1994 Vol. 12, No. 2
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1994, 12(2): 1-9.
Abstract:
Deposits of carbonate gravity flows on the western margin of Lower Triassic Sichuan bsain may be divided into two parts : debris current and turbidity current. Debris current deposits mainly consist of four kinds of calcirudites with 1. horizontal st...
Deposits of carbonate gravity flows on the western margin of Lower Triassic Sichuan bsain may be divided into two parts : debris current and turbidity current. Debris current deposits mainly consist of four kinds of calcirudites with 1. horizontal st...
Sedimentary Characteristics and Models of the Beach-bar Reservoirs in Faulted down Lacustrine Basins
1994, 12(2): 20-28.
Abstract:
There are many kinds of depositional systems developed in Tertiary faulted-down lacustrine basins of East China, of which beach-bar reservoir has been stressed in recent years because of its close relation with hydrocarbon occurrence. The characteris...
There are many kinds of depositional systems developed in Tertiary faulted-down lacustrine basins of East China, of which beach-bar reservoir has been stressed in recent years because of its close relation with hydrocarbon occurrence. The characteris...
1994, 12(2): 37-44.
Abstract:
The sedimentation simulating experiment of the Formation and development of delta was Conducted in a Flume that is 6 m long,4. 5 m wide and 0. 8m high. in Department of Earth Resources Colorado. Sate Uriversity.The Parameters of discharge,quantity of...
The sedimentation simulating experiment of the Formation and development of delta was Conducted in a Flume that is 6 m long,4. 5 m wide and 0. 8m high. in Department of Earth Resources Colorado. Sate Uriversity.The Parameters of discharge,quantity of...
1994, 12(2): 54-62.
Abstract:
Being influenced by Landei Fracture of Triassic in Lunnan area,the elevations in the both sides on the fracture are large enough to make the alluvial fan to enter directly the lacustrine basin and to form the fan delta group deposition. The fan delta...
Being influenced by Landei Fracture of Triassic in Lunnan area,the elevations in the both sides on the fracture are large enough to make the alluvial fan to enter directly the lacustrine basin and to form the fan delta group deposition. The fan delta...
1994, 12(2): 72-76.
Abstract:
Abundant finely laminated algal stromatolitic dolomites occur in Wimishan Formation (Jixian System,Middle 1?roterozoic)of the Ming Tombs I?istrict,lieijing,China,which are formed in subtidal environments just above normal wave base. The finely lamina...
Abundant finely laminated algal stromatolitic dolomites occur in Wimishan Formation (Jixian System,Middle 1?roterozoic)of the Ming Tombs I?istrict,lieijing,China,which are formed in subtidal environments just above normal wave base. The finely lamina...
1994, 12(2): 86-93.
Abstract:
Four sediment cores, collected in Yangpu Harbour on Hainan Island,were analyzed for textural parameters and Pb- 210, Cs-137 activities,Yangpu Harbour is tidally flushed and has sediment distribution pattern which is related primarily to the tidal cur...
Four sediment cores, collected in Yangpu Harbour on Hainan Island,were analyzed for textural parameters and Pb- 210, Cs-137 activities,Yangpu Harbour is tidally flushed and has sediment distribution pattern which is related primarily to the tidal cur...
1994, 12(2): 101-104.
Abstract:
The cosmic dust,which was found in the Cretaceous grey-brown oil-bearing sandstone occured in Tarim Basin, is siliceous cosmic dust. It was sticked on the surface of illite/smectite clay minerlas. Its shape appears to be the ideal sphere, the diamete...
The cosmic dust,which was found in the Cretaceous grey-brown oil-bearing sandstone occured in Tarim Basin, is siliceous cosmic dust. It was sticked on the surface of illite/smectite clay minerlas. Its shape appears to be the ideal sphere, the diamete...
1994, 12(2): 114-122.
Abstract:
Shengli Oilfield is located in the Southeastern Bohai Bay Basin and tectonically belongs to the jiyang Depression, oil and gas reservoirs are found in the strata of Archaeozoic, Palaeozoic,Mesozoic and Cenozoic. Studies revealed that the Carboniferou...
Shengli Oilfield is located in the Southeastern Bohai Bay Basin and tectonically belongs to the jiyang Depression, oil and gas reservoirs are found in the strata of Archaeozoic, Palaeozoic,Mesozoic and Cenozoic. Studies revealed that the Carboniferou...
1994, 12(2): 133-142.
Abstract:
This paper deals with the spores and pollen from the Upper Subformation of the Hekou Formation of Lower Cretaceous in Xigu District of Lanzhou, Gansu Province,China. The sporopollen assemblage of the Upper Subformation has been established,and it was...
This paper deals with the spores and pollen from the Upper Subformation of the Hekou Formation of Lower Cretaceous in Xigu District of Lanzhou, Gansu Province,China. The sporopollen assemblage of the Upper Subformation has been established,and it was...
1994, 12(2): 10-19.
Abstract:
The Ynashan sedimentary basin of Changchengian (1800-1400Ma) of the Mid-Proterozoic is located in North China. Sedimental accumulations of the basin were first one with nature of the covering strata after formation of the crystalline basement of the ...
The Ynashan sedimentary basin of Changchengian (1800-1400Ma) of the Mid-Proterozoic is located in North China. Sedimental accumulations of the basin were first one with nature of the covering strata after formation of the crystalline basement of the ...
1994, 12(2): 29-36.
Abstract:
Anoxic environments developed best in Permian,especially in Gufeng and Dalong Stages in the Middle and Lower Yangtze region. Special complex of anoxic sediments of "black shale-chert- limestone "was formed in this kind of environments. According to p...
Anoxic environments developed best in Permian,especially in Gufeng and Dalong Stages in the Middle and Lower Yangtze region. Special complex of anoxic sediments of "black shale-chert- limestone "was formed in this kind of environments. According to p...
1994, 12(2): 45-53.
Abstract:
The barrier-lagoon systems(BLS)are widely distributed in the southwesten Inner Mongolia Autonomous Region during Carboniferous Period. The lagoon deposits of different stages in the systems are superimposed mutually,forming various sequences,with a g...
The barrier-lagoon systems(BLS)are widely distributed in the southwesten Inner Mongolia Autonomous Region during Carboniferous Period. The lagoon deposits of different stages in the systems are superimposed mutually,forming various sequences,with a g...
1994, 12(2): 63-71.
Abstract:
The author discussed the Holocene sedimentary facies and its evolution,based mainly upon data of the eight drill-holes and also upon other several dozens of reference drill-holes, as well as the field investigation of the buried tidal sand bodies in ...
The author discussed the Holocene sedimentary facies and its evolution,based mainly upon data of the eight drill-holes and also upon other several dozens of reference drill-holes, as well as the field investigation of the buried tidal sand bodies in ...
1994, 12(2): 77-85.
Abstract:
The authors have identified a series of mixed thick deep-water gravity current sediments in Ying taogou Formation of middle-Ordovician in the east margin of Bayanhavte basin,It included carbonate slump breccias,graded fine conglomerates,sandy gravels...
The authors have identified a series of mixed thick deep-water gravity current sediments in Ying taogou Formation of middle-Ordovician in the east margin of Bayanhavte basin,It included carbonate slump breccias,graded fine conglomerates,sandy gravels...
1994, 12(2): 94-100.
Abstract:
The measurement of anisotropy of magnetic susceptibility (AMS) is a newly developed method that is used to investigate the sedimentary fabric of the sediments. The measurement of AMS on the loess in Central China showed that the primary eolian loess ...
The measurement of anisotropy of magnetic susceptibility (AMS) is a newly developed method that is used to investigate the sedimentary fabric of the sediments. The measurement of AMS on the loess in Central China showed that the primary eolian loess ...
1994, 12(2): 105-113.
Abstract:
The Lower Paleozoic Gas field in the central part of Oerhtossu Basin is of underpressure gas reservoir with the source rock and reservoir rock of carbonate complex of Ordovician,and its cap rock is alum clay of Middle Carboniferous. This gas field is...
The Lower Paleozoic Gas field in the central part of Oerhtossu Basin is of underpressure gas reservoir with the source rock and reservoir rock of carbonate complex of Ordovician,and its cap rock is alum clay of Middle Carboniferous. This gas field is...
1994, 12(2): 123-132.
Abstract:
Over 30 trace elements(with concentration lower than l%o) from 46 samples have been determined during the study by various techniques,including INAA and ICP. These samples were collected from the synsedimentary volcanic ash derived tonsteins, non-cin...
Over 30 trace elements(with concentration lower than l%o) from 46 samples have been determined during the study by various techniques,including INAA and ICP. These samples were collected from the synsedimentary volcanic ash derived tonsteins, non-cin...
