Biotites in granites, biotites in gneisses, and the status of biotite as a one-mineral environment indicator
Some aspects of one-mineral geological environment indicators are discussed. Factors controlling the composition of biotite in different P, T, and chemical environments are reviewed. On the basis of theoretical considerations and empirical observation it is concluded that biotites in igneous granite...
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Format: | Article |
Language: | English |
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Geological Society of Finland
1970-12-01
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Series: | Bulletin of the Geological Society of Finland |
Online Access: | http://www.geologinenseura.fi/bulletin/Volume42/sgs_bt_042_pages_023_032.pdf |