X-RAY CT IMAGING OF PORES AND FRACTURES IN THE KAKKONDA GRANITE, NE JAPAN

World Geothermal Congress 2000,

Beppu & Morioka, Japan

2000.5.31-6.7


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Contents

X-RAY CT IMAGING OF PORES AND FRACTURES IN THE KAKKONDA GRANITE, NE JAPAN

Introduction

Purpose & Method

Kakkonda Geothermal field

Medical & Industrial X-ray CT scanners

Mesoscopic observation by medical CT

Microscopic observation by industrial CT

3D Image of miarolitic cavities

Binary Perspectives of Miarolitic Cavities

Size distribution of miarolitic cavities

Shape analysis of miarolitic cavities

Flinn Diagram

Conclusions

Acknowledgment and References

Authors :Tomoyuki OHTANI, Yoshito NAKASHIMA, Tsukasa NAKANO, Hirofumi MURAOKA