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Student Number 87224002
Author Hsien-Wei Pi(皮先瑋)
Author's Email Address No Public.
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Department Graduate Institute of Geophysics
Year 1999
Semester 2
Degree Master
Type of Document Master's Thesis
Language zh-TW.Big5 Chinese
Title A Study of the Stratum Boundary between Late Pleistocene And Holocene in Coastal Plain, Southwestern Taiwan By Direct Current Resistivity Method
Date of Defense 2000-07-17
Page Count 87
Keyword
  • DC Method
  • Abstract Geoelectric surveys at 461 VES locations were carry out in the area of the coastal plain between Peikangchi and Erhienchi, southwestern Taiwan. The sounding data were interpreted by using 1-D inversion method. The electrostratigraphy in the study area can be obtained.
    Based on the resistivity and thickness of the layers derived from the sounding data, three electrostratigraphic units are being recognized. From the ground surface to a depth of 200 m, the strata were named the T, S, and R facies. The resistivity of T-facies is ranging from 10 to 50 ohm-m with a thickness of 1 to 90 m. It locates in the center and east of the study area and associated with the terrestrial, estuarine and lagoonal environments. The resistivity of S-facies is less than 8 ohm-m. it has a thickness ranged from 35 to 120 m or more. Most of S-facies are overlaid by the T-facies in the western part. It may associate with a marine environment. The resistivity of R-facies is ranging from 3 to 90 ohm-m. It is overlaid by the T-facies in the eastern part and by the S-facies in the western part of the study area. In the southern part of the study area (between Yanshuichi and Erhjenchi), the S-facies and R-facies may merge together in a great depth. But we can’t prove it by a limited depth penetrating of this survey. The R-facies may deposite in the terrestrial and estuarine environments.
    Based on the dating results obtained from well samples, the T and R-facies were deposited in Holocene, and the R-facies was deposited in late Pleistocene. The boundry between R and T-facies or R and S-facies may associate with geological boundary between late Pleistocene and Holocene. The depth of the boundary is ranging from 10 to 130 m below the sea level, it has a trend of increase the depth from northeastern to southwestern. However, the boundary between Yanshuichi and Erhjenchi is still uncertainty from our data.
    Table of Content 第一章 緒論………………………………………………………….1
    1.1 研究動機與目的…………………………………………….1
    1.2 文獻回顧…………………………………………………….1
    1.3 本文內容…………………………………………………….2
    第二章 研究區域環境概述………………………………………….3
    2.1 測區地理環境及地形特徵概述…………………………….3
    2.2 測區地質概況……………………………………………….3
    第三章 研究原理與方法…………………………………………….6
    3.1 基本原理…………………………………………………….6
    3.2 野外施測方式……………………………………………….9
    3.3 資料處理及解釋…………………………………………….9
    第四章 研究成果與討論……………………………………………15
    4.1 垂直電探曲線分析…………………………………………15
    4.2 地層剖面分析………………………………………………19
    4.2.1 視電阻率水平剖面分析…………………………….19
    4.2.2 同深度地層電阻率剖面分析……………………….25
    4.3 電性地層單位與井資料對比………………………………29
    4.4 電性地層單位與垂直剖面…………………………………56
    4.5 全新世與晚更新世地層的界限…………………………….69
    第五章 結論…………………………………………………………74
    參考文獻………………………………………………………………76
    附錄A 垂直電探曲線測點座標……………………………………79
    英文摘要………………………………………………………………86
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    英文部份
    Cheng, P. H., Yang, C. H., Huang, Y. S., Liu, T. K., and Sung, Q. C., 1999. An Electrostratigraphic Study of the Hsinying-Matou Coastal Plain,Southwestern Taiwan︰ TAO, 1, 277-291.
    Cheng, P. H., Yang, C. H., Mei J. K., and Liu, T. K., 1999. Electrostratigraphic Study of the Tainan Coastal Plain, Southwestern Taiwan︰ TAO, 3, 569-584.
    Jupp, D. L. B., and Vozoff, K., 1975. Stable iterative methods for geophysical inversion︰ Geophys. J. Roy. astr. Soc., 42, 957-976.
    Sun, S. C., 1964. Photogeologic study of Tainan-Kaohsiung Coastal plain area, Taiwan︰ Petroleum Geology, 3, 39-51.
    Sun, S. C., 1971. Photogeologic study of Hsyning-Chiayi Coastal plain, Taiwan︰ Petroleum Geology, 8, 65-75.
    Sun, S. C., 1972. Photogeologic study of the Peikang-Choshuichi Coastal Plain Area, Taiwan︰ Petroleum Geology, 10, 189-199.
    Zohdy, A. A. R., 1989. A new method for the automatic interpretation of Schlumberger and Wenner sounding curves︰ Geophysics, 54, 245-253.
    Advisor
  • Chieh-Hou Yang(楊潔豪)
  • Files
  • 87224002.pdf
  • approve immediately
    Date of Submission 2000-07-17

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