Resources 1984 – E. Points of Geological Interest in Crater Lake National Park 9. Mazama Rock

Historic Resource Study, Crater Lake National Park, Oregon, 1984

 V. Geological and Biological Information on Crater Lake Area

E. Points of Geological Interest in Crater Lake National Park

   9. Mazama Rock

This is a single huge block of andesite at least sixty feet high thought to have fallen from or been blown out of Mount Mazama. Erosion has removed surrounding materials.

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