MINERALOGY OF SURFACE SEDIMENT IN THE EASTERN AREA OFF THE RYUKYU ISLANDS AND ITS GEOLOGICAL SIGNIFICANCE
-
摘要: 以X射线衍射仪为主要手段,对琉球群岛以东海域调查区表层底质沉积物中全样矿物组分进行分析和研究,结果表明本区共识别出9种矿物:蒙皂石、伊利石、云母、高岭石、绿泥石、石英、钾长石、斜长石、方解石。分析其沉积物由3种主要物质来源:陆源物质、火山物质、生物碎屑物质等组成。Abstract: The mineral composition of the bulk samples of the surface sediment in the eastern area off the Ryukyu Islands is studied with X-ray diffraction(XRD). It is found that the sediment consisting of smectite, illite+mica, kaolinite+chlorite, quartz, potash feldspar, plagioclase and calcite, is dominated by quartz, illite+mica, calcite and plagioclase, and kaolinite+chlorite and smectite occupy the second place with potash feldspar occasionally observed. According to the mineral composition, it is deduced that the sediment came from terrigenous, volcanic and biogenic sources.
-
-
[1] Rex R W. X-ray mineralogy studies[R]. Initial Reports of the Deep Sea Drilling Project, 1, 1968:354-367.
[2] Pierce J W, Siegel F R. Quantification in clay mineral studies of sediments and sedimentary rocks[J]. Journal of Sedimentary Petrology, 1969, 39(1):187-193.
[3] 俞旭,郑开云,黄雅天. 东海大陆架表层沉积物的X射线研究.黄东海地质[C].北京:科学出版社,1982:124-140.[YU Xu, ZHENG Kaiyun, HUANG Yatian. A study of sediments of the East China Sea by means of X-ray analysis[C].Beijing:Science Press, 1982:l24
-140.]
[4] 石学法,陈丽蓉,李坤业,等. 西菲律宾海沉积物矿物组合及其地质意义[J]. 海洋与湖沼,1994,25(3):328-335.
[SHI Xuefa, CHEN Lirong, LI Kunye, et al. The mineral assemblages in the sediments in the west Philippine Sea and their geological implication[J]. Oceanologia et limnologia Sinica, 1994,25(3):328-335.]
[5] 颜文,陈忠,王有强,等. 南海NS93-5柱样的矿物学特征及矿物沉积序列[J]. 矿物学报,2000,20(2):143-149.
[YAN Wen, CHEN Zhong, WANG Youqiang, et al. Mineralogical characteristics and mineral sedimentary sequences of core NS93-5 from South China Sea[J]. Acta Mineralogica Sinica, 2000, 20(2):143-149.]
[6] Cook H E, Johnson P D, Matti J C, et al. Methods of sample preparation and X-ray diffraction data analysis, X-Ray Mineralogy Laboratory, Deep Sea Drilling Project, University of California, Riverside[C]//Initial Report of the DSDP, Leg 28, DSDP Volume XXVⅢ. University of California, Riverside, 1975:999-1007.
[7] 刘志飞,Colin C, Trentesaux A等. 南海南部晚第四纪东亚季风演化的黏土矿物记录[J].中国科学D辑,2004,34(3):272-279.
[LIU Zhifei, Colin C, Trentesaux A, et al. Clay mineral recording late Quaternary East Asian monsoon evolution in the south of the South China Sea[J]. Science in China (Series D), 2004, 34(3):272-279.]
[8] 俞旭,江超华. 现代海洋沉积矿物及其X射线衍射研究[M].北京:科学出版社,1984.[YU Xu, JIANG Chaohua. Mineralogy and X-ray Diffraction Research on Modern Marine Sediment[M]. Beijing:Science Press, 1984.]
[9] 高水土,张德玉,陈荣华,等. 南海北部表层沉积物中黏土和碎屑矿物组成及其地质意义[J]. 海洋学报,2008,30(1):86-92.
[GAO Shuitu, ZHANG Deyu, CHEN Ronghua,et al. Composition of clay and detrital minerals in surface sediment of the northern South China Sea and geological significance[J]. Acta oceanologica Sinica, 2008,30(1):86-92.]
[10] Kodaira S, Iwasaki T, Urabe T, et al. Crustal structure across the Ryukyu trench obtained from ocean bottom seismographic data[J].Tectonophysics,1996,263:39-60.
[11] Seno T,Maruyama S. Paleogeographic reconstruction and origin of the Philippine Sea[J]. Tectnophysics, 1984, 102:53-84.
[12] 高祥林.琉球海沟的构造和运动特征[J].地球物理学进展, 2003,18(2):293-301.
[GAO Xianglin. Tectonics and motion of the Ryukyu Trench[J]. Progress in Geophysics,2003, 18(2):293-301.]
[13] 林美华,李乃胜. 琉球海沟构造地貌[J].青岛海洋大学学报,1998,28(3):497-501.
[LIN Meihua,LI Naisheng. On the structural landforms of the Ryukyu Trench[J]. Journal of Ocean University of Qingdao, 1998, 28(3):497-501.]
[14] 臧绍先,宁杰远. 菲律宾海板块与欧亚板块的相互作用及其对东亚构造运动的影响[J]. 地球物理学报, 2002, 45(2):188-197.
[ZANG Shaoxian,NING Jieyuan. Interaction between Philippine Sea plate(PH) and Eurasia(Eu) plate and its influence on the movement eastern Asia[J]. Chinese journal of Geophysics, 2002, 45(2):188-197.]
[15] Ahagon N, Tanaka Y,Ujiie Y. H.Florisphaera profunda, a possible nannoplankton indicator of late Quaternary changes in sea-water turbidity at the northwestern margin of the Pacific[J]. marine Micropaleontology, 1993, 22:255-273.
[16] Ujiie H,Ujiie Y. Late Quaternary course changes of the Kuroshio Current in the Ryukyu Arc region, northwestern Pacific Ocean[J]. Marine Micropaleontology, 1999, 37:335-364.
[17] Ujiie Y, Ujiie H, Taira A, et al. Spatial and temporal variability of surface water in the Kuroshio source region, Pacific Ocean, over the past 21000 years:evidence from planktonic foraminifera[J]. Marine Micropaleontology, 2003, 49:335-364.
[18] Ujiie H, Tanaka Y,Ono T. Late Quaternary paleoceanographic record from the middle Ryukyu Trench slope, northwest Pacific[J]. Marine Micropaleontology, 1991, 18:115-128.
[19] Lee I T, Ogawa Y, et al. Sedimentological study of piston core off Kyushu-Palau Ridge KT94-10,P-01[J]. Geological Sciences, 1996, 17:25-38.
[20] Ujiie Y. Mud diapirs observed in two piston cores from the landward slope of the northern Ryukyu Trench, northwestern Pacific Ocean[J]. Marine Geology, 2000, 163:149-167.
[21] 王昆山,石学法,鄢全树,等.琉球群岛以东海区沉积物重矿物分布及来源[J].海洋地质与第四纪地质,2008,28(5):21-28.
[WANG Kunshan, SHI Xuefa, YAN Quanshu, et al. Distribution and sources of heavy minerals in surface sediments in the sea area east of the Ryukyu Islands[J]. Marine Geology and Quaternary Geology, 2008, 28(5):21-28.]
[22] 方习生,石学法,王昆山,等. 琉球群岛以东海域表层沉积物元素地球化学特征[J]. 海洋科学进展,2006,24(1):9-16.
[FANG Xisheng, SHI Xuefa, WANG Kunshan, et al. Geochemical characteristics of surface sediments from the eastern area off the Ryukyu Islands[J]. Advances in Marine Science, 2006,24(1):9-16.]
[23] Tie L, Toshiyuki M, Hiroyuki K. Seasonal variations in settling fluxes of major components in the oligotrophic Shikoku Basin, the western North Pacific:coincidence of high biogenic flux with Asian dust supply in spring[J]. Marine Chemistry, 2004, 91:187-210.
[24] 石学法译.新生代世界海洋沉积物中的石英和长石[J].海洋地质动态,1992(2):9-10.[SHI Xuefa.Quartz and feldspar of marine sediments in the Cenozoic[J]. Marine Geology Letters, 1992
(2):9-10.]
-
计量
- 文章访问数: 1114
- PDF下载数: 4
- 施引文献: 0
下载: