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Brady Butte Granodiorite

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Published: 01 January 1989
DOI: 10.1130/SPE235-p155
... Two generations of folds affected the folded unconformity between the 1,750-Ma Brady Butte Granodiorite and overlying Proterozoic Texas Gulch Formation metagraywackes and slates in the Brady Butte area of central Arizona. F 1 folds are isoclinal and were predominantly northwest-verging...
Series: Society of Economic Geologists Guidebook Series
Published: 01 January 1987
DOI: 10.5382/GB.01.22
EISBN: 9781934969540
... in the southern Bradshaw Mountains near Horsethief Basin. 4.0 Road crests small ridge. High peak in the far distance at 12:00 to 12:15 is Brady Butte, elev. 6,400 ft (fig. 53). The peak and the ridge extending to the south are composed of the 1750±10 Ma Brady Butte Granodiorite, the oldest dated rock in Arizona...
Journal Article
Published: 04 January 2007
Canadian Journal of Earth Sciences (2006) 43 (10): 1601–1619.
... compared with adjacent, younger terranes ( Mueller and Wooden 1988 ; Frost 1993 ). To the south, tonalite–trondhjemite–granodiorite suite rocks of the Beartooth–Bighorn magmatic zone (∼2.9 Ga) and the Wyoming greenstone terrane (2.5–2.8 Ga) constitute the western boundary of the Wyoming craton ( Mogk et...
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Journal Article
Journal: Lithosphere
Publisher: GSW
Published: 01 December 2015
Lithosphere (2015) 7 (6): 625–645.
... gneiss and other granitoids ( Mogk et al., 1992 ; Mueller et al., 1996 ). To the southeast, the Beartooth-Bighorn magmatic zone includes a larger proportion of 2.8 Ga orthogneiss and associated trondhjemite-tonalite-granodiorite suites ( Mueller and Frost, 2006 ). The Precambrian rocks in southwest...
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Journal Article
Published: 01 May 2010
The Journal of Geology (2010) 118 (3): 295–304.
... of Technology, following methods described by Schmitz and Bowring ( 2003 ). Other samples that constrain the ages of tuff units include 93-06, from the western edge of the LCVF; BQM-2, from Big Butte; and 00-24, from the confluence of Lowland Creek with the Boulder River on the east side of the LCVF. Sample...
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Journal Article
Journal: Geosphere
Published: 01 December 2015
Geosphere (2015) 11 (6): 1975–1995.
... Ga Apache Group ( Darton, 1925 ; Wilson, 1939 ; Gastil, 1958 ; Ludwig, 1974 ; Cuffney, 1977 ; Trevena, 1979 ; Anderson and Wirth, 1981 ; Hall-Burr, 1981 ; Vance, 1983 ; Alvis, 1984 ; Puls, 1986 ; Sherlock, 1986 ; Roller, 1987 ; Wrucke and Conway, 1987 ; Brady, 1987 ; Bayne, 1987...
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Journal Article
Journal: Geosphere
Published: 01 December 2012
Geosphere (2012) 8 (6): 1408–1428.
... province contains ca. 3.3–3.1 Ga igneous rocks and intercalated metasediments ( Mueller et al., 1996 ). The Beartooth-Bighorn magmatic zone is primarily ca. 2.9–2.7 Ga metaplutonic tonalite-trondhjemite-granodiorite ( Frost et al., 2006a ). The southern accreted terranes were joined to the rest...
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Journal Article
Journal: GSA Bulletin
Published: 01 May 2006
GSA Bulletin (2006) 118 (5-6): 689–709.
... al., 1999 ), and average rate of movement along the detachment fault ( Foster et al., 1993 ; Hoisch et al., 1997 ; Foster and John, 1999 ; Fayon et al., 2000 ; Wells et al., 2000 ; Brady, 2002 ). The term “Cordilleran metamorphic core complex” was first coined by Coney (1973) in reference...
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Journal Article
Journal: GSA Bulletin
Published: 01 January 2013
GSA Bulletin (2013) 125 (1-2): 73–88.
..., with both composed primarily of hornblende granodiorites and tonalites ranging from 98 to 85 Ma. These are intruded by the voluminous Atlanta peraluminous suite, which consists of biotite granodiorite and two-mica granite with ages of 83–67 Ma ( Gaschnig et al., 2010 ). The Bitterroot lobe consists...
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Journal Article
Journal: Lithosphere
Publisher: GSW
Published: 21 December 2017
Lithosphere (2018) 10 (2): 239–266.
... paleomagnetic data from the latest Cretaceous Whitehorn Granodiorite is presented to assess the effect of possible upper crustal tilting on these transects. These data, in combination with new zircon (U-Th)/He thermochronometry and 40 Ar/ 39 Ar and zircon U-Th-Pb geochronology from the Whitehorn Granodiorite...
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Journal Article
Published: 01 April 2018
American Mineralogist (2018) 103 (4): 502–516.
.... 2002 ; Greeley et al. 2002 ; Wierzchos et al. 2006 ; Amils et al. 2007 ; Richardson et al. 2012 ). Among the terrestrial analog sites for Mars is Craters of the Moon National Monument (COTM) ( Peck 1974 ; Greeley and King 1977 ; Klingelhöfer et al. 2004 ; Weren et al. 2004 ; Brady et al...
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Journal Article
Published: 01 June 2008
The Canadian Mineralogist (2008) 46 (3): 583–596.
... ). The Beartooth–Bighorn magmatic zone consists dominantly of tonalite – trondhjemite – granodiorite association and smaller volumes of high-K granodiorite and granite ( Wooden & Mueller1988 , Frost & Fanning 2006 ). In hand specimen, the xenoliths of the lower crust show sharp contacts...
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Journal Article
Published: 01 January 2014
Rocky Mountain Geology (2014) 49 (2): 91–114.
... mountains, is dominated by late Archean (2.90–2.74 Ga) tonalite-trondhjemite-granodiorite (TTG) suites with distinct continental magmatic arc signatures ( Mogk et al., 1992a ). The Montana metasedimentary terrane, exposed to the west in the Gallatin, Madison, Tobacco Root, Ruby, and Highland ranges...
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Journal Article
Journal: GSA Bulletin
Published: 01 January 2015
GSA Bulletin (2015) 127 (1-2): 200–210.
...>2.0.CO;2 . Ranelli G. , 1995 , Rheology of the Earth : London , Chapman & Hall , 370 p . Reiners P.W. Brady R. Farley K.A. Fryxell J.E. Wernicke B. Lux D. , 2000 , Helium and argon thermochronometry of the Gold Butte block, South Virgin Mountains...
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Journal Article
Journal: GSA Bulletin
Published: 01 July 2007
GSA Bulletin (2007) 119 (7-8): 961–977.
... of America Memoir 153 , p. 131 - 157 . Reiners , P.W. , Brady , R. , Farley , K.A. , Fryxell , J.E. , Wernicke , B. , and Lux , D. , 2000 , Helium and argon thermochronometry of the Gold Butte block, South Virgin Mountains, Nevada : Earth and Planetary Science Letters , v...
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Journal Article
Journal: GSA Bulletin
Published: 01 July 2011
GSA Bulletin (2011) 123 (7-8): 1288–1316.
... – 36 , doi: 10.1063/1.3226750 . Reiners P.W. Brady R. Farley K.A. Fryxell J.E. Wernicke B.P. Lux D. , 2000 , Helium and argon thermochronometry of the Gold Butte block, South Virgin Mountains, Nevada : Earth and Planetary Science Letters , v. 178 , p. 315 – 326...
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Journal Article
Journal: SEG Discovery
Published: 01 October 1992
SEG Discovery (1992) (11): 1–28.
... REGIONAL GEOLOGIC FRAMEWORK Real (Feininger, 1982). Lithologies include migmatitic gneiss and schists with sheared intercalated Jurassic volcanic rocks, all of which are intruded The Andes divide Ecuador into three physiographic belts (Kennerley, by stressed granite-granodiorite batholiths of possible...
Journal Article
Published: 01 February 2011
American Mineralogist (2011) 96 (2-3): 333–352.
... ) and contact and regional metamorphism of metacarbonate rocks (e.g., Orville 1969 ; Hewitt 1973 ; Brady 1977 ; Tracy et al. 1983 ; Ague 2003a ; Durand et al. 2009 ). Considerable disagreement persists, however, regarding the role of volatiles in collisional Barrovian settings. In fact, despite decades...
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Journal Article
Journal: Geosphere
Published: 01 June 2015
Geosphere (2015) 11 (3): 786–822.
... al. (2001) ( Figs. 2 and 3 ) ( Dusel-Bacon et al., 2006 , 2009 , 2013 ). The Fortymile River assemblage comprises amphibolite facies metasedimentary and metavolcanic rocks, marble, and granodioritic to tonalitic orthogneiss of Early Mississippian age. The Nasina assemblage consists of (1...
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Journal Article
Journal: Geosphere
Published: 09 March 2023
Geosphere (2023) 19 (3): 782–800.
... geochronology ( Dunne and Walker, 2004 ) yielded crystallization ages of 151 ± 1 Ma for a biotite monzogranite with weak deformation near the Layton Well thrust, 177 ± 1 Ma for an undeformed monzogranite, and 184 ± 1 Ma for a mylonitic granodiorite adjacent to the Layton Well thrust. The footwall rocks consist...
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