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ID 36993
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Structural Relationship between Sangun Metamorphic Rocks and Jurassic Chizu Formation <Article>
creator
NDC
Earth sciences. Geology
abstract
Based on the results of a field survey, we describe in this paper the structural relationship between the Sangun metamorphic rocks and the Jurassic Chizu Formation in Okayama Prefecture, southwest Japan. The Sangun metamorphic rocks are a high-pressure type and commonly display three generations of foliation. The Chizu Formation is a tectonic mélange and has suffered from low-grade metamorphism. We infer from the distribution of the Sangun metamorphic rocks and Chizu Formation in the southwestern part of the surveyed area that the Sangun metamorphic rocks underlie the Chizu Formation in fault contact. This result indicates that high-pressure-type metamorphic rocks do not always overlie the accretionary prism, such as in the relationship between the Sanbagawa metamorphic rocks and Shimanto Formation in Shikoku, Japan.
journal title
Bulletin of the Graduate School of Integrated Arts and Sciences, Hiroshima University. II, Studies in environmental sciences
volume
Volume 9
start page
41
end page
51
date of issued
2014-12-31
publisher
広島大学大学院総合科学研究科
issn
1881-7696
ncid
language
jpn
nii type
Departmental Bulletin Paper
HU type
Departmental Bulletin Papers
DCMI type
text
format
application/pdf
text version
publisher
rights
Copyright (c) 2014 Graduate School of Integrated Arts and Sciences, Hiroshima University. All rights reserved.
department
Graduate School of Integrated Arts and Sciences
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