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Abstract
8-1 Keith, S.B., and Rasmussen, J.C., 2019, Wilderness Granitic Suite along Catalina Highway – petrologic and tectonic significance of the Wilderness plutonic suite: products from a massive water-flood event of hydrous crustal melting during high-speed flat subduction in the latest Laramide: Arizona Geological Society Spring Field Trip 2019, June 8, 2019, 69 p.
Abstract
8-1 Keith, S.B., and Rasmussen, J.C., 2019, Wilderness Granitic Suite along Catalina Highway – petrologic and tectonic significance of the Wilderness plutonic suite: products from a massive water-flood event of hydrous crustal melting during high-speed flat subduction in the latest Laramide: Arizona Geological Society Spring Field Trip 2019, June 8, 2019, 69 p.
ABS
Numerous field guides have been published on the geology of the Santa Catalina Mountains (Shakel [1978], Naruk and Bykerk-Kauffman [1999], Force [2001], and Spencer [2007]). This field trip emphasizes the peraluminous, two-mica Wilderness Granite Suite (60-34 Ma) and accompanying tectonic fabrics and cross-cutting relationships (Figure 1, Figure 2, and Figure 3). The main goal of this field trip is to demonstrate with field evidence the petrologic and tectonic connection of Wilderness Granite suite peraluminous magmatism and associated mylonitization to compressive flat subduction beneath the North American plate in the Eocene.
STOP 1: Babad Do’ag vista overlook near base of mountain, STOP 2: Windy Point, STOP 3: Bear Wallow thrust fault, STOP 4: Garnet schlieren south of Summerhaven
Key words
Catalina highway, Santa Catalina Mountains, Pima County, Tucson, Peraluminous, two-mica granite, Wilderness Granite suite, Babad D’ag vista, Windy Point, Bear Wallow, Garnet schlieren, Summerhaven
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Abstract
8-1 Keith, S.B., and Rasmussen, J.C., 2019, Wilderness Granitic Suite along Catalina Highway – petrologic and tectonic significance of the Wilderness plutonic suite: products from a massive water-flood event of hydrous crustal melting during high-speed flat subduction in the latest Laramide: Arizona Geological Society Spring Field Trip 2019, June 8, 2019, 69 p.
ABS
Numerous field guides have been published on the geology of the Santa Catalina Mountains (Shakel [1978], Naruk and Bykerk-Kauffman [1999], Force [2001], and Spencer [2007]). This field trip emphasizes the peraluminous, two-mica Wilderness Granite Suite (60-34 Ma) and accompanying tectonic fabrics and cross-cutting relationships (Figure 1, Figure 2, and Figure 3). The main goal of this field trip is to demonstrate with field evidence the petrologic and tectonic connection of Wilderness Granite suite peraluminous magmatism and associated mylonitization to compressive flat subduction beneath the North American plate in the Eocene.
STOP 1: Babad Do’ag vista overlook near base of mountain, STOP 2: Windy Point, STOP 3: Bear Wallow thrust fault, STOP 4: Garnet schlieren south of Summerhaven
Key words
Catalina highway, Santa Catalina Mountains, Pima County, Tucson, Peraluminous, two-mica granite, Wilderness Granite suite, Babad D’ag vista, Windy Point, Bear Wallow, Garnet schlieren, Summerhaven
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