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ID 21108
Eprint ID
21108
FullText URL
Title Alternative
Relict igneous minerals of the Sangun metamorphic rocks of the Tsuboi district, Okayama Prefecture
Author
Li, Qing-Yi
Mitsuno, Chiharu
Abstract
The Sangun metamorphic rocks of the Maniwa Group are well developed in the Tsuboi district, Okayama Prefecture. These metamorphic rocks consist mainly of psammitic and pelitic sedimentary rocks and lavas and pyroclastics of basic to acidic compositions that recrystallized during the Sangun low-grade regional metamorphism. The metamorphic rocks in this district underwent to a considerable extent a mineralogical and textural transformation, but still preserve in parts their original, mineralogical and textural features. Unaltered, relict clinopyroxenes and hornblendes are commonly observed in the metamorphic rocks derived from basic lavas and intermediate pyroclastics. Microprobe analyses of these relict minerals suggest that their host rocks were probably derivatives of magma(s) with a non-alkaline affinity.
Note
原著論文 (Original Papers)
Published Date
1984-03-25
Publication Title
岡山大学温泉研究所報告
Publication Title Alternative
Papers of the Institute for Thermal Spring Research, Okayama University
Volume
volume54
Publisher
岡山大学温泉研究所
Publisher Alternative
Institute for Thermal Spring Research, Okayama University
Start Page
43
End Page
53
ISSN
0369-7142
NCID
AN00032853
Content Type
Departmental Bulletin Paper
language
日本語
File Version
publisher
Refereed
False
Eprints Journal Name
mmc