Orbicular quartz diorite in Kemi, NW Finland
The orbicular rock in Kemi is exposed in one outcrop 10 m2 in size. The country rock is a quartz diorite of the Archean pre-Svecokarelian basement complex. The orbicules are spheroidal or ellipsoidal, 5-16 cm in diameter, and randomly distributed in a leucocratic quartz diorite matrix. They may have...
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| Format: | Article |
| Language: | English |
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Geological Society of Finland
1983-06-01
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| Series: | Bulletin of the Geological Society of Finland |
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| Online Access: | http://www.geologinenseura.fi/bulletin/Volume55/sgs_bt_055_1_pages_051_056.pdf |