 | Michard, André, Feinberg, Hugues, El-Azzab, Driss, Bouybaouene, Mohamed, Saddiqi, Omar (1992) A serpentinite ridge in a collisional paleomargin setting: the Beni Malek massif, External Rif, Morocco. Earth and Planetary Science Letters, 113 (3) 435-442 doi:10.1016/0012-821x(92)90144-k | Journal (article/letter/editorial) | | 75231 Paris Cedex 05, France b Facult# des Sciences, D~partement des Sciences de la Terre, BP 1014, Rabat...northern Morocco the Beni Malek serpentinised peridotite massif is included in a low-grade metasedimentary...marginal sedimentary prism. We connect the ultramafic outcrop with a regional, N E - S W trending magnetic anomaly...du CNRS, 24 rue Lhomond, 75231 Paris Cedex 05, France. dotites are also found. By contrast, in the BeticMaghrebide...In this paper we focus on a serpentinised peridotite outcrop, the Beni Malek massif in the Eastern Rif |  | | Journal (article/letter/editorial) | | P. Zeck of ‘Structural Petrology of the Ronda Peridotite, SW Spain: Deformation History’ DIRK VAN DER...to motivate our structural study of the Ronda peridotite in the western Sierra Bermeja. Obviously, our...hypotheses against the structural history of the peridotite outcrop in question, i.e. that of the Sierra Bermeja...inconsistent with other kinematic data from the two main peridotite outcrops (the Sierra Bermeja and Sierra Alpujata)...comment challenges our interpretation of the garnet–spinel mylonites as having been formed as a relatively |  | | Journal (article/letter/editorial) | | Metasomatic reaction bands at the Mt. Hochwart gneiss-peridotite contact (Ulten Zone, Italy): insights into fluid-rock...Abstract We investigated the contact zone between peridotite lenses and host gneisses located on the northern...ultramafic body consists of a hectometre-sized garnet peridotite and harzburgite lens. The reaction zone shows...-rich rocks from the host gneiss towards the peridotite. In some cases, lenses of serpentine and talc...dikes with pegmatoid texture also crosscut the peridotite body. Phlogopite aggregates with accessory zircon |  | Bodinier, J.-L., Garrido, C. J., Chanefo, I., Bruguier, O., Gervilla, F. (2008) Origin of Pyroxenite-Peridotite Veined Mantle by Refertilization Reactions: Evidence from the Ronda Peridotite (Southern Spain) Journal of Petrology, 49 (5) 999-1025 doi:10.1093/petrology/egn014 | Journal (article/letter/editorial) | | Pyroxenite^Peridotite Veined Mantle by Refertilization Reactions: Evidence from the Ronda Peridotite (Southern...BATAILLON, 34095 1 MONTPELLIER, FRANCE 2 INSTITUTO ANDALUZ DE CIENCIAS DE LA TIERRA (IACT), CSIC & UNIVERSIDAD...PUBLICATION APRIL 10, 2008 The Ronda orogenic peridotite (southern Spain) contains a variety of pyroxene-rich...low-pressure plagioclase^spinel websterites. The ‘asthenospherized’ part of the Ronda peridotite contains abundant...pyroxenites formed by the replacement of refractory spinel peridotites. Here, we present a major- and trace-element |  | | Journal (article/letter/editorial) | | Occidentale, 6 at,enue Le Gorgeu, 29287Brest Cddex, France b IFREMER-GDR, "Gdn~se et Et~olution des Domaines...IFREMER Centre de Brest, BP70, Plouzand Cddex, France Received July 25, 199l; revision accepted December...Bretagne Occidentale, 6 av. Le Gorgeu, 29287 Brest, France matically starved portions of a ridge axis, along...rock descriptions The 16°52'N serpentinized peridotite outcrop (dredge 13, Fig. 1) lies on the eastern rift...from large transform faults. The location of this outcrop relative to minor axial discontinuities is not |  | | Journal (article/letter/editorial) | | peridotites were studied in garnet- and spinel-bearing high-temperature peridotite bodies in the southern Bohemian...composition similar to harzburgites at the same outcrop (QOsi of 32.7 to 33.9), the change in QOsi requires...However, in some recent studies of lithospheric peridotite xenoliths, model age results cannot be related...the interaction with melt or £uid. Studies of peridotite xenoliths from convergent plate margins yielded...small-scale introduction of Re and radiogenic Os in peridotite xenoliths from Tanzania by in¢ltrating silicate |  | Marocchi, Marta, Hermann, Jörg, Tropper, Peter, Bargossi, Giuseppe Maria, Mair, Volkmar (2010) Amphibole and phlogopite in “hybrid” metasomatic bands monitor trace element transfer at the interface between felsic and ultramafic rocks (Eastern Alps, Italy) Lithos, 117 (1) 135-148 doi:10.1016/j.lithos.2010.02.011 | Journal (article/letter/editorial) | | talc. Zone 3 grades into an amphibole–garnet peridotite lens. This reaction zone has been generated by...(gneiss) and a trace element depleted reservoir (peridotite) allows assessment of local trace element mobility...aqueous fluids. We present the results of in situ LA-ICP-MS trace element analysis of minerals from the...Boucicaut, Bat 7, 140 Rue de Lourmel 75015 Paris, France. 0024-4937/$ – see front matter © 2010 Elsevier...the gneiss–peridotite interface (Tumiati et al., 2007; Marocchi et al., 2009). The peridotite body presented |  | Marocchi, M., Marschall, H. R., Konzett, J., Tropper, P., Ludwig, T., Mair, V., Bargossi, G. M. (2011) Metasomatic tourmaline in hybrid contact-bands between gneiss and peridotite in the Ulten zone of the Eastern Italian Alps: chemistry and boron isotopic composition. The Canadian Mineralogist, 49 (1) 245-261 doi:10.3749/canmin.49.1.245 | Journal (article/letter/editorial) | | TOURMALINE IN HYBRID CONTACT-BANDS BETWEEN GNEISS AND PERIDOTITE IN THE ULTEN ZONE OF THE EASTERN ITALIAN ALPS:...et Marie Curie, 4, place Jussieu, F–75005 Paris, France Horst R. MARSCHALL¶ Department of Earth Sciences...of aqueous fluids. These hybrid bands at the peridotite– gneiss contact comprise phlogopite and anthophyllite...mineralogist Sommaire Les roches ultrabasiques de la zone de mélange à haute pression de Ulten (UZ), dans... zircon, apatite et allanite. Nous décrivons ici la présence exceptionnelle de cristaux centimétriques |  | | Journal (article/letter/editorial) | | Sup&ieure de GOologie, BP 20, 54501 Vandoeuvre Cedex, France Received March 1, 1991; revised version accepted...amphiboles include pargasite from the Lherz peridotite, Pyrdndes (France), and kaersutite and pargasite in ultramafic...xenoliths and megacrysts from the Massif Central (France), Nunivak Island (Alaska) and Salt Lake Crater...disseminated pargasite from the Lherz peridotite in the Pyrrnres (France), and kaersutite and pargasite in...nephenilitic volcanics from the Massif Central (France), Nunivak Island (Alaska) and Salt Lake Crater |  | Mazzeo, F.C., Zanetti, A., Aulinas, M., Petrosino, P., Arienzo, I., D’Antonio, M. (2017) Evidence for an intra-oceanic affinity of the serpentinized peridotites from the Mt. Pollino ophiolites (Southern Ligurian Tethys): Insights into the peculiar tectonic evolution of the Southern Apennines. Lithos, 284. 367-380 doi:10.1016/j.lithos.2017.04.019 | Journal (article/letter/editorial) | | at the Centres Científics i CE P Tecnològics de la Universitat de Barcelona (CCiTUB), Spain. The volatile...ablation-inductively coupled plasma-mass spectrometry (LA-ICP-MS) at CNR–Istituto di Geoscienze e Georisorse...and alteration along the cleavage (Figs. 3a-d). Spinel occurs as disseminated anhedral grains, and as...rocks point to the occurrence of two different peridotite types (Figs. 4a-4d). The samples EP5, SSL8, SSL9...content shows a notable difference between the two peridotite types (Fig. 5a). Indeed, ACCEPTED MANUSCRIPT |  | | Journal (article/letter/editorial) | | du Globe, 4 place Jussieu, 75252 Paris Cedex 05 (France) Received October 1, 1987; revised version received...processes, or as peridotite massifs tectonically emplaced into orogenic regions. The peridotite massifs known...consist of 90-95% lherzolites, mostly in the spinel-peridotite facies, and 5-10% pyroxenite layers. These...[9,10,11,15]. The alkali contents of whole-rock spinel lherzolites, as well as their 87Sr/86Sr ratio are...samples from the peridotite massif of Zabargad (Red Sea). Although this peridotite massif was emplaced |  | Lo Pò, Deborah, Braga, Roberto, Tropper, Peter, Konzett, Jürgen, Mair, Volkmar, Bargossi, Giuseppe Maria (2020) Polymineralic inclusions as tracers of multistage metasomatism in a paleo mantle wedge. Lithos, 364. 105517pp. doi:10.1016/j.lithos.2020.105517 | Journal (article/letter/editorial) | | mantle minerals. We have made a study on a garnet-peridotite from the Variscan Ulten Zone (Eastern Alps, Italy)...a fine-grained amphibole-olivine-orthopyroxene-spinel-clinopyroxene pr matrix and a fractured large...contain spinel and amphibole as the main minerals. Spinel-bearing PI rn consists of high-Cr spinel (Cr#...REE-bearing epidote), apatite, dolomite, calcite, spinel, sapphirine, chlorite, kinoshitalite, and sulfides...including replacement textures of sapphirine over spinel, calcite over dolomite 2 Journal Pre-proof and |  | | Journal (article/letter/editorial) | | alternative model for the emplacement of the Ronda peridotite Miguel Doblas 1 and R o b e r t o Oyarzun z t...alternative model for the emplacement of the Ronda peridotite (Betic Alpine orogenic belt, southern Spain)...rift environment. 1. Introduction The Ronda peridotite forms two large ultramafic bodies (--300 km2;...internal domain (Betic zone s.s.), where the peridotite crops out, is divided into three structural units...overlain by Pliocene turbidites [8]. The Ronda peridotite consists of harzburgites and lherzolites, with |  | Consuma, Giulia, Braga, Roberto, Giovanardi, Tommaso, Bersani, Danilo, Konzett, Jürgen, Lugli, Federico, Mazzucchelli, Maurizio, Tropper, Peter (2020) In situ Sr isotope analysis of mantle carbonates: Constraints on the evolution and sources of metasomatic carbon-bearing fluids in a paleo-collisional setting. Lithos, 354. 105334 doi:10.1016/j.lithos.2019.105334 | Journal (article/letter/editorial) | | veins having re -p Keywords: Carbon Cycle; peridotite; mantle-wedge; In situ Sr isotope; metasomatism;...multiple metasomatic history of the Ulten Zone (UZ) peridotite (northern Italy) to illustrate the formation...coarse-grained ro spinel-peridotite to high-pressure fine-grained garnet-bearing amphibole-peridotite and, finally...peridotites as ranging from less deformed coarse-grained spinel peridotites to lP foliated fine-grained garn...composed of olivine + enstatite + diopside + Cr-Al spinel with protogranular texture (Obata and Morten, 1987) |  | Lapen, Thomas J., Medaris, L. Gordon, Beard, Brian L., Johnson, Clark M. (2009) The Sandvik peridotite, Gurskøy, Norway: Three billion years of mantle evolution in the Baltica lithosphere. Lithos, 109 (3) 145-154 doi:10.1016/j.lithos.2008.08.007 | Journal (article/letter/editorial) | | o m / l o c a t e / l i t h o s The Sandvik peridotite, Gurskøy, Norway: Three billion years of mantle...Geothermobarometry Sm–Nd geochronology Western Gneiss Region Peridotite a b s t r a c t The Sandvik ultramafic body,...repeated orogenic/magmatic events. The Sandvik peridotite body and nearby outcrops record four paragenetic...am (high-Al), at 700 °C and 1.0 GPa. A nearby outcrop contains a fourth assemblage consisting of ol+...opx + am. Lu–Hf and Re–Os model ages of garnet peridotite indicate melt depletion at 3.3 Ga [Beyer, E.E |  | | Report (issue) | | differentiate represented by a pyroxenite and peridotite mass almost completely altered to serpentine...rock. It seems probable that the serpentinized peridotite-pyroxenite series represents a floor phase of...noted by Singewald,10 that the magnetism of the spinel molecule is dependent upon the ratio of alumina...to chromic oxide. Therefore in a magnetic black spinel that would be taken for magnetite in prospecting...derived from the peridotite magma caused both the serpentinization of the peridotite and the subsequent |  | | Journal (article/letter/editorial) | | 1007/s00410-015-1146-3 ORIGINAL PAPER Weathering crusts on peridotite Kurt Bucher1 · Ingrid Stober1 · Hiltrud Müller‑Sigmund1...weathering of dark-green massive peridotite, including partly serpentinized peridotite, produces a distinct and...composition of crusts on rocks from the Ronda peridotite, Spain, have been studied in some detail. The...generic overall weathering reaction serpentinized peridotite + rainwater = weathering rind + runoff water...water supply from the outcrop surface to the reaction front separating green peridotite from the brown crust |  | Song, Shuguang, Su, Li, Niu, Yaoling, Zhang, Lifei, Zhang, Guibing (2007) Petrological and geochemical constraints on the origin of garnet peridotite in the North Qaidam ultrahigh-pressure metamorphic belt, northwestern China. Lithos, 96 (1) 243-265 doi:10.1016/j.lithos.2006.09.017 | Journal (article/letter/editorial) | | geochemical constraints on the origin of garnet peridotite in the North Qaidam ultrahigh-pressure metamorphic...(UHP) metamorphic belt, NW China, a large garnet peridotite massif has been exhumed together with felsic...altogether suggest that the protoliths of the garnet peridotite massif represent rocks from a subarc system in...Elsevier B.V. All rights reserved. Keywords: Garnet peridotite; Cumulate origin; Continental subduction; North...Qaidam UHP belt; NW China 1. Introduction Garnet peridotite is volumetrically small, yet a common component |  | | Report (volume) | | Survey, a description of the Corundum and the Peridotite Deposits of Western North Carolina, pre¬ pared...Topographic forms. Superficial aspects . Ecology of the peridotite areas. 61 62 64 Chapter III.—-Petrography of...County, North Carolina. Elf dunite. Elf amphibole-peridotite. Elf troctolite. Elf amphibolite. Elf gabbro...area. Buck Creek dunite. Buck Creek amphibole-peridotite. Buck Creek troctolite and olivine-gabbro. Corrosion...Glenville. Harzburgite on Big Ridge. Amphibole-peridotite of Shoal Mountain. Vicinity of French Broad River |  | | Journal (article/letter/editorial) | | Petrogenesis, alteration, and deformation in mantle peridotite from 14° to 16°N on the Mid-Atlantic Ridge: ODP...between 14° and 16°N we recovered residual mantle peridotite (75%) and evolved gabbroic rocks (25%). These...intrusive relationship to the host residual mantle peridotite and there are abundant gabbroic intrusions present...intensities. At one site, pervasive serpentinization of peridotite has been overprinted by talc mineralization....deformation in residual mantle peridotite is minimal, rather at all sites where peridotite was recovered deformation |  | | Journal (article/letter/editorial) | | serpentinization, oxidation and weathering of mantle peridotite at low temperatures Research Juan Carlos de...serpentinization, oxidation and weathering of mantle peridotite at low temperatures. Phil. Trans. R. Soc. A 378:... c.4750601. JCO, 0000-0002-9962-8177 Mantle peridotite in Wadi Fins in eastern Oman exhibits three concentric...alteration zones are evident from their colouration in outcrop and hand samples: green and red. These zones exhibit...and elsewhere by fluvial conglomerates rich in peridotite cobbles. This was followed by a marine transgression |  | | Journal (article/letter/editorial) | | INSTITUT DES SCIENCES DE LA TERRE, UNIVERSITE J. FOURIER, GRENOBLE 1, 1381, RUE DE LA PISCINE, 38400 ST-MARTIN...ST-MARTIN D’HERES, FRANCE 2 MAX-PLANCK-INSTITUT FU«R CHEMIE, ABT. BIOGEOCHEMIE, POSTFACH 3060, 55020 MAINZ...well as the composition of the percolating melts. Spinel harzburgites sampled far from dunite bodies and...have fairly homogeneous bulk-rock, olivine and Cr-spinel compositions and are interpreted as residues after...contacts with the dunite bodies and pyroxenite veins, spinel peridotites demonstrate distinct compositional |  | | Report (issue) | | ultramafic tectonite...... 17 Interlayered gabbro & peridotite.... 18 Gabbro.............................. 18............ Bi'r Tuluhah........................ Spinel analyses..................... 31 32 32 32 35 38................I...................... 14 7. An outcrop of polymict breccia in the Wadi Khadrah area. ...phyllonite and moderately deformed cumulus gabbro and peridotite...!....................... 20 9. Effects of deformation... FIGURE 11. Folded quartz veins on horizontal outcrop surfaces in the Wadi Khadra phyllonite........ |  | | Report (issue) | | 1818 00016298 0 2 t P^ 3 The Yellow Dog Peridotite and A Possible Buried igneous Complex of Lower...Yellow Dog Peridotite 2.--Electron microprobe anJyses of olivines from the Yellow Dog Peridotite 3.--Electron...from the Yellow Dog Peridotite 4.--Trace element content of the Yellow Dog Peridotite 5.--Comparison of...for average ultraniafic rocks and Yellow Dog Peridotite 6.--Summary of data and interpretation of anomalies... ' I i! c. Abstract Partly serpentinized peridotite of early Keweenawan age crops out in two places |  | Hekinian, R., Bideau, D., Cannat, M., Francheteau, J., Hébert, R. (1992) Volcanic activity and crust-mantle exposure in the ultrafast Garrett transform fault near 13°28′S in the Pacific. Earth and Planetary Science Letters, 108 (4) 259-275 doi:10.1016/0012-821x(92)90027-s | Journal (article/letter/editorial) | | Centre de Brest, DRO / GM, B.P. 37, 29287 Plouzan~ France b URA 1278-GDR 910, "GEDO", B.P. 337, Universit~...Brest, France c Institut de Physique du Globe de Paris, 4 place Jussieu, 75252 Paris, France a Universitd...the emplacement of a sliver of serpentinized peridotite located in an area about 2 km wide and 10 km...metabasalt (Mb) and dolerite and serpentinized peridotite ( p ) from the Median Ridge (dives GN03, 13,...thickness (hundreds of metres) of the erpentinized peridotite and gabbros is found along dive GN14 and GN03 |
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