Geophotography - Caitlyn Wineland

Products of Eruption

Crater Lake

Photograph and text by Caitlyn Wineland

Volcanic eruptions create many different types of rock. In this photograph, a piece of dark, glassy obsidian juts out of from a bed of rainbow-colored pumice at Crater Lake National Park. These two varieties of rock are products of different stages of Mt. Mazama’s massive eruption 7,700 years ago.


A Standout In Volcanic History

Smith Rock State Park

Photograph and text by Caitlyn Wineland

A colorful avalanche of sharp, flaky rhyolite fills the foreground. Looming red towers of welded-tuff rise above the valley. Volcanic rocks dominate at Smith Rock State Park, highlighting the role of volcanoes in shaping this landscape.


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Geophotography Fall 2014