Early Miocene mylonitization and detachment faulting, South Mountains, central Arizona ( USA).

S. J. Reynolds; M. Shafiqullah; P. E. Damon; E. Dewitt

doi:10.1130/0091-7613(1986)14<283:EMMADF>2.0.CO;2

Early Miocene mylonitization and detachment faulting, South Mountains, central Arizona ( USA).

S. J. Reynolds, M. Shafiqullah, P. E. Damon, E. Dewitt

Earth and Space Exploration, School of (SESE)

Research output: Contribution to journal › Article › peer-review

25 Scopus citations

Abstract

The South Mountains of central Arizona are one of the geologically simplest metamorphic core complexes of the N American Cordillera. An early Miocene age of mylonitization is indicated by crosscutting relationships between mylonitic fabroc and a composite pluton dated at 22-25 Ma by Rb-Sr, U-Th-Pb, and K-Ar techniques. The kinematic agreement and close temporal association of mylonitization and detachment faulting support models in which the 2 processes are related to an evolving crustal shear zone that accommodated mid-Tertiary continental extension. -Authors

Original language	English (US)
Pages (from-to)	283-286
Number of pages	4
Journal	Geology
Volume	14
Issue number	4
DOIs	https://doi.org/10.1130/0091-7613(1986)14<283:EMMADF>2.0.CO;2
State	Published - 1986

ASJC Scopus subject areas

Geology

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10.1130/0091-7613(1986)14<283:EMMADF>2.0.CO;2

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title = "Early Miocene mylonitization and detachment faulting, South Mountains, central Arizona ( USA).",

abstract = "The South Mountains of central Arizona are one of the geologically simplest metamorphic core complexes of the N American Cordillera. An early Miocene age of mylonitization is indicated by crosscutting relationships between mylonitic fabroc and a composite pluton dated at 22-25 Ma by Rb-Sr, U-Th-Pb, and K-Ar techniques. The kinematic agreement and close temporal association of mylonitization and detachment faulting support models in which the 2 processes are related to an evolving crustal shear zone that accommodated mid-Tertiary continental extension. -Authors",

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T1 - Early Miocene mylonitization and detachment faulting, South Mountains, central Arizona ( USA).

AU - Reynolds, S. J.

AU - Shafiqullah, M.

AU - Damon, P. E.

AU - Dewitt, E.

PY - 1986

Y1 - 1986

N2 - The South Mountains of central Arizona are one of the geologically simplest metamorphic core complexes of the N American Cordillera. An early Miocene age of mylonitization is indicated by crosscutting relationships between mylonitic fabroc and a composite pluton dated at 22-25 Ma by Rb-Sr, U-Th-Pb, and K-Ar techniques. The kinematic agreement and close temporal association of mylonitization and detachment faulting support models in which the 2 processes are related to an evolving crustal shear zone that accommodated mid-Tertiary continental extension. -Authors

AB - The South Mountains of central Arizona are one of the geologically simplest metamorphic core complexes of the N American Cordillera. An early Miocene age of mylonitization is indicated by crosscutting relationships between mylonitic fabroc and a composite pluton dated at 22-25 Ma by Rb-Sr, U-Th-Pb, and K-Ar techniques. The kinematic agreement and close temporal association of mylonitization and detachment faulting support models in which the 2 processes are related to an evolving crustal shear zone that accommodated mid-Tertiary continental extension. -Authors

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Early Miocene mylonitization and detachment faulting, South Mountains, central Arizona ( USA).

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