 Site 1148, located on the north slope of the South China Sea and recovered 32.8Ma sediments,shows different character between 32.8-15.5 Ma and since 15.5-0Ma periods. In 32.8-15.5 Ma th...
2004, 22(2): 348-353.
Abstract:
According to characteristics of compositions and abundances, the dibenzothiophene series of Cambrian and Ordovician carbonate source rocks(marls, muddy limestone and dolomites) from four wells (KN1, LN46, TZ12 and TaCl) in Tabei and Tazhong areas, Ta...
According to characteristics of compositions and abundances, the dibenzothiophene series of Cambrian and Ordovician carbonate source rocks(marls, muddy limestone and dolomites) from four wells (KN1, LN46, TZ12 and TaCl) in Tabei and Tazhong areas, Ta...
2004, 22(2): 359-364.
Abstract:
There are mainly two sets of source rocks in the Bozhong Depression of the Bohaiwan Basin: Es 3 source rock and Ed 2 source rock. Since the source rocks in the most area of the depression are buried with a great depth, little work on petroleum genera...
There are mainly two sets of source rocks in the Bozhong Depression of the Bohaiwan Basin: Es 3 source rock and Ed 2 source rock. Since the source rocks in the most area of the depression are buried with a great depth, little work on petroleum genera...
