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Tuolumne Suite

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Series: GSA Field Guide
Published: 12 September 2024
DOI: 10.1130/2024.0070(08)
EISBN: 9780813756707
.... Johnson Granite Porphyry The Johnson granite porphyry is a fine-grained intrusion in the center of the Tuolumne Intrusive Suite surrounded by the Cathedral Peak granodiorite. In map view, it is elongate in a N–S direction and is exposed for ~40 km 2 ( Bateman, 1992 ). The Johnson granite porphyry...
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Series: GSA Field Guide
Published: 01 January 2014
DOI: 10.1130/2014.0034(03)
EISBN: 9780813756349
... Abstract Much of today will be spent in the plutons that are the principal host rocks of the western margin of the Tuolumne Intrusive Complex ( Fig. 3-1 ). These include the Sentinel and Yosemite Creek granodiorites (Kistler, 1973; Bateman, 1992) and the Yosemite Valley Intrusive Suite...
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Series: Geological Society, London, Special Publications
Published: 01 January 2008
DOI: 10.1144/SP304.10
EISBN: 9781862395527
... Abstract This study investigates the internal anatomy and petrogenesis of the Tuolumne Intrusive Suite (TIS), which comprises metaluminous, high-potassium, calc-alkaline granitoids typical of the Sierra Nevada batholith. Although the TIS has often been cited as an example of a large magma...
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Journal Article
Journal: GSA Bulletin
Published: 01 March 2005
GSA Bulletin (2005) 117 (3-4): 450–465.
...Markus Albertz; Scott R. Paterson; David Okaya Abstract Finite strain analysis and thermal modeling of magmatically folded leucocratic dikes in the Mount Stuart Batholith, Washington and the Tuolumne Intrusive Suite, California, yield strain rates in the range of 10 −2 to 10 −13 s −1 . Compared...
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Journal Article
Journal: Geology
Published: 01 May 2004
Geology (2004) 32 (5): 433–436.
...Drew S. Coleman; Walt Gray; Allen F. Glazner Abstract New U-Pb geochronologic data indicate that the Tuolumne Intrusive Suite, California, was assembled over a period of at least 10 m.y. between 95 and 85 Ma, and that the Half Dome Granodiorite intruded over a period approaching 4 m.y. Simple...
FIGURES
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Summary figure of the nested Tuolumne intrusive suite and the Mono Pass intrusive suite, including the summarized trend of the shear zone segments within these units. Dark gray to light gray denotes composition. Equal area, lower hemisphere projections include the summarized field fabric orientation data, including the strike and dip of the mineral foliation and the lineation direction (a star) in each of the shear zone segments. Map was modified from Titus et al. (2005).
Published: 01 November 2023
Figure 2. Summary figure of the nested Tuolumne intrusive suite and the Mono Pass intrusive suite, including the summarized trend of the shear zone segments within these units. Dark gray to light gray denotes composition. Equal area, lower hemisphere projections include the summarized field
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Geologic map of the Tuolumne Intrusive Suite in Yosemite National Park, California, adapted from Bateman (1992). Star marks the sampling location at Tenaya Lake where phenocrysts were collected.
Published: 01 February 2017
Figure 1 Geologic map of the Tuolumne Intrusive Suite in Yosemite National Park, California, adapted from Bateman (1992) . Star marks the sampling location at Tenaya Lake where phenocrysts were collected.
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Granitic rocks of the Tuolumne Intrusive Suite, Yosemite National Park (California, USA). Essentially, everything in the photo that is not green or blue is a plutonic rock that accumulated by the incremental addition of magmas over millions of years. The double peak just left of center is Cathedral Peak. Photo by Allen Glazner
Published: 01 April 2016
F igure 2 Granitic rocks of the Tuolumne Intrusive Suite, Yosemite National Park (California, USA). Essentially, everything in the photo that is not green or blue is a plutonic rock that accumulated by the incremental addition of magmas over millions of years. The double peak just left of center
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Zircon U–Pb age data from the Tuolumne Intrusive Suite (TIS) reveal nuances of interpreting and presenting zircon age data. The light red line is the raw representation of the relative probability of the various members of the TIS. In this representation, the dominant peak between 89 and 92 Ma represents the data from the equigranular Half Dome granodiorite (HDe), which has been extensively studied. However, when the data are weighted in terms of exposed area, the heavy line (normalized) clearly shows the areal dominance of the Cathedral Peak (CP) pluton. This illustrates the “petrologist's effect” of sampling bias on age data representation. We consider the ”area-weighted” as the best available approximation to the growth of zircon during assembly of the suite, although we caution against taking the next step from area to volume. The “jaggedness” of the data is largely artificial depending on how “bins” are set. Smoothing is a more realistic way of presenting these data. Age ranges of the other main plutons Half Dome porphyritic (HDp) and Kuna Crest (KC) are shown as bars. Data sources can be found online at elementsmagazine.org/supplements.
Published: 01 April 2015
F igure 2 Zircon U–Pb age data from the Tuolumne Intrusive Suite (TIS) reveal nuances of interpreting and presenting zircon age data. The light red line is the raw representation of the relative probability of the various members of the TIS. In this representation, the dominant peak between 89
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Plutonic and detrital zircon signature of the Tuolumne Intrusive Suite. The red curve is the “smoothed” plutonic data from Figure 2. The blue curve represents data from back-arc sedimentary units; surprisingly, in this case, more detail is apparent in the detrital record. The green curve represents data for fore-arc sedimentary units; although smoother in shape than the back-arc, peaks and troughs generally agree with data from the back-arc. Age ranges of the main plutons of the Half Dome porphyry (HDp), Cathedral Peak (CP), Half Dome granodiorite (HDe), and Kuna Crest (KC) are shown as bars. Data sources can be found online at elementsmagazine.org/supplements
Published: 01 April 2015
F igure 5 Plutonic and detrital zircon signature of the Tuolumne Intrusive Suite. The red curve is the “smoothed” plutonic data from F igure 2 . The blue curve represents data from back-arc sedimentary units; surprisingly, in this case, more detail is apparent in the detrital record. The green
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Simplified geology of the Tuolumne Intrusive Suite after Bateman (1992). Inset shows the location of the Tuolumne and other Sierra Crest zoned intrusive suites. Locations of detailed map (Fig. 2) and eastern magnetic susceptibility traverses are indicated. Geochronologic data (Coleman et al., 2004; Memeti et al., 2010) demonstrate that the suite was assembled incrementally between ∼95 and 85 Ma. Individual map units are also diachronous. Most contacts between map units are gradational, although they are locally sharp. The lobe of porphyritic Half Dome Granodiorite (Khd) (Economos et al., 2010) discussed in text is indicated.
Published: 01 December 2012
Figure 1. Simplified geology of the Tuolumne Intrusive Suite after Bateman (1992) . Inset shows the location of the Tuolumne and other Sierra Crest zoned intrusive suites. Locations of detailed map ( Fig. 2 ) and eastern magnetic susceptibility traverses are indicated. Geochronologic data
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Classification of Peninsular Ranges batholith (PRB) gabbro samples according to selected major element characteristics. Symbols: open triangles—western PRB gabbro zircon U-Pb samples; closed triangles—eastern PRB gabbro zircon U-Pb samples; open squares—average of representative gabbro subtypes from Walawender and Smith (1980); small circles—PRB gabbro analyses compiled from Lee et al. (2007), Todd et al. (2003), and Tate et al. (1999). (A) SiO2 versus K2O, with field boundaries of Rickwood (1989) defining low-K, medium-K and high-K suites. (B) SiO2 versus Mg#, where Mg# = molar MgO/(MgO + FeOT) and FeOT = total iron. PRB average composition (star) from Lee et al. (2007). (C) SiO2 versus modified alkali-lime index (MALI = Na2O + K2O – CaO) diagram of Frost et al. (2001) used to distinguish calcic (c), calc-alkalic (c-a), alkali-calcic (a-c), and alkali (a) series rocks. Fields for PRB and Tuolumne suite from Frost et al. (2001). (D) SiO2 versus TiO2.
Published: 01 January 2015
(a) series rocks. Fields for PRB and Tuolumne suite from Frost et al. (2001) . (D) SiO 2 versus TiO 2 .
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Figure 2. Geologic map of the Tuolumne Intrusive Suite. (A) Location map. TIS—Tuolumne Intrusive Suite, California; Kkc—Kuna Crest granodiorite (92–94 Ma; Coleman and Glazner, 1997); Khd—Half Dome granodiorite (89–91 Ma; Kistler and Fleck, 1994; Coleman and Glazner, 1997); Kcp—Cathedral Peak granodiorite (88.1 Ma; Coleman and Glazner, 1997); Kjp—Johnson granite porphyry (82–85.4 Ma; Fleck et al., 1996; Coleman and Glazner, 1997). (B) Location of field studies (rectangle in view A)
Published: 01 March 2005
Figure 2. Geologic map of the Tuolumne Intrusive Suite. (A) Location map. TIS—Tuolumne Intrusive Suite, California; Kkc—Kuna Crest granodiorite (92–94 Ma; Coleman and Glazner, 1997 ); Khd—Half Dome granodiorite (89–91 Ma; Kistler and Fleck, 1994 ; Coleman and Glazner, 1997 ); Kcp—Cathedral Peak
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Figure 1. Simplified geology of Tuolumne Intrusive Suite after Bateman (1992). Inset shows location of Tuolumne and other Sierra Crest zoned intrusive suites. Ages shown with errors are weighted means of clustered concordant data; geologic unit designation and sample number from Table DR1 (see footnote 1 in text) are in italics after age (samples from this study only). Queried dates are for samples with data that spread out along concordia and did not yield precise results. Samples with no date shown did not yield reliable ages. See text for discussion
Published: 01 May 2004
Figure 1. Simplified geology of Tuolumne Intrusive Suite after Bateman (1992) . Inset shows location of Tuolumne and other Sierra Crest zoned intrusive suites. Ages shown with errors are weighted means of clustered concordant data; geologic unit designation and sample number from Table DR1 (see
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Sr and Nd isotope systematics for Sahwave and Tuolumne intrusive suites (Tuolumne data from Gray et al., 2008). Also shown are data from nearby intrusive rocks within 150 km of the center of the Sahwave intrusive suite (data from Farmer and DePaolo, 1983).
Published: 01 December 2010
Figure 13. Sr and Nd isotope systematics for Sahwave and Tuolumne intrusive suites (Tuolumne data from Gray et al., 2008 ). Also shown are data from nearby intrusive rocks within 150 km of the center of the Sahwave intrusive suite (data from Farmer and DePaolo, 1983 ).
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Logarithmic plot showing major-element concentrations as a function of fractional distance along the radial transect from the outside to the center of the intrusion for the Sahwave and Tuolumne intrusive suites (Tuolumne data from Bateman and Chappell, 1979). Note that the Tuolumne data are from a shorter, east-west transect of about half the length of the Sahwave transect, but have been expanded as a fraction of radial distance.
Published: 01 December 2010
Figure 10. Logarithmic plot showing major-element concentrations as a function of fractional distance along the radial transect from the outside to the center of the intrusion for the Sahwave and Tuolumne intrusive suites (Tuolumne data from Bateman and Chappell, 1979 ). Note that the Tuolumne
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Diagrams showing variation of FeO*, K2O, Na2O, Rb, Sr, and Y as functions of SiO2 in Sahwave and Tuolumne intrusive suites (Tuolumne data from Gray et al., 2008).
Published: 01 December 2010
Figure 9. Diagrams showing variation of FeO*, K 2 O, Na 2 O, Rb, Sr, and Y as functions of SiO 2 in Sahwave and Tuolumne intrusive suites (Tuolumne data from Gray et al., 2008 ).
Journal Article
Journal: Geosphere
Published: 01 November 2023
Geosphere (2023) 19 (6): 1539–1564.
...Figure 2. Summary figure of the nested Tuolumne intrusive suite and the Mono Pass intrusive suite, including the summarized trend of the shear zone segments within these units. Dark gray to light gray denotes composition. Equal area, lower hemisphere projections include the summarized field...
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Mid-ocean-ridge-basalt (MORB)–normalized spider diagram showing abundance of trace elements in Sahwave and Tuolumne intrusive suites (Tuolumne data from Gray et al., 2008). Large ion lithophile elements are shown on the left, and high field strength elements are on the right, with compatibility increasing away from the central dashed line.
Published: 01 December 2010
Figure 12. Mid-ocean-ridge-basalt (MORB)–normalized spider diagram showing abundance of trace elements in Sahwave and Tuolumne intrusive suites (Tuolumne data from Gray et al., 2008 ). Large ion lithophile elements are shown on the left, and high field strength elements are on the right
Series: GSA Field Guide
Published: 01 January 2014
DOI: 10.1130/2014.0034(04)
EISBN: 9780813756349
.... On this side, the Tuolumne Intrusive Complex intruded into the rocks of the Yosemite Valley Intrusive Suite, Sentinel, and Yosemite Creek granitoids (Day 3). Today we will make stops along Hwy 120 while traversing the Tuolumne Intrusive Complex from west to east ( Fig. 4-1) looking at exposures near the road...
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