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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/5539

    Title: 潮州斷層之電阻率構造研究;An Electirc Resistivity Study of Chau-Chou Fault
    Authors: 梁勛泓;Hsung-Hung Liang
    Contributors: 地球物理研究所
    Keywords: 潮州斷層;電阻率;Chau-Chou Fault;Resistivity
    Date: 2007-07-07
    Issue Date: 2009-09-22 09:56:13 (UTC+8)
    Publisher: 國立中央大學圖書館
    Abstract: 本研究利用地電阻法來調查潮州斷層的位置與地質構造形貌。測線北起青葉,南至加祿,共有14條電阻率剖面測深資料。結果指出潮州斷層有寬的逆衝斷層帶,含主要斷層破裂與副斷層破裂。由電阻率構造資料可分辨屏東平原堆積層與中央山脈板岩交界位置,測線電阻率出現不連續,是潮州斷層的位置。潮州斷層西側為下盤屏東平原之沖積層,上部是高電阻層,電阻率約200~700Ω-m,下部電阻率低於150Ω-m;東側為上盤中央山脈板岩,電阻率約200~600Ω-m。 高電阻帶存在於地表及測線東邊深部,地表高電阻為粒度粗的沖積層,電阻率約為150~650Ω-m;深部高電阻帶在不同測線有著不同形貌,青山村測線高電阻帶分布於東側深50~100公尺,與西側電阻率小於150Ω-m的屏東平原推積層帶相比,有明顯區分兩種地質材料的界線,研判是潮州斷層主要破裂的位置;三地門測線高電阻帶位於東面深100~180公尺處,寬度達到400公尺,似背斜構造,而上方則有高低電阻混雜的擾動帶,研判可能是其東側斷層作用造成的結果。主要破裂帶可在青葉、青山村、新厝、餉潭、BB’等測線的電阻率構造剖面看見。 加上加祿的四條剖面,以及大鵬灣的鑽井資料,研判潮州斷層呈現南北走向,並且由加祿向南延伸出海。  The RIP method is used to investigate the location and geological structure of Chauchou fault. An electrical prospecting including 14 electric resistivity image profilings was conducted across the suggested Chauchou fault line from Ching-ye to Jia-lu. The results indicate that the Chaochou fault has a fault zone of several hundreds meters wide, including main fault zone and minor fault zones. The slate rock on the eastern side of the Chaouchou fault exhibits a dominant resistivity of 200-600Ω-m. While the sediments on the western side of the fault can be grouped into two parts, the upper part has a dominant resistivity of 200-700Ω-m for several tens of meters in thickness varying with location, and the lower part exhibits a dominant resistivity of 30-200Ω-m. Boundaries of electric resistivity discontinuities dipping westward were found in the profiles of Ching-ye, Ching-shan-tsuen, Jia-yi. Which dipping eastward were found in the profile of Shin-tsuo and Shin-tsuo2. A shape of anticline exists in the eastern part of the profile at San-di-men. Electric resistivity discontinuities can not be found on the profiles conducted at Shiang-tan, Shiang-tan2, and Guei-chung.
    Appears in Collections:[地球物理研究所] 博碩士論文

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