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Breaksea Orthogneiss

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Journal Article
Journal: Lithosphere
Published: 11 October 2017
Lithosphere (2017) 9 (6): 953-975.
...Harold H. Stowell; J.J. Schwartz; K.A. Klepeis; C. Hout; A.J. Tulloch; A. Koenig Abstract Sm-Nd garnet and U-Pb zircon ages for eclogite and granulite from the Breaksea Orthogneiss provide a detailed chronology for pluton emplacement and subsequent thermal history of the lower arc crust exposed...
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Journal Article
Journal: Lithosphere
Published: 01 June 2017
Lithosphere (2017) 9 (3): 343-365.
...: the Worsley Pluton (123–121 Ma), eastern McKerr Intrusives (128–120 Ma), and Breaksea Orthogneiss (123 Ma). Dates within the interior of the Western Fiordland Orthogneiss (Misty and Malaspina Plutons, western McKerr Intrusives) primarily range from 118 to 115 Ma and signify a major flux of mafic...
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Garnet (Grt) and zircon (Zrn) ages for <b>Breaksea</b> and Resolution <b>Orthogneiss</b> ...
Published: 11 October 2017
Figure 12. Garnet (Grt) and zircon (Zrn) ages for Breaksea and Resolution Orthogneiss samples and schematic pressure-temperature-time (P-T-t) path for the lower crust. (A) Garnet from eclogite (12NZ01a) and granulite (12NZ04b) each have two distinct ages, which roughly match the upper and lower
Journal Article
Published: 01 January 2019
American Mineralogist (2019) 104 (1): 17-30.
... of America 2019 Mineralogical Society of America The spectrum of whole-rock compositions in the main rock types of the Breaksea Orthogneiss defines linear first-order trends in Harker plots from peridotgabbro to monzodiorite ( De Paoli et al. 2009 , 2012 ). These compositional variations are mostly...
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(A) Map and (B) cross section of the <b>Breaksea</b> domes (modified from  Betka a...
Published: 01 April 2016
Figure 9. (A) Map and (B) cross section of the Breaksea domes (modified from Betka and Klepeis, 2013 ; locations in Fig. 3 ). Shading of Resolution orthogneiss in B is omitted for clarity. Thin black lines are S 2 foliation trajectories that define the domes. Numbers refer to sites discussed
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Trace element concentrations in zircon from the <b>Breaksea</b> area. (A) Th&#x2F;U ver...
Published: 11 October 2017
Figure 10. Trace element concentrations in zircon from the Breaksea area. (A) Th/U versus age. (B) U versus Th/U. (C) Yb versus Th/U. (D) U/Yb versus Th/U. (E) Eu/Eu* versus Th/U. The two samples with the youngest zircon ages (12NZ1d and 12NZ11a) form a distinct cluster that is separate from
Journal Article
Journal: Lithosphere
Published: 01 April 2016
Lithosphere (2016) 8 (2): 116-140.
...Figure 9. (A) Map and (B) cross section of the Breaksea domes (modified from Betka and Klepeis, 2013 ; locations in Fig. 3 ). Shading of Resolution orthogneiss in B is omitted for clarity. Thin black lines are S 2 foliation trajectories that define the domes. Numbers refer to sites discussed...
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Journal Article
Journal: Geosphere
Published: 01 June 2016
Geosphere (2016) 12 (3): 900-924.
... of exhumed deep crust with Eocene cooling ages in the Cascades core, and it consists primarily of tonalitic orthogneiss emplaced mainly in two episodes of ca. 73–59 Ma and 50–45 Ma. Metamorphism, melt crystallization, and ductile deformation of migmatitic metapelite overlap the orthogneiss emplacement...
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Generalized geologic map of central Fiordland, New Zealand. Western Fiordla...
Published: 11 October 2017
Figure 1. Generalized geologic map of central Fiordland, New Zealand. Western Fiordland from Charles Sound to Breaksea Sound is dominated by 120–115 Ma monzodiorite of the Misty and Malaspina plutons, which are part of the Western Fiordland Orthogneiss (WFO). The deepest exposed part of the WFO
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Composite ternary plot of feldspar, garnet, and clinopyroxene microprobe an...
Published: 01 January 2019
Figure 9. Composite ternary plot of feldspar, garnet, and clinopyroxene microprobe analyses, respectively with apices Ab–Or–An, Jd–Aeg–Q, and Pyp–Alm–Grs+Sps. Samples are from strain proportions of monzogabbro (MG) and monzodiorite (MD) in the Breaksea Orthogneiss. (Color online.)
Journal Article
Journal: Geosphere
Published: 01 June 2016
Geosphere (2016) 12 (3): 647-677.
... 2016 04 03 2016 © 2016 Geological Society of America 2016 TABLE 1. SAMPLE LOCALITIES AND PETROGRAPHY Figure 4. Field photos illustrating structures developed in central Fiordland. (A) Intrusion of granulitic orthogneiss into xenoliths of garnet pyroxenite in the Breaksea...
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Photographs illustrating structures formed during D 1  and D 2  within the ...
Published: 01 April 2016
Figure 7. Photographs illustrating structures formed during D 1 and D 2 within the Breaksea and Resolution orthogneisses (locations shown in Figures 2 , 9 ). (A) Garnet pyroxenite interlayered with omphacite granulite in the Breaksea orthogneiss. (B) Xenoliths of garnet pyroxenite
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Field photos illustrating structures developed in central Fiordland. (A) In...
in > Geosphere
Published: 01 June 2016
Figure 4. Field photos illustrating structures developed in central Fiordland. (A) Intrusion of granulitic orthogneiss into xenoliths of garnet pyroxenite in the Breaksea Orthogneiss. The granulite is migmatitic and displays a well-developed S 2 foliation. (B) Garnet (Grt) pyroxenite
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Table showing the chronology of geologic features in the three main plutoni...
Published: 01 April 2016
Figure 6. Table showing the chronology of geologic features in the three main plutonic units in the study area. BO—Breaksea orthogneiss, DSSZ—Doubtful Sound shear zone, RISZ—Resolution Island shear zone. Sources of pressure-temperature ( P - T ) data denoted with superscripts: 1— Klepeis et al
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Summary of the tempo of arc construction in the Fiordland sector of the Med...
Published: 01 June 2017
Orthogneiss showing apparent trench-parallel, time-transgressive magma focusing toward the Doubtful Sound region. Thick blue line represents visually estimated best fit to data. The Breaksea Orthogneiss sample diverges from the overall age pattern.
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Isochemical pressure-temperature (P-T) phase diagram sections (pseudosectio...
Published: 11 October 2017
Figure 11. Isochemical pressure-temperature (P-T) phase diagram sections (pseudosections) for Breaksea Orthogneiss samples, Fiordland, New Zealand. (A) Eclogite in sample 12NZ01a. (B) Granulite in sample 12NZ04b. Black arrows show the inferred path from early high-pressure to later granulite
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Map showing the geometry of migmatitic, granulite-facies foliations (S 2 ) ...
Published: 01 April 2016
Figure 3. Map showing the geometry of migmatitic, granulite-facies foliations (S 2 ) and lineations (L 2 ) in the Malaspina pluton and parts of the Breaksea and Resolution orthogneisses. Box around Breaksea domes shows location of Figure 9 . Gray shaded areas include both the Paleozoic Deep Cove
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Examples of published  P-T  estimates for rocks containing garnet with petr...
Published: 01 October 2015
shown if given in original publication. A = Edough Massif, northeastern Algeria ( Caby et al. 2014 ). B = omphacite granulite, Breaksea Orthogneiss, New Zealand ( Clarke et al. 2013 ). BM = diamondiferous felsic granulites, Bohemian Massif ( Kröner et al. 2000 ; O’Brien and Rötzler 2003 ; Hwang et al
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Time (vertical axis) vs. space (horizontal axis) diagram summarizing geochr...
Published: 01 April 2016
Figure 12. Time (vertical axis) vs. space (horizontal axis) diagram summarizing geochronologic data and tectonic events in central Fiordland and adjacent areas. The three columns show the Malaspina pluton on the left, the Breaksea and Resolution orthogneisses (BO and RO, respectively
Journal Article
Published: 01 October 2015
American Mineralogist (2015) 100 (10): 2254-2271.
... shown if given in original publication. A = Edough Massif, northeastern Algeria ( Caby et al. 2014 ). B = omphacite granulite, Breaksea Orthogneiss, New Zealand ( Clarke et al. 2013 ). BM = diamondiferous felsic granulites, Bohemian Massif ( Kröner et al. 2000 ; O’Brien and Rötzler 2003 ; Hwang et al...
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