Rock Structures Mt. St. Helens, October 2004. Igneous Structures: Plutons, Volcanoes, & Lava Flows...
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Transcript of Rock Structures Mt. St. Helens, October 2004. Igneous Structures: Plutons, Volcanoes, & Lava Flows...
Why do we find Plutons at the Surface?
Sierra Nevada Mountains Batholith, California
Uplift & Erosion
Inter-Bed Structures(within strata)
•Graded Beds•Cross Beds•Dropstones
Outcrop of turbidites, Carboniferous,
northwestern China.