 | | Journal (article/letter/editorial) | | 2000, 18, 79–90 Hydration of eclogite, Pam Peninsula, New Caledonia C . J. C A R SON , 1, * G . L . C L...recrystallization of barroisite-bearing eclogite facies metabasites in northern New Caledonia. The mineralogical...P#9 kbar. Key words: eclogite; glaucophanite; New Caledonia; pseudosection. I N T R O D U C T IO N Garnet...located on the Pam Peninsula, northern New Caledonia (Fig. 1a). Rocks of the Pam Peninsula have been divided...Department of Geology and Geophysics, Yale University, New Haven, Connecticut 06511, USA. © Blackwell Science |  | | Journal (article/letter/editorial) | | application to the Pouébo Terrane, Pam 2 3 2 2 Peninsula, New Caledonia C . J . C A R S O N1, R . POW EL...Pouébo terrane of the Pam Peninsula, northern New Caledonia includes barroisite- and glaucophane-bearing...words: CNFMASH; eclogites; H O availability; New Caledonia; pseudosections. 2 I NTR O D U CT I O N The...of GómezPugnaire et al. (1997; Nerkau Complex, northern Urals) and Meyre et al. (1997; Adula Nappe, Central...metabasic eclogites of the Pouébo terrane, New Caledonia. As a basis for this, a quantitative petrogenetic |  | | Journal (article/letter/editorial) | | metamorphic sequence? New high-spatial resolution petrological data for the New Caledonia case study A. Vitale...2013 Abstract The metamorphic belt of northern New Caledonia represents one of the best-exposed example...as major tectonic discontinuities. We present a new and extensive metamorphic dataset acquired by means...7193, UPMC Sorbonne Universités, 75005 Paris, France e-mail: alberto.vitale-brovarone@impmc.upmc.fr...Géosciences Montpellier, UMR 5243, 34095 Montpellier, France Present Address: A. Vitale Brovarone IMPMC, CNRS-IRD |  | | Journal (article/letter/editorial) | | eclogite facies mineral equilibria, Pam Peninsula, New Caledonia B. A. MARMO, 1 G. L. CLARKE 1 A N D...maps collected using eclogite samples from northern New Caledonia in order to determine the chemical composition...proportions and mineral textures observed in the New Caledonian eclogites can be closely modelled by progressively...assemblages. Keywords: eclogite; mineral equilibria; New Caledonia; NCFMASH; pseudosection. IN TROD UCTI ON Metamorphic...chemical composition of its equilibrium-volume. In the New Caledonian eclogites, inclusions of lawsonite, chlorite |  | | Journal (article/letter/editorial) | | evolution of peridotites and serpentinites of NE New Caledonia: prograde interaction between continental margin...ABSTRACT The Pouébo and Diahot terranes of NE New Caledonia mostly comprise eclogite to blueschist facies...been linked with the SW-directed obduction of the New Caledonian Ophiolite, an extensive ultramafic nappe...Serpentinite emplacement accompanied burial of the NE New Caledonian margin at T<500 C and P<16 kbar. The...rocks and ultramafic masses suggest that NE New Caledonia preserves a fossil slab ⁄ mantle–wedge boundary |  | | Journal (article/letter/editorial) | | Paragneisses between Yambe and Cape Colnett, New Caledonia by E. D. GHENT, 1 P. M. BLACK, 2 R. N. BROTHERS...coastal belt, 175 km by 35 km, in northeastern New Caledonia. Metamorphic grade ranges from lawsonite-albite...containing albite-epidote-garnet ± glaucophane and barroisite. Omphacite is partly retrogressed to albite and...175 km long and 35 km wide, in northeastern New Caledonia. The metamorphic grade increases from southwest... University of Auckland, Private Bag, Auckland, New Zealand 628 E. D. GHENT ET AL. crystals. The |  | | Journal (article/letter/editorial) | | Lawsonite---Omphacite-Bearing Metabasites of the Pam Peninsula, NE New Caledonia: Evidence for Disrupted Blueschist-...all rights reserved The Diahot terrane of NE New Caledonia contains an interbedded sequence of Cretaceous...WORDS: pseudosection blueschist; eclogite; New Caledonia; CNFMASH; INTRODUCTION Downloaded from http://petrology...emplaced during late-stage faulting. In the light of new petrological data from the Diahot terrane metabasites...redefines the Eocene P---T profile exposed in NE New Caledonia. A critical aspect of the re-evaluation is the |  | | Journal (article/letter/editorial) | | of barroisitic amphibole in an eclogite from New Caledonia, to examine aspects of equilibration during...they are not suitable for use in petrology. The new generation of fast personal computers offers the...housed at the Electron Microscope Unit, University of New South Wales. Standard operating procedures involved...appropriatesized matrix for the element map. The new matrix is then presented graphically in Matlab using...on the different standards need to be entered and new b-factors for these standards need to be calculated |  | | Journal (article/letter/editorial) | | retrograde hydrothermal alteration sequence. Barroisite, garnet, omphacite and epidote with minor chlorite...Glaucophane also occurs profusely at the rims of barroisite. The matrix glaucophane and epidote represent...convergence rates between India and Eurasia. Key words: barroisite; eclogite; Indian plate; Naga Hills ophiolite;...eclogites having a continental protolith at the northern edge of the Indian plate yields even higher pressures...ophiolite of Naga Hills, a little known region in the northern part of the Indo-Burman Ranges near the India–Burma |  | | Journal (article/letter/editorial) | | in the context of high-P Eocene rocks in northern New Caledonia (Fitzherbert et al., 2005). The pseudosections...HIGH-P ROCKS IN NORTHERN NEW CALEDONIA High-P rocks of the Pam Peninsula in NE New Caledonia can be divided...medium-T eclogites of the Pouébo terrane include barroisite- and glaucophane-bearing eclogites in domains...the Pouébo or Diahot terranes. Nonetheless, the new SHRIMP data separate the highP metamorphism temporally...temporally from the c. 35 Ma obduction of the New Caledonian ophiolite nappe, which dominates the outcrop |  | | Journal (article/letter/editorial) | | com/locate/lithos High-pressure veins in eclogite from New Caledonia and their significance for fluid migration in...eclogite in the Pouébo Eclogite Melange of northern New Caledonia. Isotopic and geochemical evidence indicates...Elsevier B.V. All rights reserved. Keywords: New Caledonia; Eclogite; Veins; Subduction; Fluid flow 1...the blueschist–eclogite–facies belt of northern New Caledonia. In this work, we outline the petrology...of the high-P belt of New Caledonia The north-eastern portion of New Caledonia consists of an extensive |  | | Journal (article/letter/editorial) | | one-kilometre-wide contact metamorphic aureole with the growth of new minerals, including andalusite, cordierite, alkali...Goffé et al., 1988; El-Shazly & Liou, 1991; New Caledonia: Ghent et al., 1987; Alaska: Brown & Forbes...Seidel, 1991), c. 460 C, 12 kbar in the Seward peninsula, Alaska (Forbes et al., 1984; Patrick & Evans...prograde feature. A greenschist overprint, e.g. barroisite rims around sodic amphibole or breakdown of lawsonite...expense of glaucophane and chloritoid, rather than barroisite or epidote. In this aspect the western part of |  | | Journal (article/letter/editorial) | | metabasite during exhumation, Diahot terrane, NE New Caledonia J.A. Fitzherberta,T, G.L. Clarkea, R. Powellb...High-P metabasites of the Diahot terrane, NE New Caledonia occur as spatially restricted (cm to km-scale)...almandine; Amp, amphibole; Aug, augite; Brs, barroisite; Chl, chlorite; Cpx, clinopyroxene; Cr, crossite;...facies metasedimentary lithologies exposed in NE New Caledonia. D 2005 Elsevier B.V. All rights reserved. Keywords:...correct interpretation. High-P lithologies of NE New Caledonia are divided into two major terranes (after Cluzel |  | | Journal (article/letter/editorial) | | Corsica (Caron & Pequignot, 1986) and Pam Peninsula in New Caledonia (Clarke et al., 1997). In many cases...Complex in Northern Urals (G omez-Pugnaire et al., 1997), Pam Peninsula in New Caledonia (Carson et...Turkey (Davis & Whitney, 2006) and Alpine Corsica in France (Vitale Brovarone et al., 2011), or occurs as interlayers...Switzerland (Barnicoat, 1988) and Alpine Corsica, France (Vitale Brovarone et al., 2011), eclogite is observed...eclogite pods hosted in garnet blueschist in Pam Peninsula as the result of a blueschist facies overprinting |  | | Journal (article/letter/editorial) | | 1996; Naustdal, Krogh, 1980; New Caledonia, Yokoyama et al., 1986; Hubei Province, Zhou et al., 1993; Rociavré...+ Pg Cz Q W Glaucophane-bearing assemblages Barroisite-bearing assemblages C Gro, Jd, Ab FOmph Hed...facies assemblage pargasite + albite ± epidote. Barroisite is overgrown by pargasitic amphibole, which coexists...+ Ep + Q + Ru + Sph (Gar–Bar–Ab assemblage). Barroisite is overgrown by magnesio-hornblende. Albite appears...from garnet–barroisite–albite assemblages; Β, from eclogitic assemblages, garnet–barroisite–omphacite. |  | Rajkakati, M., Bhowmik, S.K., Ao, A., Ireland, T.R., Avila, J., Clarke, G.L., Bhandari, A., Aitchison, J.C. (2019) Thermal history of Early Jurassic eclogite facies metamorphism in the Nagaland Ophiolite Complex, NE India: New insights into pre-Cretaceous subduction channel tectonics within the Neo-Tethys. Lithos, 346. 105166 doi:10.1016/j.lithos.2019.105166 | Journal (article/letter/editorial) | | metamorphism in the Nagaland Ophiolite Complex, NE India: New insights into pre-Cretaceous subduction channel tectonics...metamorphism in the Nagaland Ophiolite Complex, NE India: New insights into pre-Cretaceous subduction channel tectonics...metamorphism in the Nagaland Ophiolite Complex, NE India: New insights into pre-Cretaceous subduction channel tectonics...complex now exposed in Nagaland, NE India, at the northern end of the Indo-Myanmar ranges, provides the oldest...to the ED separation of the Lhasa block from northern Australia (Zhu et al., 2013), and the initiation |  | Krebs, M., Maresch, W.V., Schertl, H.-P., Münker, C., Baumann, A., Draper, G., Idleman, B., Trapp, E. (2008) The dynamics of intra-oceanic subduction zones: A direct comparison between fossil petrological evidence (Rio San Juan Complex, Dominican Republic) and numerical simulation. Lithos, 103 (1) 106-137 doi:10.1016/j.lithos.2007.09.003 | Journal (article/letter/editorial) | | metamorphic rocks in serpentinite mélanges of the northern Dominican Republic (Hispaniola) provide fossil...serpentinite mélanges of the Rio San Juan Complex of the northern Dominican Republic (Draper and Nagle, 1991), which...Caribbean and northern Dominican Republic (inset, P = Puerto Plata, S = Samaná Peninsula, CF = Camú Fault)...this general picture is the island's southern peninsula, which is an uplifted fragment of the 89 Ma Caribbean–...Caribbean– Colombia Oceanic Plateau province that was attached to the rest of the island during the Neogene |  | | Journal (article/letter/editorial) | | the low-T eclogites of the Pouébo terrane, New Caledonia. However, the evolution of THERMOCALC and related...Tarim and Yili–Central Tianshan plates, and the northern Tianshan suture zone formed in Late Carboniferous–Early...boundary between Yili–Central Tianshan plate and the northern Tianshan island arc in Junggar plate (see Fig...and ilmenite. Hornblende sensu lato (variously barroisite, magnesio-katophorite, katophorite, and magnesio-hornblende...comparison with the garnet of low-T eclogites from New Caledonia (Clarke et al., 1997; Schliestedt, 1990). Garnet |  | | Journal (article/letter/editorial) | | in Kretz (1983), except for amphibole (Amp), barroisite (Bar), edenite (Ed), coesite (Coe), and phengite...parallelism with the D2 + D3-dominant fabric; no new mineral growth is associated with D4 folding. Mesostructures...show intense recrystallization together with the HP new pervasive foliation. The texture is dominated by...by blue-green amphibole (II) with lobate margins. New grains develop across subgrain boundaries or at porphyroclast...blue-green inclusion-free rims (amphibole (II)). New amphibole (II) needles associated with Mg-rich chlorites |  | Garcia-Casco, A., Torres-Roldan, R. L., Millan, G., Monie, P., Schneider, J. (2002) Oscillatory zoning in eclogitic garnet and amphibole, Northern Serpentinite Melange, Cuba: a record of tectonic instability during subduction?. Journal of Metamorphic Geology, 20 (6) 581-598 doi:10.1046/j.1525-1314.2002.00390.x | Journal (article/letter/editorial) | | Oscillatory zoning in eclogitic garnet and amphibole, Northern Serpentinite Melange, Cuba: a record of tectonic...Cédex, France ABSTRACT Exotic blocks of eclogite from distant localities along the Northern Serpentinite...amphibole with actinolite, magnesiohornblende, and barroisite compositions, epidote (Ep, Fe3+ ⁄ (Fe3+ + Al)...lt ha Escambray roc aT fau L N 100 km Northern ophiolites Southwestern terranes sin Ba tan...Iturralde-Vinent, 1996a) showing location of the northern serpentinites and sample localities. OSCILLATORY |  | | Journal (article/letter/editorial) | | medium-Fe amphibole inclusions in garnet are barroisite, edenite or magnesio- hornblende. Amphibole at...inclusions in garnet medium-Fe amphiboles are barroisite-edenite-magnesio hornblende, matrix near garnet...Zimmermann et al. (1994) and Kurz et al. (1998). New results from rim analyses of garnet omphacite pairs...application to the Pouébo Terrane, Pam Peninsula, New Caledonia. J. Metamorphic Geol., 17, 9-24. Carson...Powell, R. (2000): Hydration of eclogite, Pam Peninsula, New Caledonia. J. Metamorphic Geol., 18, 79-90. Carswell |  | Tsujimori, T., Matsumoto, K., Wakabayashi, J., Liou, J. G. (2006) Franciscan eclogite revisited: Reevaluation of the P–T evolution of tectonic blocks from Tiburon Peninsula, California, U.S.A. Mineralogy and Petrology, 88 (1) 243-267 doi:10.1007/s00710-006-0157-1 | Journal (article/letter/editorial) | | P–T evolution of tectonic blocks from Tiburon Peninsula, California, U.S.A. T. Tsujimori1 , K. Matsumoto2...u.). Albite is not stable in the eclogite stage. New calculations based on garnet-omphacite-phengite thermobarometry...Available geochronologic data combined with our new insight for the maximum pressure suggest an average...eclogitic rocks from Ring Mountain of the Tiburon Peninsula in the San Francisco Bay region, and then we reinterpret...Fig. 1. Simplified geologic map of the Tiburon Peninsula (after Wakabayashi, 1990). Labelled square represents |  | | Journal (article/letter/editorial) | | natural rocks are rare. In this study, we provide a new insight into this complexity of subduction channel...Franciscan Complex, Ernst, 1988; New 17 18 S. K. BHOWMI K & A. AO Caledonia, Fitzherbert et al., 2003; Rio...2007; Page et al., 2007; Ukar & Cloos, 2014); Barroisite zone of Villa de Cura blueschist belt, Venezuela...aegirine-augite (Agt), ferrohornblende (Fhbl), Al-barroisite (Al-Brs) and pistacite (Ps). Chemical balancing...titanite barroisite/magnesiokatophorite, quartz + phengite and magnesiokatophorite/barroisite + epidote |  | Chen, Y., Ye, K., Wu, T. F., Guo, S. (2013) Exhumation of oceanic eclogites: thermodynamic constraints on pressure, temperature, bulk composition and density. Journal of Metamorphic Geology, 31 (5) 549-570 doi:10.1111/jmg.12033 | Journal (article/letter/editorial) | | 29–0.38 12 Samana, Dominica Republic Pam Peninsula, New Caledonia 1.6/360 g + o + law + gl + pa + phe...omphacite + epidote + amphibole (glaucophane, barroisite, actinolite or hornblende) + phengite + quartz...epidote-bearing eclogite and blueschist in the Pam Peninsula, New Caledonia (Fitzherbert et al., 2003), where the...Powell, R., 2000. Hydration of eclogite, Pam Peninsula, New Caledonia. Journal of Metamorphic Geology, 18... Eclogites and blueschists of the Pam Peninsula, NE New Caledonia: a reappraisal. Journal of Petrology |  | | Journal (article/letter/editorial) | | over a length of 800 km, from the Saganoseki Peninsula in Kyushu through Shikoku to the Kanto Mountains...peak metamorphic conditions of glaucophane- and barroisite-bearing eclogites in the Kotsu area are estimated...and 600 °C at 20 kbar, respectively. We found a new locality of eclogite facies metamorphic rocks (as...and amphibole (glaucophane, ferroglaucophane, barroisite, katophorite and taramite), with minor amounts...polyphase inclusions of jadeite + glaucophane, barroisite + phengite (Si 6.63–6.73 pfu) + quartz, albite |
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