Monthly Archives: November 2011

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 … Continue reading

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Cloud over Pothole Dome

Looking up the steep south side of Pothole Dome in Tuolumne Meadows, Yosemite. Global warming at the end of the Pleistocene melted the ice that was hundreds of feet deep here — ice that carved wavy potholes in the rock … Continue reading

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Cloud over Mono Craters

A contrail, actually, and a small regular cloud. A sort of exclamation point with the dot blown out from under it. On a windy October day in the Mono Basin. Tim Messick Photography • Graphics Copyright © 2011 Tim Messick. … Continue reading

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