Role of replacement in the genesis of anorthosite in the Boehls Butte area, Idaho
In the Boehls Butte area, Idaho, three large and numerous small lenses of layered to massive anorthosite consisting of two, and locally three, types of plagioclase and minor hornblende and micas occur in aluminum silicate-rich garnet mica schist. In most of this anorthosite, andesine megacrysts with...
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Format: | Article |
Language: | English |
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Geological Society of Finland
1986-06-01
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Series: | Bulletin of the Geological Society of Finland |
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Online Access: | http://www.geologinenseura.fi/bulletin/Volume58/sgs_bt_058_1_pages_071_079.pdf |