2020 Vol. 38, No. 2
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2020, 38(2): 245-256.
doi: 10.14027/j.issn.1000-0550.2019.028
Abstract:
The fifth member of the Lower Cretaceous Kizilsu Group is the main ore-bearing horizon in the Uragen Pb-Zn deposit in the northern Kashi Sag, Tarim Basin. A sedimentary model was constructed of the petrology, sedimentary structure and grading analysi...
The fifth member of the Lower Cretaceous Kizilsu Group is the main ore-bearing horizon in the Uragen Pb-Zn deposit in the northern Kashi Sag, Tarim Basin. A sedimentary model was constructed of the petrology, sedimentary structure and grading analysi...
2020, 38(2): 257-265.
doi: 10.14027/j.issn.1000-0550.2019.082
Abstract:
In order to probe the sources and geochemical characteristics of rare earth elements(REE)in coal from the deeply-buried Shanxi Formation coal seam in Huainan, a total of 20 samples of Permian coal, partings, roof and floor were collected from the Hua...
In order to probe the sources and geochemical characteristics of rare earth elements(REE)in coal from the deeply-buried Shanxi Formation coal seam in Huainan, a total of 20 samples of Permian coal, partings, roof and floor were collected from the Hua...
2020, 38(2): 266-283.
doi: 10.14027/j.issn.1000-0550.2019.044
Abstract:
The Xidatan area has become a new area of exploration for coal resources in recent years, and the coal measures are represented by the Early Jurassic Xiaomeigou Formation and the Middle Jurassic Dameigou and Shimenggou Formations. In order to unveil ...
The Xidatan area has become a new area of exploration for coal resources in recent years, and the coal measures are represented by the Early Jurassic Xiaomeigou Formation and the Middle Jurassic Dameigou and Shimenggou Formations. In order to unveil ...
2020, 38(2): 284-296.
doi: 10.14027/j.issn.1000-0550.2019.041
Abstract:
According to analysis, the petrological and lithogeochemical characteristics of siliceous, brecciated siliceous, and siliceous breccia from the Jitingling breccia in the middle Permian strata of the Jingxian-Xuanzhou area, Anhui Province indicate tha...
According to analysis, the petrological and lithogeochemical characteristics of siliceous, brecciated siliceous, and siliceous breccia from the Jitingling breccia in the middle Permian strata of the Jingxian-Xuanzhou area, Anhui Province indicate tha...
2020, 38(2): 297-305.
doi: 10.14027/j.issn.1000-0550.2019.039
Abstract:
The end-member modeling analysis can extract the end-members representing different sedimentary dynamic processes from the sediments with complex particle size distribution characteristics, revealing the paleo-flood period in the middle reaches of th...
The end-member modeling analysis can extract the end-members representing different sedimentary dynamic processes from the sediments with complex particle size distribution characteristics, revealing the paleo-flood period in the middle reaches of th...
2020, 38(2): 306-318.
doi: 10.14027/j.issn.1000-0550.2019.040
Abstract:
Despite its high average accumulation rate, the Houma-Yuncheng Basin in the southeastern Ordos Block in northern China is surprisingly experiencing intensive erosion, rather than being in a depositional state, with fluvio-lacustrine deposition termin...
Despite its high average accumulation rate, the Houma-Yuncheng Basin in the southeastern Ordos Block in northern China is surprisingly experiencing intensive erosion, rather than being in a depositional state, with fluvio-lacustrine deposition termin...
2020, 38(2): 319-330.
doi: 10.14027/j.issn.1000-0550.2019.037
Abstract:
The exposed Eocene-Miocene strata of Taiwan is within the range of north SCS, whose composition and sedimentary environment revealed the early tectonic and sedimentary development of the Early Cenozoic SCS. This study is based on the Eocene-Miocene s...
The exposed Eocene-Miocene strata of Taiwan is within the range of north SCS, whose composition and sedimentary environment revealed the early tectonic and sedimentary development of the Early Cenozoic SCS. This study is based on the Eocene-Miocene s...
2020, 38(2): 331-339.
doi: 10.14027/j.issn.1000-0550.2019.095
Abstract:
A 3 500 km high-resolution shallow stratigraphic seismic profile data was collected by the geological investigation ship of the Qingdao Institute of Marine Geology in 2015 in the coastal waters of northern Fujian. Combining the analysis of a core fro...
A 3 500 km high-resolution shallow stratigraphic seismic profile data was collected by the geological investigation ship of the Qingdao Institute of Marine Geology in 2015 in the coastal waters of northern Fujian. Combining the analysis of a core fro...
2020, 38(2): 340-348.
doi: 10.14027/j.issn.1000-0550.2019.032
Abstract:
Due to the influence of dynamic conditions and material sources in a lake, the spatial distribution characteristics of the surface sediment are different. In this study, Lake Cheng (or Cheng Hai) in northwest Yunnan was selected as the research objec...
Due to the influence of dynamic conditions and material sources in a lake, the spatial distribution characteristics of the surface sediment are different. In this study, Lake Cheng (or Cheng Hai) in northwest Yunnan was selected as the research objec...
2020, 38(2): 349-357.
doi: 10.14027/j.issn.1000-0550.2019.016
Abstract:
The stratigraphic, magnetic susceptibility, grain size and CaCO3 profiles of the Fanjiacheng (FJC) in Tianshui were analyzed to explore the relationship between Holocene environmental evolution and human activities in the region. The results are as f...
The stratigraphic, magnetic susceptibility, grain size and CaCO3 profiles of the Fanjiacheng (FJC) in Tianshui were analyzed to explore the relationship between Holocene environmental evolution and human activities in the region. The results are as f...
2020, 38(2): 358-366.
doi: 10.14027/j.issn.1000-0550.2019.019
Abstract:
The Oligocene represented an early "icehouse" epoch and is a significant period in which global climates and organisms had pronounced evolutions. Carbon isotope data for plant fossils from the Oligocene strata records the evolution of contemporaneous...
The Oligocene represented an early "icehouse" epoch and is a significant period in which global climates and organisms had pronounced evolutions. Carbon isotope data for plant fossils from the Oligocene strata records the evolution of contemporaneous...
2020, 38(2): 367-378.
doi: 10.14027/j.issn.1000-0550.2019.033
Abstract:
The conglomerate reservoirs discovered recently in the Mahu Depression, Junggar Basin have been characterized as near-source, coarse-grained, deep-buried, and low-permeability. The conglomerate reservoir quality of the Lower Urhe Formation is closely...
The conglomerate reservoirs discovered recently in the Mahu Depression, Junggar Basin have been characterized as near-source, coarse-grained, deep-buried, and low-permeability. The conglomerate reservoir quality of the Lower Urhe Formation is closely...
2020, 38(2): 379-397.
doi: 10.14027/j.issn.1000-0550.2019.043
Abstract:
To explore marine shale sedimentary sequences and their control on shale reservoir development characteristics, the sequence stratigraphic framework of the Longmaxi Formation in the sichuan Basin is synthetically established through the study of outc...
To explore marine shale sedimentary sequences and their control on shale reservoir development characteristics, the sequence stratigraphic framework of the Longmaxi Formation in the sichuan Basin is synthetically established through the study of outc...
2020, 38(2): 398-410.
doi: 10.14027/j.issn.1000-0550.2019.045
Abstract:
Tarim block evolved into a strong stretching stage affected by the Rodinia supercontinent cracking in the early Nanhua Period. The inter-platform rift system, oriented Northeast-Southwest, developed a "Two Uplifts and One Depression" tectonic framewo...
Tarim block evolved into a strong stretching stage affected by the Rodinia supercontinent cracking in the early Nanhua Period. The inter-platform rift system, oriented Northeast-Southwest, developed a "Two Uplifts and One Depression" tectonic framewo...
2020, 38(2): 411-419.
doi: 10.14027/j.issn.1000-0550.2019.035
Abstract:
Based on the flume deposition simulation, there exists a new sedimentary type in the near-shore underwater fan system, which is associated with the fan body under a specific sedimentary background-slope accumulation lobes. It is an independent sand b...
Based on the flume deposition simulation, there exists a new sedimentary type in the near-shore underwater fan system, which is associated with the fan body under a specific sedimentary background-slope accumulation lobes. It is an independent sand b...
2020, 38(2): 420-428.
doi: 10.14027/j.issn.1000-0550.2019.117
Abstract:
Structural fracture is one of the most important reservoir space types in carbonate reservoirs of the lower Paleozoic. In this paper, the development characteristics of structural fractures are analyzed, the development period and filling characteris...
Structural fracture is one of the most important reservoir space types in carbonate reservoirs of the lower Paleozoic. In this paper, the development characteristics of structural fractures are analyzed, the development period and filling characteris...
2020, 38(2): 429-439.
doi: 10.14027/j.issn.1000-0550.2019.027
Abstract:
A well-developed sand sheet occurs in the fluvial-dominated delta front at the bottom of the lower Minghuazhen Formation in the BZ34 area, Huanghekou Sag. The data from cores, production dynamics, clay minerals and so on were analyzed to gain a bette...
A well-developed sand sheet occurs in the fluvial-dominated delta front at the bottom of the lower Minghuazhen Formation in the BZ34 area, Huanghekou Sag. The data from cores, production dynamics, clay minerals and so on were analyzed to gain a bette...
2020, 38(2): 440-450.
doi: 10.14027/j.issn.1000-0550.2019.036
Abstract:
The present study aims to introduce a distinctive depositional element of submarine channels: the outer bank bar. Based on high-resolution three dimensional (3D) seismic data from the shallow subsurface of the Niger Delta continental slope and utiliz...
The present study aims to introduce a distinctive depositional element of submarine channels: the outer bank bar. Based on high-resolution three dimensional (3D) seismic data from the shallow subsurface of the Niger Delta continental slope and utiliz...
2020, 38(2): 451-462.
doi: 10.14027/j.issn.1000-0550.2019.034
Abstract:
Although good exploration achievements have been made in Baolegentaohai Sag of Erlian Basin, the basic research on hydrocarbon accumulation is still very weak. In this study, source rocks are classified according to geochemical characteristics, and t...
Although good exploration achievements have been made in Baolegentaohai Sag of Erlian Basin, the basic research on hydrocarbon accumulation is still very weak. In this study, source rocks are classified according to geochemical characteristics, and t...