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Mazatal Revolution (Proterozoic)
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Deposition
of thick sequence of marine shelf sediments |
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Rising
magma bodies intrude shelf sediments
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Initial
metamorphism of shelf deposits by rising magma bodies
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Large-scale
intrusion of metamorphosed sequence by immense magma bodies
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Widespread
metamorphism and deformation of entire sedimentary sequence
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Deformation
and erosion of metamorphosed sediments forms Grand Canyon Mountains
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