Epidiorite Glacial Erratic

Description: Glacial erratic - part of boulder weighing several tons. Epidiorite (a metamorphosed igneous rock composed of actinolitic amphibole) crossed by quartz veins. From Loch Awe area of western Argyle Scotland. Has distrinctive radiating, swirling phenocrysts of ?actinolite.

Taxonomic name: glacial erratic: Loch Awe epidiorite

Collection: Natural History Geology Collection