 | | Journal (article/letter/editorial) | | antigorite, celadonite, diopside, dolomite, forsterite, humite, leucite, lime, lizardite, magnesiochloritoid...erythrosiderite, euchlorine, ferrohexahydrite, ferruccite, forsterite, haüyne, humite, kaliophilite, kremersite, leucite-high... antigorite, celadonite, diopside, dolomite, forsterite, humite, leucite, lime, lizardite, magnesiochloritoid...geological history of what is now among the most famous outcrops in the world. The first discovery of ellenbergerite...Sweden, and abundantly in several fractured serpentinite outcrops in the western Alps. It is certainly the |  | | Journal (article/letter/editorial) | | bucher@uni-freiburg.de) ABSTRACT The Zermatt-Saas serpentinite complex is an integral member of the Penninic...lithosphere of the Tethys. Metamorphic textures of the serpentinite preserve the complex mineralogical evolution...km depth. Key words: antigorite; ophiolite; serpentinite; textures; Zermatt-Saas. INTRODUCTION Eclogite...composition and field appearance, and the exposed serpentinite area in the Swiss part of the complex is on...ultramafic rocks during subduction. A compilation of serpentinite textures is presented, which can be linked to |  | | Journal (article/letter/editorial) | | Mineralogy, and Geochemistry of the Nkamouna Serpentinite: Implications for the Formation of the Cobalt-Manganese...laterite and a lower in situ serpentinite-derived laterite. The serpentinite is massive with a nonpseudomorphic...genetically related phases: Serpentinite-I and Serpentinite-II. Serpentinite-I is characterized by antigorite...and magnesite, and Serpentinite-II by antigorite and magnesite. Both serpentinite types are extremely...extremely low in sulfides. Serpentinite-I is the dominant and oldest phase and was derived from a subcontinental |  | Belluso, E., Fornero, E., Cairo, S., Albertazzi, G., Rinaudo, C. (2007) THE APPLICATION OF MICRO-RAMAN SPECTROSCOPY TO DISTINGUISH CARLOSTURANITE FROM SERPENTINE-GROUP MINERALS. The Canadian Mineralogist, 45 (6) 1495-1500 doi:10.3749/canmin.45.6.1495 | Journal (article/letter/editorial) | | diopside, § E-mail address: elena.belluso@unito.it forsterite, schorlomite (Alberico et al. 1993, Belluso &...have an asbestiform habit and come from serpentinite outcrops in the Val Varaita region, in the Piedmont |  | | Report (issue) | | United Kingdom is almost entirely confined to serpentinite bodies which have undergone hydrothermal alteration...Unst and the Main land of Shetland. The Unst serpentinite stretches across the eastern part of the island...Fig. 2 page 8.). The western portion of the serpentinite consists largely of antigorite but along its...also along the western edge of the Clibberswick serpentinite further east, from Cross Geo in the south, northwards...metres in length along fault zones within the serpentinite running both parallel and perpendicular to its |  | | Journal (article/letter/editorial) | | regarding the low productivity of plants typical of serpentinite environments. Introduction MAGNESIUM, THE SEVENTH..., 2 and dolomite, CaMg(CO3)2; the silicates, forsterite, Mg2SiO4, a member of the olivine group, and...and O’Hanley, 1988) as are the occurrences of serpentinite rocks in many regions around the world (Barnes...of certain elements (>1000 ppm of Ni) by the serpentinite plant species Strepthanus polygaloides is known...cytosol and in the environment, particularly serpentinite localities. Another ion with similar size and |  | Gualtieri, A. F., Pollastri, S., Gandolfi, N. B., Ronchetti, F., Albonico, C., Cavallo, A., Zanetti, G., Marini, P., Sala, O. (2014) Determination of the concentration of asbestos minerals in highly contaminated mine tailings: An example from abandoned mine waste of Cretaz and Emarese (Valle d'Aosta, Italy) American Mineralogist, 99 (7) 1233-1247 doi:10.2138/am.2014.4708 | Journal (article/letter/editorial) | | evaluation of the hazard associated with serpentinite outcrops (and asbestos containing mine tailings)...difficult by two major factors: (1) asbestos bearing serpentinite textures typically consist of fine-to-ultrafine...magnetite, one of the main constituents of the serpentinite accessories, with the genesis attributed to...palegreen, splintery vein occurring in a massive serpentinite from Elba Island (Italy): sample ATG18 in Viti...resolution power of 0.2 μm (Cavariani et al. 2010). serpentinite, which involves formation of antigorite at expenses |  | | Journal (article/letter/editorial) | | of cross- or slip-fiber veins within massive serpentinite bodies, no such veins are to be found in the...chrysotile surrounding blocks and fragments of serpentinite rock. The highly sheared and pulverized nature...distinguishable : (I) hard, dense blocks of serpentinite rock, ranging from fractions of an inch to several...the above materials, with the exception of the serpentinite rock which consists mainly of lizardite and/or...like cel1ulose fibers in paper. Fragments of serpentinite gangue are scattered throughout the ore and |  | Boschi, C., Dini, A., Dallai, L., Ruggieri, G., Gianelli, G. (2009) Enhanced CO2-mineral sequestration by cyclic hydraulic fracturing and Si-rich fluid infiltration into serpentinites at Malentrata (Tuscany, Italy) Chemical Geology, 265 (1) 209-226 doi:10.1016/j.chemgeo.2009.03.016 | Journal (article/letter/editorial) | | Malentrata (Tuscany, Italy) were derived from serpentinite silicification– carbonation of the Ligurian ophiolite...of the protolith. The pervasive alteration of serpentinite was accompanied by the formation of a network...discontinuities. This two-steps reaction (dissolution of serpentinite followed by carbonate precipitation outside...widespread silicate rocks (i.e., peridotite, serpentinite, basalt) that trap safely CO2 over geological...analogue of CO2 mineralogical sequestration, a serpentinite- Fig. 1. Geological map of southern Tuscany |  | Zerboni, Andrea, Vignola, Pietro, Gatto, Maria Carmela, Risplendente, Andrea, Mori, Lucia (2017) Searching For the Garamantian Emerald: Reconsidering the Green-Colored Stone Beads Trade In the Ancient Sahara. The Canadian Mineralogist, 55 (4) 651-668 doi:10.3749/canmin.1600052 | Journal (article/letter/editorial) | | green-colored stone beads from Fewet consist of serpentinite and amazonite. The K/Rb versus Rb diagram reveals...(D) FW25, (E) FW5. Sample 2-T715 is made up of serpentinite, whereas the other beads are amazonite. Murzuq...garnet for Si, Al, and Ca, K-feldspar for K, forsterite for Mg, omphacite for Na, ilmenite for Ti, fayalite...ELECTRON-MICROPROBE ANALYSIS OF SAMPLE 2-T715 (SERPENTINITE) wt.% SiO2 TiO2 Al2O3 FeO MnO MgO CaO Na2O H2O**...collected at Eghei Zuma and the other natural outcrops (Table 2). The chemical composition of these samples |  | | Report (issue) | | REPORT 276 EVALUATION OF MINERALIZATION IN SERPENTINITE AND ENCLOSING ROCKS IN THE HAMDAH AREA, KINGDOM... Intrusive rocks .................. 5 5 8 SERPENTINITE ...................... 10 Description .......Hamdah serpentinite area ................... in pocket Sample location map of the Hamdah serpentinite area...goldpelt and the Hamdah serpentinite area ...... 3 Areal view of serpentinite containing numerous rounded...dike rock .................... 9 Areal view of serpentinite, carbonaceous schist, and mafic dike ...... |  | Hattori, Kéiko H., Guillot, Stéphane, Saumur, Benoit-Michel, Tubrett, Mike N., Vidal, Olivier, Morfin, Samuel (2010) Corundum-bearing garnet peridotite from northern Dominican Republic: A metamorphic product of an arc cumulate in the Caribbean subduction zone. Lithos, 114 (3) 437-450 doi:10.1016/j.lithos.2009.10.010 | Journal (article/letter/editorial) | | The garnet periodotite was then exhumed in the serpentinite subduction channel. These events likely took...4 m in size) occur together with boulders of serpentinite (up to 2 m) and eclogites along the narrow (b6...bordered by hills with dense vegetation. Although outcrops of garnet peridotite were not found due to thick...have been lost during the erosion. The lack of outcrops makes it difficult to assess the validity of these...work by Saumur et al. (2010) showed that the serpentinite in the boulders along the Rio Cuevas originated |  | | Journal (article/letter/editorial) | | . . . . . . . 3.3.1. Inherited signature of serpentinite protoliths . . . . . . . . . . . . . . . . ...thermometry) of serpentinization . . . . . 4.2. Serpentinite fingerprints in subduction geochemical cycle... . . . . . . . . . . . . . . . . . . 4.2.3. Serpentinite dehydration and its relation with arc magmatism...correspond to a fully representative set of serpentinite compositions worldwide (see references through...150 50 ANTIGORITE 40 30 P-T 5° es zon Forsterite-Enstatite + Aqueous fluid u ubd hs pat n |  | | Report (chapter) | | area of Fig. 2 is marked in outline. areas of serpentinite are exposed, with isolated blocks of peridotites...material that had been entrained within the rising serpentinite diapir (Bear & Morel 1960; Panayiotou 1977;...(1986a,b; Murton & Gass 1986), who documented E-W serpentinite shear zones and mylonites (described herein)...the western LFC serpentinite outcrop. He also showed that the serpentinite outcrops, supposedly diapiric...western LFC and Akapnou Forest Mantle Sequence outcrops are shown in Fig. 4. Substantial brittle deformation |  | | Journal (article/letter/editorial) | | quartz, and rutile, among others. Serpentinite Serpentinite outcrops in bands and pods along the length...Ferrogedrite Ferrohornblende Fluocerite-(Ce) Fluorite Forsterite Galena Goethite Gold Graphite Grossular Gypsum |  | | Report (issue) | | ........................................ 17 Serpentinite ........................................................................ 17 WEATHERING OF SERPENTINITE AND TALC .....................................and enstatite versus height above base of the serpentinite .................................... 14 Multilithic............. 23 Photomicrograph of silicified serpentinite ................................................... 24 SiO2 and MgO, Fe2o3 and FeO versus serpentinite alteration ................................ |  | | Report (issue) | | diffuse venting, high methane in water column, serpentinite >300 ultramafic hosted, western wall of axial...412, 145–149. Kelley, D. S., et al. (2005), A serpentinite-hosted ecosystem: The Lost City hydrothermal...properties of basalt ranging from terrestrial lava outcrops [AdeHall et al., 1971], to ocean crustal drilling...pillow lava, the vent fluid chemistry suggests a serpentinite influence. Finally, a small low-temperature...comprised of a nonmineralized, lizardite-dominated serpentinite result- ing from a static, relatively low-temperature |  | Shagam, R., Hargraves, R. B., Morgan, W. J., Houten, F. B. Van, Burk, C. A., Holland, H. D., Hollister, L. C. - Eds. (1972) Studies in Earth and Space Sciences. GSA Memoir 132. Geological Society of America doi:10.1130/mem132 | Report (issue) | | Mechanisms for the Emplacement of AlpineType Serpentinite .John P. Lockwood 273 A Primary Peridotite...through his career, from his thesis study on serpentinite at Schuyler, Vir¬ ginia, to his last field trip...quartz-chlorite-sericite schists, and associated anorthosite, serpentinite, granites, and gneisses, the sequence being...cover again presents problems. However, scattered outcrops of preDamara formations with pronounced northeast...of Kreyenhagen shale deposition. The volcanic outcrops are in the Sierra Nevada and the chaotic sediments |  | | Book | | km north of the outcropping Pre-Cambrian. The outcrops in the instructive Hoggar section (up to rooo...late sixties to southern Libya, where excellent outcrops of the Pre-Cambrian are known in the Tibesti area...also the results of geophysical work on basement outcrops. Nevertheless, the Pre-Cambrian stratigraphy has...statements (1966, p. 303) that from the basement outcrops near the Red Sea and the Hadramaut the Pre-Cambrian...granite Gneiss :: • Terrestrial Hammomat ·• Series Serpentinite Geosyncl in al meto volconics Geosynclinol metosedimenls |  | | Report (issue) | | Castro government in 1960. In 1942 in what was then Finland, the P e t m o mine, previously deve]o@ by NCO...German control. The USSR annexed this part of Finland (Kola Peninsula) in 1944 and PRODUCTtON Nickel...isolated outcrops of limonitic gossan were found over a strike length of 450m. the outcrops are about...with the ultramafic rock was indicated by these outcrops, and mapping showed that the limonitic zone was...of the ultramafic. Other nickeliferous gossan outcrops were found at or near this contact, which was |  | | Book | | Ridges: Implications for Melt Generation and Mantle Outcrops Chan tal Tisseau and Thierry Tonnerre 181 Introduction...cm thick or less) are observed at the scale of outcrops, or of individual samples, respectively. In general...Serpentinized peridotites also form extensive outcrops on aseries of topographie highs which form the...(dive FR1). Gabbroie rocks do not form massive outcrops, but decimeter to millimeter-sized dikes and veins...Capo Verde Fracture Zone (Fig. 3). Ultramafic outcrops are also documented around 15°37'N on the eastern |  | | Book | | the roof of the upper mantle); (iii) widespread outcrops of abyssal gabbros and serpenof the mantle origin...surface and in close relationship to ultrabasic rock outcrops associated with the upper mantle matter. This...detected seismic boundary with ultrabasic rock outcrops suggests a logical conclusion that it corresponds...Investigations of the sedimentary series and bedrock outcrops on - polygon VI yielded the following results...devoid of sedimentary cover, and expose bedrock outcrops. The summit surfaces of rift ridges are either |  | | Book (volume) | | part of Iberia is less known due to the lack of outcrops. It is important to note that tectonic inversions...and its widespread extensive Triassic evaporitic outcrops was recently revisited in a number of studies...Ocean-continent boundary off the Iberian margin: a serpentinite diapir west of the Galicia bank. Earth Planet...Pyrenees. Location of the Permian and Triassic outcrops and scheme of the described lithological units...development and the later Cenozoic deformation, the outcrops of these basins show today a distribution related |  | | Book | | especially in those countries where Precambrian outcrops are widely distributed such as Mauritania, Algeria...and Saharan Metacraton. Additional Precambrian outcrops exist along the northern edge of the WAC within...Walsh et al. 2002; Thomas et al. 2004). Scattered outcrops of related rocks in northwestern Algeria show...Morocco and Mauritania where the largest Variscan outcrops are best known and documented. In both countries...of the Mauritanian section of the basin, where outcrops and the stratigraphic database are optimum, four |  | | Report (Issue volume) | | Peninsulas and Kangaroo Island. Unmetamorphosed outcrops are confined to coastal Fleurieu Peninsula (Sellick...Fig. 7.3 Stansbury Basin location map (Victorian outcrops after VandenBerg and Wilkinson, 1982). Fig. 7...7.3 Stansbury Basin location map (Victorian outcrops after VandenBerg and Wilkinson, 1982). 5 Cambrian...satisfactorily redefined. The fossil evidence from outcrops and stratigraphic hole SADME Investigator 1 (Belperio...Complex may be Neoproterozoic. Sequence set m1 Outcrops of `Archaeocyathinae marble’ from near Carrickalinga |
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