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Half Dome & Yosemite Valley (Sierra Nevada Mountains, California, USA) 12 | by James St. John
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Half Dome & Yosemite Valley (Sierra Nevada Mountains, California, USA) 12

The granites of Yosemite Valley and Half Dome are part of an extensive, Cretaceous-aged intrusive complex in eastern California called the Sierra Nevada Batholith. The complex consists of numerous individual plutons, many of which are old, cooled magma chambers that were originally beneath ancient subduction zone volcanoes.

 

Locality: view from Glacier Point, Yosemite National Park, Sierra Nevada Mountains, eastern California, USA

 

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Taken on July 9, 2010