Dike in Granite
Photo of a natural dike running through granite. Dikes are formed when magma crystallizes underground as it is flowing up toward or out of the surface of preexisting rock. The dikes are revealed through erosion.
- Created by
- Pestrong, Ray
- Ray Pestrong Geosciences Slide Collections, San Francisco State Unviersity
Yosemite - Weathering Pits Yosemite Domes Spalling Granite Yosemite - North Dome Erratics and Exfoliation in Yosemite Granitic Surface - Sierras Exfoliating Granite - Sierras Sentinel Dome - Jeffrey Pine Tree Tree Cracking Boulder Dutch Dikes - Close Up Dutch Dikes Yosemite at Sunset Mammoth Lakes - Rock Formation Rock Formation - Bridge Sandstone Domes - Jordan Gorge at Yosemite Taft Point in Yosemite Glacial Till Moraines/Glacial Flow - Alaska Eskers