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Metamorphic Core Complex (Rocks exposed (Exposures of deep crust exhumed
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Metamorphic Core Complex
Basic
Structure
- Bulging cover of unmetamorphosed rocks (tectonically on top)
- Domed core of metamorphosed rocks (beneath)
= intruded by granitoids (plutons)
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Kinematic Features
- Consistent orientations stretching lineations / shear sense
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Case Study
Albion, Grouse Creek & Raft River core complex
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'Turtleback'
Gently domed antiforms
(amplitude ~400m, wavelength 6km)
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