Influence of Fault on the Anisotropy of Pore Structure and Permeability in Granite, Tono Area, Central Japan

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not registered; Uehara, Shinichi*; not registered; not registered

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The effect of micro-cracks on the transport properties of granite is studied using laser scanning microscope. 3D images of pore structure show the influence on the porosity and permeability. Anisotropy of micro-cracks are observed on two different directions in respect to the main structure. Results on permeability show a decreases by a factor of one to two order of magnitude in the direction parallel to the fault zone. In the conference will be discussed the implications of anisotropy of micro-cracks on the transport properties in crystalline rocks.

使用言語	:	English
掲載資料名	:	American Geophysical Union 2002 Fall Meeting
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ページ数	:	p.F1371 - F1372
発行年月	:	2002/12
発表会議名	:	American Geophysical Union 2002 Fall Meeting (AGU 2002)
開催年月	:	2002/12
開催都市	:	Aan Francisco
開催国	:	U.S.A.
キーワード	:	no keyword

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登録番号 : 07-2002-0049
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