Antigorite with a large supercell from Saganoseki, Oita Prefecture, Japan

Seiichiro Uehara, K. Kamata

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

Variations in supercell parameters and chemical compositions for nine samples of antigorite from the Saganoseki area were studied. The XRD patterns give various A parameters of the supercell as well as varying subcell dimensions. Furthermore, SAED patterns show a wider range of A parameters, from 32 to 60 Å. The antigorite from Saganoseki has a high Al/Fe value. The large parameters of the supercell in antigorite are characteristic of serpentinites formed under low-temperature and high-temperature and high-pressure (pumpellyite-actinolite facies) conditions. The AEM rsults suggest that the correlations of the Fe contents or the Al contents with M parameter are not always distinct within a specimen, and may depend on other structural and chemical parameters. -from Authors

Original languageEnglish
Pages (from-to)93-103
Number of pages11
JournalCanadian Mineralogist
Volume32
Issue number1
Publication statusPublished - Jan 1 1994

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Serpentine Asbestos
antigorite
supercell
pumpellyite
Temperature
Chemical analysis
parameter
chemical composition
X-ray diffraction

All Science Journal Classification (ASJC) codes

  • Geochemistry and Petrology

Cite this

Antigorite with a large supercell from Saganoseki, Oita Prefecture, Japan. / Uehara, Seiichiro; Kamata, K.

In: Canadian Mineralogist, Vol. 32, No. 1, 01.01.1994, p. 93-103.

Research output: Contribution to journalArticle

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