 | | 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 |  | | Journal (issue) | | THE GEOLOGY OF TWO SMALL LAYERED HORNBLENDE PERIDOTITE (PICRITE) PLUTONS IN SOUTH GREENLAND BY JEVAN... THE GEOLOGY OF TWO SMALL LAYERED HORNBLENDE PERIDOTITE (PICRITE) PLUTONS IN SOUTH GREENLAND BY JEVAN...of the geology of two small layered hornblende peridotite (picrite) plutons mapped by the author whilst...thin and polished sections. In addition, three peridotite samples have been analysed for their major elements...the Amitsoq body at 1: 400, but the Angmalortoq peridotite was not mapped as it is only exposed over an |  | 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... ro spinel-peridotite to high-pressure fine-grained garnet-bearing amphibole-peridotite and, finally...the occurrence of a pale green amphibole in the peridotite matrix (Obata and Morten, 1987). However, Journal...Phlogopite, apatite, dolomite and rare dissakisite-(La) occur as accessories (Tumiati et al., 2007). Fine-grained |  | | 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) | | 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 |  | 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 garnet-peridotite from the Ulten Zone, in the Eastern Alps (Italy). The studied peridotite was sampled...This stage is represented by rare spinel-bearing peridotite showing coarse-grained, - the pressure peak...1c). The Hochwart outcrop (N 46°31’4”, E 10°59’55”) contains crustal- and peridotite contact rocks, crosscut...dolomite, phlogopite, margarite, chlorite, dissakisite-(La) (a REE-bearing Mg-allanite discovered for the first |  | | 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 |  | | Journal (article/letter/editorial) | | continental to oceanic lithosphere. The three Zabargad peridotite bodies cover 1.5 km2 of the 5-km2 island (see...locally constitute up to 10 vol.% of the peridotite outcrop. Finally, there is evidence of hydrothermal... 1988). In tectonic contact with the Central Peridotite is a lower crustal metamorphic unit consisting...various studies have attempted to interpret the peridotite within the context of one continuous ddiapiric...rifting, as zircons in gneisses close to the peridotite contact have recrystallization dates similar |  | | Journal (article/letter/editorial) | | constituted by exceptionally fresh peridotite. Fractured portions of the peridotite bodies, however, locally underwent...(Marshak et al., 1992). Major faults within the peridotite rigid bodies were loci of convective transport...unaltered and geochemically undepleted upper mantle peridotite, outcropping in three distinct bodies (northern...see Fig. 1 ). Most of the contacts between the peridotite unit and the adjacent bodies of pan-African gneiss...Ottonelio .[Z-2118 tZ-2122 ZABARGAD Northern Peridotite 0 I I IS. 3o- 500rn 27" I ~% o~m ~ |  | | Report (issue) | | ultramafic tectonite...... 17 Interlayered gabbro & peridotite.... 18 Gabbro.............................. 18................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......................................... 23 12. Outcrop of the Wadi Khadra phyllonite showing F3 folds........ |  | | 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...their primary composition. KEY WORDS: mantle peridotite; melt transport; dunite channels; clinopyroxene;...of well-exposed and exceptionally fresh mantle peridotite; numerous, well-preserved outcrops of the crustal...melting processes, reactive melt transport and melt^peridotite interaction processes, and their role in the |  | | Report (issue) | | enclose pyroxene grains. Only rarely does the peridotite contain enough clinopyroxThe penetrative-deformation...dike walls; this texture may reflect flow The peridotite of the ultramafic member is general- alignment...selected trace elements in ultramafic rocks (peridotite, harzburgite, pyroxenite) of the Canyon Mountain...Serpentinized Tectonite Tectonite Pyroxenite peridotite harzburgite harzburgite CM54 CM64 Pyroxenite...elements (fig. 1.11) reveal that, among the mafic rocks, La (like Ce) correlates strongly with Ti, 18 PETROLOGY |  | | Report (issue) | | Poulenc, because of waste disposal problems in France, finally led to a complete stop of production....discovered since 1986, about half had either an outcrop or subcrop surface expression or a distinct, relatively...moderate-sized detrital deposits adjacent to Brockman outcrop in the Hamersley Basin over the last decade. The...Increasing maturity of exploration in areas of outcrop, which leads to increased activity in areas of...departments at the universities of Melbourne, Monash and La Trobe. There is no doubt that there will be increasing |  | | Thesis/Dissertation | | Ange ee ae Se ee rake ee - aA &= - iT ie LA rears 90s OI RI ASD OT ri I Delt BION sutnattas.... . ¢eSnA ' . F ‘ 37572 low c8: t PUha LA. Lg 4 ag Pileoe 20 n i es = © fake PAGLIo op...— Ti - i a ri rq “Va? Ome SV" | 7 \ [ La = —_ JO~neet bei 4 i” 7 a 2Y * a ry hi...2PaRUOTE iO Ter é ia ? i ‘ + S a a 130th la -d : Fe —_— , I } 2 < 2. = t : 324) 9D...£ ett | ky Bein: Gasoat ha Ge AG fs Of +s La Ld eecat = F ¥ a mag bid : Laos va TO LMSODI |  | | Book | | 407-409. Brush. Ibid., 1857. Analysis of Antigorite (Serpentine) ; by G. J. Brush. Ibid., vol...Comstock, 1880. A fluoride of the rare-earth metals, [Ce,La,Di]F from Pike's Peak, Col3 , orado. Crystallization...investigation. OF MINERALOGY AT YALE. 27 Monazite, [Ce,La,Di]PO 4 with admixture of ThSi0 4 . The presence...ardino Co., California. [RF^Ca^OgJg, where R = Ce,La, and Di. Formula estabby two analyses by C. H. Warren...across a single crystal, 15 inches wide and 4^ la, 16, Ic la, from near the terminated extremity, long, at |
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