Calcic plagioclases associated with chloritoid schists in the Hitachi District, Ibaragi Prefecture
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چکیده
منابع مشابه
The occurrence of paragonite in chloritoid schists from Stonehaven, Scotland
Paragonite has been found in two chloritoid-chlorite-mica schists from the Dalradian, north of Stonehaven. The principal bulk-chemical constraints on the occurrence of this mineral within the chloritoid zone appear to be the ratios of soda to potash and the A1203 contents of the rock. The composition of paragonite coexisting with muscovite indicates a crystallization temperature of 550 ~ for ro...
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چکیده ندارد.
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ژورنال
عنوان ژورنال: The Journal of the Japanese Association of Mineralogists, Petrologists and Economic Geologists
سال: 1956
ISSN: 0021-4825,1883-0765
DOI: 10.2465/ganko1941.40.155