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Justus-Liebig-UniversitĂ€t Senckenbergstrasse 3 35390 Giessen Germany K. WEBER Institut fĂŒr Geologie und Dynamik der...Göttingen Goldschmidtstrasse 3 37077 Göttingen Germany Cataloging-in-Publication D a t a applied for...international conference in G6ttingen/Giessen, Germany. Discussions were focused on the Tectonothermal...Geological Survey of Hessen Leberberg 9 65193 Wiesbaden Germany V. BACHTADSE Institut fur Allgemeine und Angewandte...Ludwig-Maximilians-U niversitat Theresienstr. 41 80333 Munchen Germany M. BANAS University of Mining and Metallurgy AI |
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Amsterdam 1 [CH] High precision U-Pb ages for granulite metamorphism and deformation in the Archean Kapuskasing...Precise U-Pb isotopic ages for two subhorizontal granulite gneisses in the Kapuskasing structural zone indicate...ceased by 2700 and 2680 Ma, respectively,while granulite formation occurred between 2660 and 2640 Ma and...continued until 2585 Ma. Emplacement of the oldest granulite caused the development of shear planes and melting...of the younger granulite caused rupturing and rehydration of the overlyingolder granulite. Widespread tectonic |
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GoÌttingen, Goldschmidtstrag e 1, D-37077 GoÌttingen, Germany Received 5 May 2004; accepted 16 December 2004...related to different metamorphic stages of the granulite in Yanzihe, and provide a monitor for fluid/rock...from the Alps (Trommsdorff et al., 1985) and granulite-facies rocks (e.g., Morrison, 1991; Kullerud and...metamorphic fluids, we studied Clamphiboles in a granulite from Yanzihe as an example, to trace the chemical...rocks. In contrast, the NDC is characterized by granulite-facies rocks (e.g., Zhang et al., 1996; Jahn et |
| Wu, Yuan-Bao, Zheng, Yong-Fei, Gao, Shan, Jiao, Wen-Fang, Liu, Yong-Sheng (2008) Zircon UâPb age and trace element evidence for Paleoproterozoic granulite-facies metamorphism and Archean crustal rocks in the Dabie Orogen. Lithos, 101 (3) 308-322 doi:10.1016/j.lithos.2007.07.008 | Journal (article/letter/editorial) |
com/locate/lithos Zircon UâPb age and trace element evidence for Paleoproterozoic granulite-facies metamorphism...July 2007 Available online 7 August 2007 Abstract Zircon UâPb ages and trace elements were determined for...with their formation under granulite-facies metamorphic conditions. Zircon UâPb dating yields a weighted...1982 ± 14 Ma, which is younger than the zircon age of the granulite-facies metamorphism, suggesting a generally...Elsevier B.V. All rights reserved. Keywords: Zircon UâPb age; Granulite-facies metamorphism; Paleoproterozoic; |
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Banded granulites and associated rocks. Banded granulite gneisses __ Quartz mangeritic and other mangeritic...mangeritic rocks _____ Origin of the granulite unit ____________________ Stratigraphic equivalence _____________________...Grenville-age metamorphism ___________________ Granulite fades ________________________ Possible partial...Feldspar resources ______________________________ Zircon resources _____________ _ Phosphate and rare-earth..._________________________________________ 6 4. Outcrop showing banding in granulite _______________________________________ |
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Limpopo Granulite Belt: Tectonics and Deep Coustal Processes. Precambrian Res., 55: 553-570. Granulite metamorphism...Southern Marginal Zones are up-thrust deep-level granulite facies terranes of the adjacent cratons. Geometrically...Archaean granulite-facies terranes. It is an ENE-WSW trending zone of late Archaean granulite-facies tectonites...tectono-metamorphic history of the Limpopo belt. Granulite-facies rocks occur throughout the Limpopo Belt...and Pb-Pb whole rock isochron ages and U - P b zircon ages between 2.7 and 2.65 Ga which are believed |
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ED intergrowths in a spinelâgarnet-bearing granulite from the Xuwujia Paleoproterozoic ultrahigh-temperature...up to 0.58 per formula unit) from the same granulite outcrop record AC C retrograde temperatures as low...from the Xuwujia Paleoproterozoic UHT metamorphic outcrop in the Jining area, North China Craton, which provides...metamorphic temperatures over 1050 °C. This UHT PT outcrop, together with other reported UHT localities in...rock types in the Khondalite Belt, which include granulite facies metapelites (khondalites), peraluminous |
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journal homepage: www.elsevier.com/locate/lithos A granulite record of multistage metamorphism and REE behavior...behavior in the Dabie orogen: Constraints from zircon and rock-forming minerals Shui-Jiong Wang a, b,â,...Available online 10 November 2011 Keywords: Granulite Zircon Garnet Rare earth elements UâPb ages Mineral...trace elements was carried for zircon and coexisting minerals from granulite in the North Dabie Terrane (NDT)...one magmatic rim, zircons separated from the granulite record three episodes of metamorphism under different |
| Uthup, Sam, Tsunogae, Toshiaki, Rajesh, V.J., Santosh, M., Takamura, Yusuke, Tsutsumi, Yukiyasu (2020) Neoarchean arc magmatism and Paleoproterozoic granuliteâfacies metamorphism in the Bhavani Suture Zone, South India. Geological Journal, 55 (5). 3870-3895 doi:10.1002/gj.3641 | Journal (article/letter/editorial) |
Neoarchean arc magmatism and Paleoproterozoic granuliteâ facies metamorphism in the Bhavani Suture Zone...India 4 The Bhavani Suture Zone in the Southern Granulite Terrane marks the zone of amalgamation of the... biotite gneiss, mafic granulite, amphibolite, garnetâbearing mafic granulite, and dioritic 5 dioritic...mafic granulite and the biotite gneiss. The salient geochemical features of the mafic granulite and the...metamorphic conditions of the garnetâbearing mafic granulite were estimated using conventional geothermobarometers |
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proposed emplacement ages of ~ 360 Ma. U - P b zircon and sphene methods have been more successful in...Bernard-Griffiths et al. (1985) published U - P b zircon ages of 355 z 2 Ma for the St. Jean-Ligoure quartz-diorite...(348 + 6 Ma). This is within error of the U - P b zircon age (355_+ 2 Ma) obtained by Bernard-Griffiths...(Burgnac Massif) were collected from the same outcrop but have markedly different textures. D3 is mediumgrained...and near-chondritic ratios of X R F Y to ID Dy. Zircon was not observed in thin-section, so the main REE-bearing |
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conditions of kyanite eclogite and associated felsic granulite from SpaÄice at 3.4 GPa and 900â960 °C. Lower...assemblage assemblage (vol. %)* GrtâOmpâ QtzâHblâRt outcrop GrtâOmpâRtâ Qtz Ky eclogite, blocks GrtâOmpâRtâ...QtzâRt Cpx granulite outcrop GrtâOmpâRtâ PlâBt KMV76 TĆi Dvory KHC eclogitized outcrop GrtâOmpâRtâ metagabbro...MgOpxâHblâ ZoâKyâPl KMV116 DoubravÄany KHC Cpx-Grt outcrop GrtâAmpâ amphibolite QtzâCpx KMV30b Ăhrov KHC-BU...QtzâRt KMV103 SpaÄice-Doubrava KHC-BU Ky eclogite outcrop GrtâOmpâRtâ KyâQtz KMV96 BĂda MZ eclogite blocks |
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eoeeneseeneessuenass 200 Norman Herz The Goochland granulite terrane: Remobilized Grenville basement EVIE COSTCTTE...Sd ete a MS RAE Rb-Sr whole-rock and inherited zircon ages of the plutonic suite of the Crossnore Complex...Adirondack Mountains, New York, an amphibolite-granulite facies terrane in the 1.1-b.y.-old Grenville province...E, only locally present, is a quartz-feldspar granulite. To the east, the Gouverneur Marble correlates...south to northwest. Peak 1.1 to 1.02-b.y.-old granulite facies metamorphism outlasted third-phase folding |
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(Specord 75 IR or Specord M80, Carl Zeiss, Jena, Germany), Perkin Elmer 1600 Series FT IR spectrometer or...FT IR spectrometer (Bruker Optics, Ettlingen, Germany). IR spectrum of a pure KBr disc was subtracted...Boracite Mg3B7O13Cl Locality: Wandsleben, Saxony-Anhalt, Germany. Description: White to beige fine-grained...Locality: LuÌneburger Kalkberg, LuÌneburg, Lower Saxony, Germany (type locality). Description: White fibrous...Niedersachswerfen, Nordhausen, Harz, Thuringia, Germany. Description: White crystals on anhydrite. Investigated |
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Editors Roland OberhÀnsli, Potsdam, Brandenburg, Germany Maarten J. de Wit, AEON-ESSRI, Nelson Mandela Metropolitan... . . . . . . . . . . . . . . . 1.5.5 Inherited Zircon Populations . . . . . . . . . . . . . . . . . ...Characterization of Sedimentary and Igneous Sources Through Zircon Geochronology . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . 2.5.1 Detrital Zircon . . . . . . . . . . . . . . . . . . . . . . . ... . . . . . . . . . 2.5.2 Xenocrystic/Inherited Zircon in the Rift-Related Igneous Rocks . . . . . . |
| Mao, Ya-Jing, Qin, Ke-Zhang, Li, Chusi, Tang, Dong-Mei (2015) A modified genetic model for the Huangshandong magmatic sulfide deposit in the Central Asian Orogenic Belt, Xinjiang, western China. Mineralium Deposita, 50 (1) 65-82 doi:10.1007/s00126-014-0524-5 | Journal (article/letter/editorial) |
hornblende gabbro, gabbrodiorite, and diorite. The zircon UâPb age of olivine gabbro is 274 Ma (Han et al...magmatic NiâCu deposits in the region. Sources of UâPb zircon ages: Emeishan flood basalts (Fan et al. 2008)...Mafic-ultramafic rock Ophiolite Fault Pre-carboniferous Granulite outcrop Kelameili Santanghu Junggar basin 284...East Tianshan (modified from Xiao et al. 2004). Zircon UâPb ages of ophiolites: Hongliuhe (Zhang and Guo...(Xiao et al. 2008), and Kumushi (Yang et al. 2011). Zircon UâPb ages for Baiyanggou basalts, Cheguluquan and |
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Archaean areas preserve textural evidence for two granulite facies events involving contrasting P-T paths...partially broken down during an overprinting granulite facies metamorphism: Implications for the Sm-Nd...Palaeoproterozoic. The positive slope of the granulite to eclogite facies reactions in P-T space mean...density kgm- 3 granodiorite 2760 andesite 2910 Granulite facies density kgm- 3 2870 3460 3040 basalt...crustal rocks (upper value) and their garnet granulite facies equivalents (lower value). Austrheim & |
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eastern Indonesia. Garnet peridotite and associated granulite-facies contact rocks are described from two sites...fluid in a peridotite of oceanic affiliation. The granulite shows an increase in T and incipient melting at...suggesting rapid uplift. Trace element chemistry of granulite with basaltic to peraluminious rhyolitic composition...peridotite together with various types of granulite outcrop on the valley floor (Fig. 1). No field relations...rock-types were observed. Around the three mentioned outcrop areas, scarce exposures of amphibolite-facies rocks |
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province .................... 3. The Azov Archaean granulite-greenstone terrain ......................... Chapter...radiometric methods: U-Pb and Rb-Sr isochrons, Pb-Pb zircon ages, K-Ar and Sm-Nd, the latter at present used...technique were close to or even coincided with U-Pb zircon isochron dates. Dates obtained from the K-Ar method...granite-greenstone and granulite-greenstone terrains for the Archaean and granite-schist and granulite-schist terrains...(epi-Archaean cratons): 6 = granite-greenstone, 7 = granulite-greenstone, 8 = major structural boundaries, 9 |
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Hatchpit ................................ 23 .17. Outcrop of easterly dipping Cheshire Quartzite ..........struĂĄtures. Also, .the pre-Cambrian complex does not outcrop in this area, and so, any discussion of these rocks...Although' the rocks of the Mount Holly Complex do not outcrop in the East, Monicton area, a description of them...Good exposures of quartz-feldspar-biotite granulite outcrop in the Middlebury River about one mile west...Mountains. However, the Mount Holly complex does not outcrop at East Monkton as it does in Bennington, arid |
| Cai, Yue, LaGatta, Alexandra, Goldstein, Steven L., Langmuir, Charles H., GĂłmez-Tuena, Arturo, MartĂn-del Pozzo, Ana Lillian, Carrasco-NĂșñez, Gerardo (2014) Hafnium isotope evidence for slab melt contributions in the Central Mexican Volcanic Belt and implications for slab melting in hot and cold slab arcs. Chemical Geology, 377. 45-55 doi:10.1016/j.chemgeo.2014.04.002 | Journal (article/letter/editorial) |
al., 2012) and high 207Pb/204Pb ratios in granulite outcrop samples (e.g. Lawlor et al., 1999). Lavas...EA2) as the starting composition, and Huiznopala granulite PJL8 (from Lawlor et al., 1999) as the crustal...problems exist for DHFSE due to residual rutile and zircon in the experiments. These results also suggest...evidence from continental basalts from Central Germany. Geochim. Cosmochim. Acta 77, 232â251. Plank, T...S.J., Ruiz, J., 1989. Geochemistry of exposed granulite facies terrains and lower crustal xenoliths in |
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the map, and on the south by the broad limestone outcrop of Lower Glen Coe and the volcanic rocks further...they are observed along the axial belt of a fold outcrop and if they are directed roughly parallel with...in the envelope formations that lie beyond the outcrop of the Ballachulish Limestone. To the south-east...mentioned. The younger portion . of the phyllitk outcrop consists of homogeneous massive grey mica-slates...7, Leven Schists ; l 3, Eilde Flags combined outcrop of Appin Phyllites and Limestones, traversed from |