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Root Action Can Split Rocks

Root Action Can Split Rocks

These are the roots of a gray pine tree, growing near a rock. The roots of the tree are widening the crack in the rocks, which is a type of mechanical weathering known as "root action."
Galleries: Pine Trees, Yosemite National Park
Keywords: gray pine tree, hetch hetchy valley, mechanical weathering, pine tree, plant action, root action, yosemite national park
Photo Location: Yosemite National Park, California
Photographer: Dr. Roy Winkelman
Date of Photo: 07/09/2011
Device Make: Canon
Device Model: Canon EOS 5D Mark II
Original Dimensions: 5616×3744
Picture Orientation: Landscape
GPS Coordinates: 37°46'14.15"N 119°30'38.78"W
Picture Number: 12672