Glass and amygdules in Precambrian diabases from Orivesi, southern Finland
Glassy apophyses of a Precambrian diabase dyke appear at Orivesi, southern Finland. In chemical composition the glass is a subalkaline tholeiite. The glass content of the apophyses is 90 %, the only crystals found being two generations of plagioclase and some sporadic olivine. The intrusion temperat...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
Geological Society of Finland
1980-12-01
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| Series: | Bulletin of the Geological Society of Finland |
| Online Access: | http://www.geologinenseura.fi/bulletin/Volume52/sgs_bt_052_2_pages_221_229.pdf |