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2005 Vol. 23, No. 1

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From Shallow-water Shelf to Deep-water Slope——the study on deep-water fan systems in South China Sea
PENGDa-jun, PANGXiong, CHENChang-min, YUShu, YEBing, GANJi-gang, WUChang-rong, HUANG Xian-lu
2005, 23(1): 1-11.
Abstract:
Oil and gas are strategic resources. China became oil input country since 1993. In order to ensure the energy security, one of the best energy policies is to find out several giant oil-gas fields in the coastal ocean regions and to establish new petr...
The Depositional Character istics of Conglomerate Bodies and Exploration in Subtle Oil Pools of Sublacustrine Fan Facies in Slope Zone, Wuliyasitai Sag
CUIZhou-qi, LIWen-hou, WUJian-ping, LILi, HOU Feng-mei, WANGHai-chao
2005, 23(1): 21-28.
Abstract:
Some conglomerate bodies that have heavy thickness, extreme coarse grains size and fast facies change occur in the slope zone of the First Member of Tenger Formation in Wuliyasitai Sag, Erlian Basin. However, There is stillmuch controversy about the ...
The"Special"TurbiditeMeasure of the Middle Ordovician Series in Zhuozishan Area, Inner Mongolia
JIN Hui-juan, SUN Ming-liang, LI Yu-ci
2005, 23(1): 34-40.
Abstract:
The Lashizhong Formation of the middle Ordovician in Zhuozishang area, Inner Mongolia is a set of turbidite measures, which is composed of lots of turbidite beds with clear Bouma sequence. However, the eminent differences exist between Lashizhong for...
M icrospar Structure Carbonate and Constrain of Sedimentary Facies and Environments in Jiangsu, Anhui and Liaoning Provinces of the Northern China
LIU Yong-qing, GAO Lin-zhi, LIU Yan-xue
2005, 23(1): 49-59.
Abstract:
Microspar structures represented by complex ptygmatically folded, dotted lags, blobs or vertical and horizontal ribbons and ve ins are common in Pro terozo ic carbona tesw orldw ide. Microspar structures be ing filled by fine,equant sparry calcite (o...
Volcanic Sedimentation Petrography facies, Identification and Oil-gas Bearing, Chagan Depression, Yin'gen Basin
YANG Zhan-long, GUO Jing-yi, CHEN Qi-lin, SONG Guang-shou, HUANG Gang
2005, 23(1): 67-72.
Abstract:
Based on volcanic sedimentation petrography facies and their identification on seismic, the relationship between volcanic petrography sedimentation facies and oil-gas reservoirs has been discussed, then proposed the prospec- tive areas. In Yin'gen ba...
Sedimentation and Its Form ingMechanism of the Forced Lacustrine Regression in the Rift Lacustrine Basin
CAO Ying-chang
2005, 23(1): 84-90.
Abstract:
The lacustrine regression caused by the falling of the relative lake-level in rift basin is called Forced Lacustrine Regression ( FLR). Given the sediments supply in FLR period, the lacustrine regression action will be strengthened and, corresponding...
Lacustrine Deposits and Associated Trace Fossils in the Upper Part of the Tanzhuang Formation ( T2-3 ), Jiyuan Basin, Henan Province
ZHANG Guo-cheng, ZENG Yu-feng, Buatois L A, Mangano M G
2005, 23(1): 99-107.
Abstract:
The Middle to Upper Triassic Tanzhuang Form ation, being well cropped out near Jiyuan City, Henan Province,represents a part of the infill of the earlyMesozoic Jiyuan-Yima Basin. The upper part of this stratigraphic unit records deposition with in pr...
Role of Lacustrine Carbonate Rock in Establishment of Sequence Stratigraphy Framework of Lower Tertiary in Sube i Basin
JU Chun-rong, HUANG Xing-zhen, YAN Chun-feng, SHAO Hong-shun, TUO Jin-cai
2005, 23(1): 113-121.
Abstract:
As one of important rock types in marine sequence stratigraphy analysis, carbonate rock and its sequence stratigraphic model have been established. Althrough carbonate rocks inMeso-cenozoic lacustrine sediments in China is not very abundant as that i...
Research on the Quaternary Laterite and Paleoclimate in the Dongting Basin
LAI Hong-zhou, MO Duo-wen, LI Xin-po
2005, 23(1): 130-137.
Abstract:
There are many Quaternary laterites around the Dongting Basin. The survey on some typical laterite profiles on the field was carried, and samp ling in the Yueshan laterite p rofile, Yueyang City. Some experiments on the soil samples, such asmagnetic ...
Strategy of Hydrocarbon Exploration in the Petroleum System of the Northern Qa idam Basin
ZHANG Min, YIN Cheng-ming, CHEN Yan
2005, 23(1): 143-149.
Abstract:
Lower-Middle fresh lacustrine shale and coalmeasures with huge thickness have been found in the petroleum system of the northern Qaidam basin. These source rocks are characterized by high abundance of organic matter with mainly type Ⅱ-Ⅲ. The major oi...
Origin and AccumulationModel ofNaturalGases in the Dongfang 1-1 Gas Field of the Yinggehai Basin
ZHAO Bi-qiang, XIAO Xian-ming, HU Zhong-liang, HUANG Bao-jia
2005, 23(1): 156-161.
Abstract:
The Dong fong 1-1 Gas Field of the Y inggehai Basin has great attract iveness because its characterist ics of a shallow burial depth, wide variations of gas composition and occurrence in the diapir fault belt. There have been still problems on gas so...
Geochemical Characteristics and Source ofHydrocarbon Gases ofRecent Sedmi ent from South China Sea
LIN Wei-dong, SHEN Ping, XU Yong-chang, ZHOU Yong-zhang
2005, 23(1): 170-174.
Abstract:
37 samples of hydrocarbon gases in the recent sediment from South China Sea were analyzed for their geochemical composition and 14 samples were analyzed for isotop ic composition of Methane. The re lative average content of methane in the northern co...
Contents
Prototype and Sedimentation of Red Basins along the Ganhang Tectonic Belt
YU Xin-qi, SHU Liang-shu, YAN Tie-zeng, ZU Fu-ping
2005, 23(1): 12-20.
Abstract:
Basin-prototype belongs to the tectonic propertywhen sedimentation occurs. The method of prototype analysis is just used to distinguish one stage basin types from the other stages. Other than working on the volcanical-fault basins of the first circle...
Geological Features and Significance ofOlistostromes from Lower Part of the Mantou Formation in the LuxiAreas, Shandong Province
YAN ZhenYANG, Chang-chunLI, Ji-liang, WANG Zhen-li, XIAO Wen-liao, XU Xing-wang, DUAN Qiu-liang
2005, 23(1): 29-33.
Abstract:
The Mantou Format ion in the North China platform, which overlain the Archaean Taishan Group, mainly consists of terrigenous clastic rocks and carbonate interca lations. In the Zhonggong village of the Jinan city, olistotrome with thickness of about ...
Analyses of Petrology and Sedimentary Environment on Late-Cambrian Carbonate Rocks of the Xiyangshan Formation in NW Jiangxi, China
LI Chun-feng, ZHANG Xiong-hua, CAI Xiong-fei
2005, 23(1): 41-48.
Abstract:
Based on studies of three geological transections (Shadunshang, Yanbei and Dongxia) from 1:50, 000 field mapp ing at Gangkou area, Jianxi, this paper addresses the petrological features and facies distribution of late-Cambrian carbonate rocks of Xiya...
Character istic and GeneticMechan ism of Pyroclastic Base-Surge Deposits of Volcanic Swarm in Longgang Area, Jilin Province
XU De-bin, BAI Zhi-da, ZHANG Bing-lian, HONG Han-jing
2005, 23(1): 60-66.
Abstract:
Pyroclastic base-surge deposits of volcanic cluster in the Longgang region of Jilin Province is one of the few neoteric maar depositswhich are preserved in good condition in China. Based on the lithological characters, lithofacies and sequences, pyro...
Sedimentary Character istics of the CretaceousDesert Fac ies in Ordos Basin and The ir Hydrogeological Sign if icance
XIE Yuan, WANG Jian, JIANG Xin-sheng, LI Ming-hui, XIE ZHENG-wen, LUO Jian-ning, HOU Guang-cai, LIU Fang, WANG Yong-he, ZHANG Mao-sheng, ZHU Hua, WANG De-qian, SUN Yong-ming, CAO Jian-ke
2005, 23(1): 73-83.
Abstract:
During Cretaceous, Ordos Basin had gone two desert sedimentation evolution stages involved from Yijun- Luohe stage to Huanhe stage and from Luohandong stage to J ingchuan stage, controlled by areolation and hydro dyna- mism, under the climate evoluti...
Trace Fossils of Tidal Flat Tataertage Formation (Silurian) in Central Tar im Basin
SHI Zhen-sheng, ZHUXiao-min, WANG Gui-wen, ZHONG Da-kang, ZHANG Xin-pei
2005, 23(1): 91-98.
Abstract:
Trace fossils from the tidal flat Tataertage Formation (Silurian) consist of at least 12 ichnogenera and 12 ichnospecies, namely, Skolithos linearis, Skolithos verticalis, Ophiom orpha nodosa, Thalassinoides suevicus, D iplocraterion parallelum, A re...
Study on ClayM inera ls of P/T Boundary in Meishan Section,Changxin, Zhejiang Province
YU Kai-ping, HAN Guang-min, YANG Feng-li, Mansy J L, XU Chang-hai, ZHOU Zu-yi, CHENG Xin-rong, LIU Zhi-fei, FU Qiang
2005, 23(1): 108-112.
Abstract:
By ana lyzing the c layminerals of P /T boundary inMeishan Section show that the paragenetic association has no re lationsh ip to crystalization, but con incides with the change of formations and members, wh ich re flect the change of c limate, sourc...
A Study on Environmentally Sensitive Grain-size Population in Inner Shelf of the East China Sea
XIAO Shang-bin, LI An-chun
2005, 23(1): 122-129.
Abstract:
Grain-size distribution of 149 sediment samp les of Core DD2 and 3 suspended sediment samp les, pretreated by removing the organic matter and carbonate, are measured by use ofMalvern 2000. The samp ling sites are located in the inner shelf of the Eas...
The EnvironmentalMagnetic Records of Honghu Lake Evolution in Past 1200 Years
CHEN Ping, HE Bao-yin, DU Yun, Kunihiko ENDO, YANG Han-dong
2005, 23(1): 138-142.
Abstract:
Based on the environmental magnetic measurement on the core with the length of 140cm collected from Honghu Lake, it has been analyzed the chart that the environmental magnetic parameters vary alone with the depth.The result suggests that the stable s...
Oil Accumulation Conditions and FormationMemchan ism for E1 3 Oil Pool in Gasikule Oil field of Western Qa idam Basin
DUANYi, PENG De-hua, ZHANG Hui, WU Bao-xiang, ZHENG Chao-yang, WANG Chuan-yuan
2005, 23(1): 150-155.
Abstract:
The crude oils in the western Qaidam Basin are immature-low mature oils from the source rocks deposited under saline lacustrine environment, which are typical genetic kind. Gasikule oilfield is the largest oilfield in western Qaidam Basin. Oil accumu...
Geochemical Character istics of Oil Sand Extracts in Different State from Sandstone Reservoir: Ⅰ linear hydrocarbon———A case study from Triassic Yanchang Formation in Ordos basin
SHI Ji-an, ZHAO Xin, WANG Jin-peng, WANG Qi, LU Long-fei, WANG Lei, WANG You-xiao
2005, 23(1): 162-169.
Abstract:
Through the stepwise separation and extract on free hydrocarbon, sealed hydrocarbon, hydrocarbon in carbonate cement, bounded hydrocarbon and inclusion hydrocarbon within quartz grain on six oil sand samp les from Yanchang Fm. (Triassic), Xifeng oilf...
The Influence of Pressure on Hydrolysis of Fatty Ac id Esters Catalysed by Immature Source Rock at Low Temperature
ZHANG Zai-long, REN Yong-hong, ZHANG Tong-yao, LI Xue-li
2005, 23(1): 183-186.
Abstract:
The evaluation of pressure effects is obtained by performing the hydrolysis of methyl octadecanonate as a model reaction catalyzed by seven different samp les of immature source rock that had first been extracted with organic solvents. The results sh...