Gismondine and associated zeolites from Aranga,Northland,New Zealand (鮫島輝彦先生追悼論文集)
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概要
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Clear and chalky varieties of gismondine are described from vesicles and small dykelets penetrating a basic andesite flow in the Aranga area of Northland, New Zealand. X-ray diffraction, Fourier transform infra-red and thermal data are used to characterise these two varieties ( clear and chalky). Results show that despite differences in physical appearance there appears to be no significant chemical difference between the two varieties. However, the chalky variety contains* more low-temperature water, has more Al and less alkalies than the clear variety.
- 静岡大学の論文