Petrography and protoclastic structures of the orbiculite boulders from Sääkslahti, Toivakka, Finland and the magmatic genesis of orbiculites
Firstly, two of the many orbiculite boulders found at Sääkslahti are described. The matrix of the orbiculites varies from diorite to quartz monzonite. Orbicule are compositionally heterogeneous (from essentially plagioclasic through all kinds of intermediate types to hornblendic), and often they are...
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| Format: | Article |
| Language: | English |
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Geological Society of Finland
1974-06-01
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| Series: | Bulletin of the Geological Society of Finland |
| Online Access: | http://www.geologinenseura.fi/bulletin/Volume46/sgs_bt_046_1_pages_053_074.pdf |