Amphiboles and biotite in relation to the stages of metamorphism in granogabbro
spitsbergen, shows a series of amphibole development reflecting its thermal history. A brown Ti-rich hornblende occurs as a late magmatic mantling of pyroxene. Low-grade metamorphism (greenschist facies) was accompanied by the development of actinolite from pyroxene; subsequent amphibolite facies me...
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| Language: | English |
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1974
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| Online Access: | http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.626.9304 http://www.minersoc.org/pages/Archive-MM/Volume_39/39-308-857.pdf |