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Rhyolite lava domes of the Mono Craters

By California Volcano Observatory
Viewed from overhead, the gray and rubbly rhyolite lava domes of the Mono-Inyo Craters are interspersed with smooth patches of volcanic ash and scoria. In the distance, a snow-capped mountain range surrounds a broad lake.
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Detailed Description

Mono Craters consists of a series of high-silica rhyolite lava domes, many erupted within the last 10,000 years. The domes are often steep, glassy, and contain very few phenocrysts.

Sources/Usage

Public Domain.

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