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Basin & Rangesioviz.ucsd.edu/~fialko/tectonics/Lecture3.pdf · BASIN BRITTLE UPPER CRUST DUCTILE...

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Basin & Range
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Page 1: Basin & Rangesioviz.ucsd.edu/~fialko/tectonics/Lecture3.pdf · BASIN BRITTLE UPPER CRUST DUCTILE CRUST HE MAGM The important difference is in the recognition of low-angle detachments

Basin & Range

Page 2: Basin & Rangesioviz.ucsd.edu/~fialko/tectonics/Lecture3.pdf · BASIN BRITTLE UPPER CRUST DUCTILE CRUST HE MAGM The important difference is in the recognition of low-angle detachments

Low-angle normal faultstrending NE-SW

Page 3: Basin & Rangesioviz.ucsd.edu/~fialko/tectonics/Lecture3.pdf · BASIN BRITTLE UPPER CRUST DUCTILE CRUST HE MAGM The important difference is in the recognition of low-angle detachments
Page 4: Basin & Rangesioviz.ucsd.edu/~fialko/tectonics/Lecture3.pdf · BASIN BRITTLE UPPER CRUST DUCTILE CRUST HE MAGM The important difference is in the recognition of low-angle detachments
Page 5: Basin & Rangesioviz.ucsd.edu/~fialko/tectonics/Lecture3.pdf · BASIN BRITTLE UPPER CRUST DUCTILE CRUST HE MAGM The important difference is in the recognition of low-angle detachments
Page 6: Basin & Rangesioviz.ucsd.edu/~fialko/tectonics/Lecture3.pdf · BASIN BRITTLE UPPER CRUST DUCTILE CRUST HE MAGM The important difference is in the recognition of low-angle detachments
Page 7: Basin & Rangesioviz.ucsd.edu/~fialko/tectonics/Lecture3.pdf · BASIN BRITTLE UPPER CRUST DUCTILE CRUST HE MAGM The important difference is in the recognition of low-angle detachments
Page 8: Basin & Rangesioviz.ucsd.edu/~fialko/tectonics/Lecture3.pdf · BASIN BRITTLE UPPER CRUST DUCTILE CRUST HE MAGM The important difference is in the recognition of low-angle detachments
Page 9: Basin & Rangesioviz.ucsd.edu/~fialko/tectonics/Lecture3.pdf · BASIN BRITTLE UPPER CRUST DUCTILE CRUST HE MAGM The important difference is in the recognition of low-angle detachments

Two different models for wide versusnarrow rifts:

(1)Strain-rate model

(2)Buoyancy model

Page 10: Basin & Rangesioviz.ucsd.edu/~fialko/tectonics/Lecture3.pdf · BASIN BRITTLE UPPER CRUST DUCTILE CRUST HE MAGM The important difference is in the recognition of low-angle detachments
Page 11: Basin & Rangesioviz.ucsd.edu/~fialko/tectonics/Lecture3.pdf · BASIN BRITTLE UPPER CRUST DUCTILE CRUST HE MAGM The important difference is in the recognition of low-angle detachments
Page 12: Basin & Rangesioviz.ucsd.edu/~fialko/tectonics/Lecture3.pdf · BASIN BRITTLE UPPER CRUST DUCTILE CRUST HE MAGM The important difference is in the recognition of low-angle detachments
Page 13: Basin & Rangesioviz.ucsd.edu/~fialko/tectonics/Lecture3.pdf · BASIN BRITTLE UPPER CRUST DUCTILE CRUST HE MAGM The important difference is in the recognition of low-angle detachments
Page 14: Basin & Rangesioviz.ucsd.edu/~fialko/tectonics/Lecture3.pdf · BASIN BRITTLE UPPER CRUST DUCTILE CRUST HE MAGM The important difference is in the recognition of low-angle detachments
Page 15: Basin & Rangesioviz.ucsd.edu/~fialko/tectonics/Lecture3.pdf · BASIN BRITTLE UPPER CRUST DUCTILE CRUST HE MAGM The important difference is in the recognition of low-angle detachments
Page 16: Basin & Rangesioviz.ucsd.edu/~fialko/tectonics/Lecture3.pdf · BASIN BRITTLE UPPER CRUST DUCTILE CRUST HE MAGM The important difference is in the recognition of low-angle detachments
Page 17: Basin & Rangesioviz.ucsd.edu/~fialko/tectonics/Lecture3.pdf · BASIN BRITTLE UPPER CRUST DUCTILE CRUST HE MAGM The important difference is in the recognition of low-angle detachments
Page 18: Basin & Rangesioviz.ucsd.edu/~fialko/tectonics/Lecture3.pdf · BASIN BRITTLE UPPER CRUST DUCTILE CRUST HE MAGM The important difference is in the recognition of low-angle detachments

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