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Title Transcription
カコウガン キュウシャメン ニ ハッタツ スル シーティング セツリグン ノ ケイタイ ト タクエツ ホウコウ : ヒロシマシ ハヤタガワ チイキ オヨビ クレシ ヒガシノウミシマ チイキ ヲ レイ トシテ
Title Alternative (English)
Sheeting joints and their dominant trends on steep slopes of granitic rocks in the Yahata River and Higashi-noumi-Jima areas, Hiroshima, Japan
File
language
jpn
Author
Hamaoki, Toshifumi
Yokota, Shuichiro
Sakimura, Nobuyuki
Description
Dips and strikes of sheeting joints developed in steep valleys of granite in Hiroshima, were measured to understand the geometrical relationship between sheeting joints and slopes. The results show low angle sheeting joints tend to have the same direction as the slopes. Dip angle is gentler(10 to 20 degrees)than those of the slopes. The strike of the sheeting joints is also roughly concordant with those of the slope shape.
Considering that no heterogeneous texture exists in the granite, the correspondence mentioned above suggests that these features formed under the influences of the shape of the steep slopes and their formation process. Shear stress due to unsymmetrical pressure within slopes or seismic vibration may form such sheeting joints.
Journal Title
島根大学地球資源環境学研究報告
Volume
26
Start Page
11
End Page
24
ISSN
13439774
Published Date
2007-12-27
NCID
AA11455176
Publisher
島根大学総合理工学部地球資源環境学教室
Publisher Aalternative
Department of Geoscience, Interdisciplinary Faculty of Science and Engineering, Shimane University
NII Type
Departmental Bulletin Paper
OAI-PMH Set
Interdisciplinary Graduate School of Science and Engineering
Remark
12-14,16+ / 1993+
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