Finding of Axinite-schist in the Sangun Metamorphic Zone at Mitaké, Yamaguchi Prefecture, Southwest Japan

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Title ( eng )
Finding of Axinite-schist in the Sangun Metamorphic Zone at Mitaké, Yamaguchi Prefecture, Southwest Japan
Creator
NUREKI Terukazu
Source Title
Journal of science of the Hiroshima University. Series C, Geology and mineralogy
Volume 5
Issue 3
Start Page 241
End Page 253
Abstract
Axinite, in association with epidote, stilpnomelane and chlorite, was newly found from green-schist in the Sangun metamorphic zone. Complete chemical analysis of axinite has not been successful, because most grains of the axinite include a number of minute grains of quartz and perhaps of sphene. The axinite may be manganoan one, and has optical properties such as followings: α = 1.674, β=1.680, γ=1.683, optically negative, 2V=70°. The X-ray diffraction patterns show noted similarity to the patterns recorded for axinite from Dauphine, France. The refractive indices for the axinite are unexpectedly lower than those for the manganoan axinite so far reported by many authors.
The axinite was recognized as one of metamorphic minerals which were stably crystallized under the condition of the quartz-albite-muscovite-chlorite subfacies of TURNER and VERHOOGEN (1960).
Language
eng
Resource Type departmental bulletin paper
Publisher
HIROSHIMA UNIVERSITY
Date of Issued 1967-05-31
Publish Type Version of Record
Access Rights open access
Source Identifier
[ISSN] 0075-4374
[NCID] AA00706718