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2020 Vol. 38, No. 2

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2020, 38(2): 0-0.
Abstract:
Sedimentary Model of Fan Delta in the Fifth Member of Kizilsu Group in Uragen Pb-Zn Deposit, Xinjiang
AnBei HE, YuZhao HU, Tao REN, ChuanQi DONG, ChangWei LIU, YuHan ZHANG
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...
Geochemistry of Rare Earth Elements in the Deeply-buried Shanxi Formation Coal Seam of the Huainan Coalfield
AnXin CHU, LiuGen ZHENG, Meng LIU, ShiGui CHENG, XueNian ZHOU
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...
Sequence-palaeogeography and Coal Accumulation from the Early and Middle Jurassic in the Xidatan Area of the Northern Qaidam Basin
XianHao HUANG, YuQi SUN, WeiChao WANG, BingQiang LIU, ShaoLin ZHANG, YuTao ZHANG, LongYi SHAO
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 ...
New Evidence of Middle Permian Hydrothermal Cherts Deposition: A case study of Jitingling Breccia, south Anhui province
JinLong XU, ShiHao SHEN, YaFei WANG, FangYue WANG
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...
The Application of End-member Analysis in Identification of Paleo Floods in Wuhan Section of the Yangtze River
Hai ZHU, YuFen ZHANG, ChangAn LI
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...
Depositional Characteristics of the Houma-Yuncheng Basin and Its Response to Tectonic Activity, Climate Change, and River Evolution
XiaoYang LI, Hao LIANG, Ke ZHANG, ZhongYun LI, WangBin GONG, JianLi FU
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...
Eocene-Miocene Sediment Source and Environmental Study of Taiwan
ShuHui CHEN, YuanLi HOU, Lei SHAO, QiYu HUANG, PeiJun QIAO, YuChi CUI, XianBo MENG
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...
Sedimentary Stratigraphic Characteristics and Evolution since the Late Pleistocene in the Offshore Area of Northern Fujian
ChengFen XU, Yong ZHANG, XiangHuai KONG, Gang HU, ShiPu BI, XiuJuan MOU, Ze Ning, XiaoBo ZHANG
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...
Spatial Distribution of Grain Size Composition of Surface Sediments in Lake Cheng (Chenghai) and Their Influential Factors
JingJiu HU, HuCai ZHANG, FengQin CHANG, Ting LI, Meng CAI, LiZeng DUAN, LongWu ZHANG, Yang ZHANG
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...
Environmental Change and Evolution of the Man-Land Relationship during the Holocene Recorded in the Fanjiacheng Profile, Tianshui Area
RuiYan WEN, JiangLi PANG, ChunChang HUANG, XiaoChun ZHA, YaLi ZHOU, Chen LEI, YuDa CHUI, PeiNi MAO
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...
Carbon Isotope and Paleoclimatic Implications of Three Plants from the Oligocene Ningming Formation, Guangxi
QiuJun WANG, Jun ZHENG, BaiNian SUN, FuJun MA, Zhen WANG, WanMei WANG
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...
Influence of Source Rock Properties on the Development of Authigenic Chlorite in Conglomerate Reservoirs and Its Significance for Oil and Gas Reservoirs: A case study from the Lower Urhe Formation in the Mahu Depression, Junggar Basin
Qi YAN, HaiYan LEI, BenZhong XIAN, Jian WANG, ZhengJiang LUO, Zhao YANG, Jing HE, Jun NIU, Qiang PU, RongHeng TIAN
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...
Sequence Stratigraphic Framework and Its Influence on the Development Characteristics of Shale Reservoirs: Taking the Longmaxi Formation shale in the Sichuan Basin as an example
DiFei ZHAO, YingHai GUO, Geoff WANG, GuanLin LI, ChunLin ZENG, WeiWei JIAO
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...
Tectonic-sedimentary Filling History through the Later Sinian to the Mid-Cambrian in Tarim Basin and Its Explorational Potential
YongJin ZHU, AnJiang SHEN, LingLi LIU, YongQuan CHEN, Guang YU
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...
Sedimentary Model and Genetic Mechanism for the Alluvial Lobes of the Offshore Underwater Fan Slope
JingQiang YU, HongWei HAN
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...
Filling Characteristics and Main Controlling Factors for the Development of Multi-Phase Structural Fractures: A case of the Pingnan buried hill from Jiyang Depression
JiYan LI
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...
Characteristics and Sedimentary Models of Sheet Sand in Shallow Lacustrine Fluvial-dominated Delta Front: A case study from lower member of Minghuazhen Formation in BZ34 area, Huanghekou Sag
RunSen QIN, HongLin YUE, FengJun ZHOU, QiongYuan WU, Yuan LEI
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 Distinctive Sedimentary Element within the Sinuous Submarine Channel: Outer bank bar
XiaoFei FENG, XiaoMing ZHAO, ChengPeng TAN, Kun QI, Tao XIE, YingChun ZHANG, WenMing LU, Rui XU
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...
Biomarker Characteristics of Source Rocks and Oil Source Correlation in Baolegentaohai Sag, Erlian Basin
ZhiJun CHEN, ZhiWei WANG, ShaoQing ZHANG, YiWen GAO, ChangChun HAN, KeShe LI
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...