Mapping Yosemite’s Granite

Fascinating study being done by Roger Putnam on the different types of granite that make up the most famous granite formation in the world:

To get a more complete and detailed picture, Putnam spent six weeks doing fieldwork on El Capitan, in May and June of last year. During that time he climbed the entire face three times and rappelled all the way down twice. He also climbed numerous shorter routes, always working with an experienced climber as partner.
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Posted In: Asides, Traditional Climbing


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