2020 Vol. 45, No. 3
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2020, 45(3): 711-727.
doi: 10.3799/dqkx.2019.068
Abstract:
The southern margin of the Paleo-Asian Ocean spanned Xinjiang, Gansu, Inner Mongolia, Heilongjiang and other places of China. This paper summarizes the history of Paleozoic tectonic evolution of Paleo-Asian Ocean and addresses the debates on the evol...
The southern margin of the Paleo-Asian Ocean spanned Xinjiang, Gansu, Inner Mongolia, Heilongjiang and other places of China. This paper summarizes the history of Paleozoic tectonic evolution of Paleo-Asian Ocean and addresses the debates on the evol...
2020, 45(3): 728-738.
doi: 10.3799/dqkx.2019.017
Abstract:
In order to define the base of the Drumian Stage and the base of the Paibian Stage of Cambrian in North China, carbon isotope trend is studied on the Shatan section, northern Henan. Data of carbon isotope suggest that three positive excursions and tw...
In order to define the base of the Drumian Stage and the base of the Paibian Stage of Cambrian in North China, carbon isotope trend is studied on the Shatan section, northern Henan. Data of carbon isotope suggest that three positive excursions and tw...
2020, 45(3): 739-751.
doi: 10.3799/dqkx.2019.028
Abstract:
Due to the lack of detailed division and comparison of graptolite biozonation in Wufeng and Longmaxi formations of Yongshan-Daguan area, the distribution time of black shale and its sedimentary background are unclear. Nine graptolite biozones of the ...
Due to the lack of detailed division and comparison of graptolite biozonation in Wufeng and Longmaxi formations of Yongshan-Daguan area, the distribution time of black shale and its sedimentary background are unclear. Nine graptolite biozones of the ...
2020, 45(3): 752-763.
doi: 10.3799/dqkx.2019.054
Abstract:
New dinosaur fossils were found from the Late Cretaceous Daijiaping Formation in the Zhuzhou Basin recently. However, the age of the dinosaur fossil formation remains controvercial. Based on the analysis of palynological types and detrital zircon U-P...
New dinosaur fossils were found from the Late Cretaceous Daijiaping Formation in the Zhuzhou Basin recently. However, the age of the dinosaur fossil formation remains controvercial. Based on the analysis of palynological types and detrital zircon U-P...
2020, 45(3): 764-775.
doi: 10.3799/dqkx.2019.076
Abstract:
Guanzhou Site, located beneath the surface of the central bar of Songzi reaches of the middle Yangtze River, which is the earliest and largest Neolithic cultural site found in the Jianghan Plain up to now. Since Guanzhou Site provides vital evidences...
Guanzhou Site, located beneath the surface of the central bar of Songzi reaches of the middle Yangtze River, which is the earliest and largest Neolithic cultural site found in the Jianghan Plain up to now. Since Guanzhou Site provides vital evidences...
2020, 45(3): 776-788.
doi: 10.3799/dqkx.2019.039
Abstract:
The Qushenla Formation is one of the most important volcanic strata in Bangong Co-Nujiang suture zone, however, there is no detailed geochronology and prospecting potential study. Based on long-term ore geological survey in Nima County, we do a detai...
The Qushenla Formation is one of the most important volcanic strata in Bangong Co-Nujiang suture zone, however, there is no detailed geochronology and prospecting potential study. Based on long-term ore geological survey in Nima County, we do a detai...
2020, 45(3): 789-803.
doi: 10.3799/dqkx.2019.044
Abstract:
Lithocap, as an important indicator for exploration, has not attracted widespread attention for a long time, hindering the exploration work.Three types of lithocaps related to different mineralization styles in Sinongduo area are sampled for petrolog...
Lithocap, as an important indicator for exploration, has not attracted widespread attention for a long time, hindering the exploration work.Three types of lithocaps related to different mineralization styles in Sinongduo area are sampled for petrolog...
2020, 45(3): 804-814.
doi: 10.3799/dqkx.2019.029
Abstract:
The single-collector noble gas mass spectrometer has constrained the further development of the high-precision 40Ar-39Ar dating, owing to its relatively low efficiency and precision of measurement. However, the multi-collector noble gas mass spectrom...
The single-collector noble gas mass spectrometer has constrained the further development of the high-precision 40Ar-39Ar dating, owing to its relatively low efficiency and precision of measurement. However, the multi-collector noble gas mass spectrom...
2020, 45(3): 815-828.
doi: 10.3799/dqkx.2019.062
Abstract:
The East Qinling Mountains, located at the junction of the Qinling Orogenic Belt and the Dabie Orogenic Belt, had undergone complex tectonic evolution, and plays an important role in understanding the collision of the North China Block and the Yangtz...
The East Qinling Mountains, located at the junction of the Qinling Orogenic Belt and the Dabie Orogenic Belt, had undergone complex tectonic evolution, and plays an important role in understanding the collision of the North China Block and the Yangtz...
2020, 45(3): 829-843.
doi: 10.3799/dqkx.2020.001
Abstract:
Zhiluo Formation is located in Tarangaole area of the Ordos Basin and the research on the provenance and regional sedimentary structural setting remains weak, which restricts the overall evaluation of provenance change of Zhiluo Formationto some exte...
Zhiluo Formation is located in Tarangaole area of the Ordos Basin and the research on the provenance and regional sedimentary structural setting remains weak, which restricts the overall evaluation of provenance change of Zhiluo Formationto some exte...
2020, 45(3): 844-855.
doi: 10.3799/dqkx.2020.006
Abstract:
The precise chronology and tectonic significance of pyroxene peridotite in Late Paleozoic granites in Dong Ujimqi, Inner Mongolia are still unclear, which will directly restrict the discussion of the properties and tectonic evolution in the study are...
The precise chronology and tectonic significance of pyroxene peridotite in Late Paleozoic granites in Dong Ujimqi, Inner Mongolia are still unclear, which will directly restrict the discussion of the properties and tectonic evolution in the study are...
2020, 45(3): 856-868.
doi: 10.3799/dqkx.2019.061
Abstract:
In recent years, in situ U-Pb dating of garnet is a newly developed isotopic dating method about the low-U minerals, yet it has been scarcely applied in the ore deposits and especially in the nonmetal deposits. Based on detailed petrographic observat...
In recent years, in situ U-Pb dating of garnet is a newly developed isotopic dating method about the low-U minerals, yet it has been scarcely applied in the ore deposits and especially in the nonmetal deposits. Based on detailed petrographic observat...
2020, 45(3): 869-879.
doi: 10.3799/dqkx.2019.064
Abstract:
Large-scale Mesozoic magmatic rocks developed in the Benxi-Kuandian area in central eastern Liaoning Province. However, research on the formation age, magmatic source, and tectonic setting of these rocks relatively lags behind. Guanmenshan pluton is ...
Large-scale Mesozoic magmatic rocks developed in the Benxi-Kuandian area in central eastern Liaoning Province. However, research on the formation age, magmatic source, and tectonic setting of these rocks relatively lags behind. Guanmenshan pluton is ...
2020, 45(3): 880-891.
doi: 10.3799/dqkx.2019.103
Abstract:
The Precambrian-Cambrian transition is one of the most important periods in the geological history. Establishing precise stratigraphic correlations among different sedimentary facies lays the foundation for deciphering important geological events inc...
The Precambrian-Cambrian transition is one of the most important periods in the geological history. Establishing precise stratigraphic correlations among different sedimentary facies lays the foundation for deciphering important geological events inc...
2020, 45(3): 892-909.
doi: 10.3799/dqkx.2019.022
Abstract:
The Early Paleozoic orogen in South China is an intraplate orogen and represented by the Wuyi-Yunkai Orogenic Belt (WYOB). However,the nature of lithospheric mantle and tectonic setting during this orogenic process have been controversial. We present...
The Early Paleozoic orogen in South China is an intraplate orogen and represented by the Wuyi-Yunkai Orogenic Belt (WYOB). However,the nature of lithospheric mantle and tectonic setting during this orogenic process have been controversial. We present...
2020, 45(3): 910-929.
doi: 10.3799/dqkx.2019.070
Abstract:
The Yinshuisi Zn-Pb deposit,located in the north border of Dabie Orogen Belt,Jinzhai County,Anhui Province,is the largest skarn deposit in the Dabieshan region. Previous studies on chronology,geochemistry and petrogenesis of intrusions are few,which ...
The Yinshuisi Zn-Pb deposit,located in the north border of Dabie Orogen Belt,Jinzhai County,Anhui Province,is the largest skarn deposit in the Dabieshan region. Previous studies on chronology,geochemistry and petrogenesis of intrusions are few,which ...
2020, 45(3): 930-944.
doi: 10.3799/dqkx.2019.983
Abstract:
The ore exploration of Demingding mining area of the Gangdese metallogenic belt has been challenging due to inconvenient transportation,high altitude and lack of oxygen,strong physical weathering and cover of the crushed stone. In order to further gu...
The ore exploration of Demingding mining area of the Gangdese metallogenic belt has been challenging due to inconvenient transportation,high altitude and lack of oxygen,strong physical weathering and cover of the crushed stone. In order to further gu...
2020, 45(3): 945-959.
doi: 10.3799/dqkx.2019.057
Abstract:
The Jinchiling gold deposit,located in the central and western part of Zhaoyuan-Laizhou gold metallogenic belt,is a typical lode gold deposit hosted in Late Jurassic Linglong granitoids in the Jiaodong region. The source of its ore-forming fluids and...
The Jinchiling gold deposit,located in the central and western part of Zhaoyuan-Laizhou gold metallogenic belt,is a typical lode gold deposit hosted in Late Jurassic Linglong granitoids in the Jiaodong region. The source of its ore-forming fluids and...
2020, 45(3): 960-967.
doi: 10.3799/dqkx.2019.072
Abstract:
As one of the most important elements of the loess in southern China,the provenance of "Wushan Loess" can provide crucial environmental information to deciphering valuable sedimentary record in the area. Based on previous studies,we have collected sa...
As one of the most important elements of the loess in southern China,the provenance of "Wushan Loess" can provide crucial environmental information to deciphering valuable sedimentary record in the area. Based on previous studies,we have collected sa...
2020, 45(3): 968-979.
doi: 10.3799/dqkx.2019.292
Abstract:
Large inversion anticlines formed at the end of the Miocene are widely developed in Xihu Sag in the East China Sea,which have generally attributed to external forces,ignoring the influence of the internal structure of the sag. Based on the comprehens...
Large inversion anticlines formed at the end of the Miocene are widely developed in Xihu Sag in the East China Sea,which have generally attributed to external forces,ignoring the influence of the internal structure of the sag. Based on the comprehens...
2020, 45(3): 980-988.
doi: 10.3799/dqkx.2019.016
Abstract:
The oil and gas resources of the buried hills in the Bohai Bay Basin are abundant. The oil and gas exploration in the Paleozoic buried hills in the Huanghua Depression has made significant progress recently,but the accumulation period of the oil and ...
The oil and gas resources of the buried hills in the Bohai Bay Basin are abundant. The oil and gas exploration in the Paleozoic buried hills in the Huanghua Depression has made significant progress recently,but the accumulation period of the oil and ...
2020, 45(3): 989-997.
doi: 10.3799/dqkx.2019.069
Abstract:
The distinctive types of slope breaks of Wenchang Sag inside the Pearl River Mouth Basin are formed by a series of tectonic evolution and complex structural deformation. Based on the theory from Tectonic Sedimentology and Sequence Stratigraphy,we ide...
The distinctive types of slope breaks of Wenchang Sag inside the Pearl River Mouth Basin are formed by a series of tectonic evolution and complex structural deformation. Based on the theory from Tectonic Sedimentology and Sequence Stratigraphy,we ide...
2020, 45(3): 998-1012.
doi: 10.3799/dqkx.2019.293
Abstract:
This study focuses on the distribution of high-quality carbonate reservoirs and new exploration areas in the Dengying Formation (Sinian) on the eastern side of Mianyang-Changning intracratonic sag. Using drilling, logging and seismic data in the Gaos...
This study focuses on the distribution of high-quality carbonate reservoirs and new exploration areas in the Dengying Formation (Sinian) on the eastern side of Mianyang-Changning intracratonic sag. Using drilling, logging and seismic data in the Gaos...
2020, 45(3): 1013-1026.
doi: 10.3799/dqkx.2019.046
Abstract:
Medium-light oil was discovered in the Ordovician of Well YQX1, which is located in heavy oil exploration area, North Shaya Uplift in the Tarim Basin. In order to figure out the origin of medium-light oil, 52 crude oil samples from Shaya Uplift have ...
Medium-light oil was discovered in the Ordovician of Well YQX1, which is located in heavy oil exploration area, North Shaya Uplift in the Tarim Basin. In order to figure out the origin of medium-light oil, 52 crude oil samples from Shaya Uplift have ...
2020, 45(3): 1027-1040.
doi: 10.3799/dqkx.2019.088
Abstract:
The problem of aquifer destruction persists in the whole life cycle of coal mine, which has long-term effect on ecology and social economy. In order to analyze the risk of aquifer destruction in underground mining coal, this paper proposes a technica...
The problem of aquifer destruction persists in the whole life cycle of coal mine, which has long-term effect on ecology and social economy. In order to analyze the risk of aquifer destruction in underground mining coal, this paper proposes a technica...
2020, 45(3): 1041-1050.
doi: 10.3799/dqkx.2019.953
Abstract:
As one of the four granaries in China, Jianghan Plain has approximately 690 thousand hectares of seleniferous soil, most of which are cold waterlogged paddy field. How to utilize the seleniferous cold waterlogged paddy field to cultivate selenium-enr...
As one of the four granaries in China, Jianghan Plain has approximately 690 thousand hectares of seleniferous soil, most of which are cold waterlogged paddy field. How to utilize the seleniferous cold waterlogged paddy field to cultivate selenium-enr...
2020, 45(3): 1051-1060.
doi: 10.3799/dqkx.2019.089
Abstract:
The phreatic evaporation is the main discharge way of groundwater in arid inland basins,but its quantitative evaluation has great uncertainty,which leads to the difficulty of water balance analysis and water resources evaluation. In the plain area of...
The phreatic evaporation is the main discharge way of groundwater in arid inland basins,but its quantitative evaluation has great uncertainty,which leads to the difficulty of water balance analysis and water resources evaluation. In the plain area of...
2020, 45(3): 1071-1081.
doi: 10.3799/dqkx.2019.067
Abstract:
As a traditional industry in the Horqin area of Tongliao City,agriculture plays a pivotal role in the development of economy. Understanding the structure and function of soil microbial communities and their influencing factors is of great significanc...
As a traditional industry in the Horqin area of Tongliao City,agriculture plays a pivotal role in the development of economy. Understanding the structure and function of soil microbial communities and their influencing factors is of great significanc...
2020, 45(3): 1082-1092.
doi: 10.3799/dqkx.2019.289
Abstract:
Although the methane flux characteristics and the composition of soil microbial community in the Dajiuhu peatland in Shennongjia have been studied to some extent, there are few studies on the relationship and impact of microbial community and methane...
Although the methane flux characteristics and the composition of soil microbial community in the Dajiuhu peatland in Shennongjia have been studied to some extent, there are few studies on the relationship and impact of microbial community and methane...
2020, 45(3): 1061-1070.
doi: 10.3799/dqkx.2019.060
Abstract:
There are few studies on the source identification of nitrate in the natural rivers in karst area, and even fewer on the influence of the anti-seasonal arid climate on the nitrate transportation. In this paper, δ15N and δ18O isotopic tracing method i...
There are few studies on the source identification of nitrate in the natural rivers in karst area, and even fewer on the influence of the anti-seasonal arid climate on the nitrate transportation. In this paper, δ15N and δ18O isotopic tracing method i...
