Aplite Teeth

Aplite is a fine-grained, whitish rock seen throughout the Sierra Nevada as veins or threads running through the massive, coarse-grained, salt-and-pepper colored granitic domes and cliffs. Stroll across any bit of granite in Yosemite and you’ll find a dike (a crack intruded by molten rock) filled with aplite within a minute or two.

This aplite dike near the summit of Pothole Dome, in Tuolumne Meadows, has weathered and eroded into some interesting and unusual forms.  To me it looks like hundreds of huge, fossilized teeth.

Glacial erratics and a very weathered aplite dike near the top of Pothole Dome.

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Tim Messick Photography • Graphics
Copyright © 2011 Tim Messick. All rights reserved.

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About Tim Messick

Photographer, cartographer, and botanist/naturalist. Home is in Davis, California. Home-away-from-home is the eastern Sierra Nevada. Compiling a flora of the Bodie Hills.
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