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Miarolitic granite


Miarolitic granite

Photo Copyright © William C. van Laer, 2004  - This image is copyrighted. Unauthorized reproduction prohibited.
Photo showing a granite outcrop near Glens Peak, Elmore County, Idaho, with numerous small miarolitic cavities. Although none of these tiny vug openings are over an inch in maximum dimension, each one is lined with tiny, euhedral smoky quartz and feldspar crystals.

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