 | Stähle, V., Frenzel, G., Kober, B., Michard, A., Puchelt, H., Schneider, W. (1990) Zircon syenite pegmatites in the Finero peridotite (Ivrea zone): evidence for a syenite from a mantle source. Earth and Planetary Science Letters, 101 (2) 196-205 doi:10.1016/0012-821x(90)90153-o | Journal (article/letter/editorial) | | Amsterdam [FB] Zircon syenite pegmatites in the Finero peridotite (Ivrea zone)" evidence for a syenite...Zircon syenite pegmatite dikes in the phlogopite peridotite of Finero are rich in volatiles, incompatible...located at the base of this complex in which the isolated peridotite bodies of Finero, Balmuccia a n d Baldissero...marbles a n d kinzigitic biotite gneisses. I n this complex the metabasites of the m a i n basic f o r m a...the F i n e r o m a f i c - u l t r a m a f i c complex of the n o r t h e r n granulitic Ivrea zone (Fig |  | | Journal (article/letter/editorial) | | Inclusions in Chromitites of the Finero Mafic-Ultramafic Complex (Ivrea-Zone, Italy) A. Ferrario i and G. Garuti...Universifft di Milano, Italy, 2 Istituto di Mineralogia e Petrologia, Universit/t di Modena, Italy With 7 Figures...discovered in the phlogopite-rich peridotite of the Finero complex (Ivrea Zone, Italy). The chromite contains...r alloys and laurite, the PGE-mincralogy of the Finero chromitites indicates a higher sulfur fugacity...responsible for the crystallization of abundant phlogopite in the Fincro body. Zusammenfassung Platingruppen-Minerale |  | | Journal (article/letter/editorial) | | Tre, Largo S. Leonardo Murialdo 1, I-00146 Roma, Italy ABSTRACT The crystal structure of gem-quality pargasite...in the principal OH-stretching region shows a complex envelope that can be resolved into six bands by...INTRODUCTION Baffin Island is situated north of the province of Quebec, in the newly formed Nunavut Territory...than was the case for pargasite of the Finero ultramafic complex characterized by Oberti et al. (1995)...al. (1995) that (Mg,Al) disorder in pargasite at Finero is induced by the chemical composition of the amphibole |  | MATSUMOTO, T, MORISHITA, T, MATSUDA, J, FUJIOKA, T, TAKEBE, M, YAMAMOTO, K, ARAI, S (2005) Noble gases in the Finero phlogopite-peridotites, western Italian Alps. Earth and Planetary Science Letters, 238 (1) 130-145 doi:10.1016/j.epsl.2005.07.005 | Journal (article/letter/editorial) | | elsevier.com/locate/epsl Noble gases in the Finero phlogopite-peridotites, western Italian Alps Takuya Matsumoto...fine-grained apatite and orthopyroxene from the Finero ultramafic complex, western Italian alps. We have also examined...examined fresh olivine grains separated from phlogopite-harzburgites without an apatite layer. Fluid inclusions...as end-member compositions, suggesting that the complex was metasomatised by fluids derived from geochemically...component, which is consistent with the notion that the Finero mantle was once in the mantle wedge. An in situ |  | | Report (issue) | | Sessera Valley, Ivrea-Verbano Zone. Photograph by Silvana Sinigoi. IVREA-VERBANO ZONE WORKSHOP, 1992...1992 ABSTRACTS VARALLO, ITALY JULY 20-25,1992 Edited by James E. Quick, U.S. Geological Survey, Denver, CO...Authors' Address List 25 Contents iii IVREA-VERBANO ZONE WORKSHOP, 1992 James E. Quick and Silvano...may be studied directly. The Ivrea-Verbano Zone (IVZ), northern Italy (fig. 1), is one of the best exposed...relationship between the StronaCeneri and Ivrea-Verbano Zones remains to be unequivocally demonstrated |  | | Journal (article/letter/editorial) | | Intergrowth of graphite within phlogopite from Finero ultramafic complex (Italian Western Alps): implications...Electron Microscopy (HRTEM-AEM) of phlogopite crystals from the Finero lherzolite (Italian Western Alps)...basal plane parallel to (001) of the phlogopite host. The phlogopite crystals contain between 0.024 and...with carbon phases found in other mantle-derived ultramafic rocks. A Raman analysis confirms the presence...within phlogopite. Geochemical and microtextural data point to a primary origin of the phlogopite-graphite |  | | Journal (article/letter/editorial) | | Switzerland, and at Finero, Balmuccia, Baldissero and Lanzo in northwestern Italy. The Alpe Arami mass...European lithospheric plate, whereas the other four ultramafic masses represent original portions of the non-subducted...five peridotite complexes: Alpe Arami, 966 ± 78°C; Finero, 893 ± 94°C; Balmuccia, 973 ± 50°C; Baldissero... involve large uncertainties. The Alpe Arami ultramafic body evidently crystallized at a pressure of...segregations associated with the perfdotites. The Finero body appears to have reached its present position |  | | Journal (article/letter/editorial) | | comparativepopulation, 56 samplesfrom PaleozoicEuropean ultramafic complexeswere investigatedfor the same suiteof...preferredassociation of highergoldvalueswith mafic and ultramafic rocks seems to be underlined by theclosespatialrelationship...relativelyhigh goldcontentsin many ores of mafic and ultramafic associations, e.g., the MerenskyReef of the ...volcanoclasticmaterial associated with the extrusion of the ultramafic-mafic lavas andchemical-sedimentary material...Somestudents of early Precambriangoldlodedemafic and ultramafic rocks. Vincent and Crocket positsmaintainedthat |  | | Journal (article/letter/editorial) | | Bicocca, Piazza della Scienza 4, 20126 Milano, Italy *Corresponding author, e-mail: nadia.malaspina@unimib...Studi di Milano, via Botticelli 23, 20133 Milano, Italy Abstract: C-O-H fluids are released by dehydration...three case studies of garnet-bearing ultramafic rocks (Ulten zone, Italy; Sulu, China; Bardane, Norway), which...magnesite in between) and hydrous phases (amphibole, phlogopite) equilibrated at some stages in the garnet stability...lavas and their mantle sources), the studied ultramafic rocks define a trend of decreasing f O2 with |  | | Journal (article/letter/editorial) | | DI MILANO, VIA MANGIAGALLI 34, I-20133 MILANO, ITALY RECEIVED SEPTEMBER 14, 2011; ACCEPTED SEPTEMBER...NOVEMBER 12, 2012 We experimentally investigated phlogopite- and C^O^H-bearing lherzolite to model the mantle...the hydrous phases are phlogopite and pargasitic amphibole. Whereas phlogopite is ubiquitous, amphibole...mantle-wedge peridotite, notably amphibole and phlogopite, and even epidote-group minerals (e.g. allanitic...al., 2002; Scambelluri et al., 2008), Ulten and Finero in the Italian Alps (Zanetti et al., 1999; Sapienza |  | | Journal (article/letter/editorial) | | Sciences, Via Valperga Caluso 35, I-10125 Torino, Italy 3C.N.R., Institute of Geosciences and Georesources...c/o DSMP, Via Valperga Caluso 35, I-10125 Torino, Italy 2Department Abstract: Chemically zoned phengite...Brossasco-Isasca Unit (Dora-Maira massif, Western Alps - Italy) were investigated by scanning, transmission and...electron microscopies (SEM-TEM-AEM), revealing a complex nano-structure within the crystal cores. Diffraction...(TEM-AEM) revealed, at the nanometer scale, even more complex patterns in mica subsolidus reactions. At nanoscale |  | Li, Chengxiang, Wang, Rucheng, Xu, Huifang, Lu, Xiancai, Konishi, Hiromi, He, Kun (2016) Interstratification of graphene-like carbon layers within black talc from Southeastern China: Implications to sedimentary talc formation. American Mineralogist, 101 (7) 1668-1678 doi:10.2138/am-2016-5600 | Journal (article/letter/editorial) | | Formation were discovered in Guangfeng County, Jiangxi Province, southeastern China. The black talc ore exhibits...minerals are common components of altered mafic and ultramafic rocks, sediments, and soils, and they form through...2″; E 118°15′10.2″) in Guangfeng County, Jiangxi Province, China. Oolitic samples were selected as the representative...been discovered in illite (Ahn et al. 1999) and phlogopite (Ferraris et al. 2004). In these circumstances...are commonly generated through metamorphism of ultramafic rocks (Linder et al. 1992; Brady et al. 1998; |  | | Journal (article/letter/editorial) | | possible subcontinental lithosphere in tectonized ultramafic lenses from the Swiss Alps THOMAS MEISEL,k3 GIUSEPPEG...March 26, 1996) Abstract--Thirteen serpentinized ultramafic lenses were studied to better understand their...systems. The geochemical evidence suggests that the ultramafic rocks represent at least two types of mantle...this study we extend the geochemical work to ultramafic rocks found associated with eclogites in the...oceanic lithosphere. Previous studies of the ultramafic lenses examined the concentrations of major and |  | | Journal (article/letter/editorial) | | metamorphic aureole surrounding the Ballachulish Igneous Complex, Scotland (Pattison and Harte, 1997), in which...The Ballachulish Igneous Complex and aureole The Ballachulish Igneous Complex and aureole (Fig. 1a) is...Pattison and Harte, 1997). The 425 F 4 Ma igneous complex (Fraser et al., 2004) was emplaced at a pressure...Voll, 1991). Prior to emplacement of the igneous complex, the host metasediments were regionally regionally...developed contact aureole surrounds the intrusive complex. Isograds in pelitic rocks, the most abundant rock |
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