 | | Journal (article/letter/editorial) | | antigorite, celadonite, diopside, dolomite, forsterite, humite, leucite, lime, lizardite, magnesiochloritoid...to the number of species first discovered in each region. To give their Guinness' classification its proper...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 |  | | 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 &...and come from serpentinite outcrops in the Val Varaita region, in the Piedmont Region of northern Italy...optimize the signal-to-noise ratio. Only the spectral region from 1100 to 300 cm–1 was considered, because that...wavelengths greater than 1100 cm–1; therefore, only the region of the spectrum ranging from 1100 and 300 cm–1 |  | 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) | | investigated sites are located in the Valle d’Aosta region (Italy): Crètaz, the most important Italian magnetite...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...investigation are located in the Valle d’Aosta region in Italy: Crètaz is situated near the town of Cogne...magnetite, one of the main constituents of the serpentinite accessories, with the genesis attributed to |  | | 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 |  | 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 |  | | 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 |  | | 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 ...... |  | | Report (issue) | | Glenelg, Ross shire and in the Innellan and .Toward district of Argyllshire, some of which have been worked...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 |  | 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...text. The position of Eghei Zuma in the Dohone region (northern fringe of the Tibesti batholith) is also...Garamantian culture expanded within the Libyan region of Fezzan to form a proper kingdom. At that time...Acacus massif, along wadi Howar, and in the Borku region (Gatto 2005, Biagetti & di Lernia 2008, Jesse 2013)...stones. No amazonite beads have been found in the region in archaeological contexts prior to the Garamantian |  | 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...(Fig. 1a). Until the Mid to Late Cretaceous, this region was above the NE-dipping Farallon oceanic plate...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 |  | | 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) | | . . . . . . . 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 (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 ................................ |  | | 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) | | Richard A. Houghton (Eds.) 154 The Rocky Mountain Region—An Evolving Lithosphere: Tectonics, Geochemistry...(Eds.) 172 Volcanism and Subduction: The Kamchatka Region John Eichelberger, Evgenii Gordeev, Minoru Kasahara...would occur outside of this region. Finally, to tap such an extensive region, the convective circulation...hydrothermal circulation by mining heat from a fixed region of crustal rock. I then discuss heat transfer resulting...across axis to focused discharge in a much narrower region has been discussed. In a natural convection system |  | | Book | | Morocco. T,vo sections through the Dutch coal mining district Cairo-Suez gravity section . . . . . . . Sketch.... . . . . . . . . Sketch map Bou Azzer mining district, Anti-Atlas Three sections through ophiolitic...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 |  | 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...geology and geologists of southern Africa. That region constituted one of the few outposts of vehement...band 75 miles wide but that in the surrounding region it is uniformly thick. This was baffling and remains...model comes from the Juan de Fuca Ridge region. We claim this region has two minor hot spots creating the |  | | Book | | the roof of the upper mantle); (iii) widespread outcrops of abyssal gabbros and serpenof the mantle origin...connection, the World Rift System is pictured as a region of the Earth in which the deep-seated evolutionary...interrelationship of such the new formation of the oceanic region. geological phenomena as the development of mid-oceanic...geological evolution of the Bay of Bengal platform region, which is an oceanic platform, is sedimen tation...surface and in close relationship to ultrabasic rock outcrops associated with the upper mantle matter. This |  | | Book | | Magmatism in Serpentinized Peridotites from the 15°N Region. Mathilde Cannat and lohn F Casey 5 Gabbroie...Ridges: Implications for Melt Generation and Mantle Outcrops Chan tal Tisseau and Thierry Tonnerre 181 Introduction...Magmatism in Serpentinized Peridotites from the 15°N Region. MATHILDE CANNAT AND lOHN F. CASEY* URA 736, Laboratoire...melt segregation to produce evolved magmas in this region of the Atlantic are also discussed. Introduction...Nautile cruise in the Capo Verde Fracture zone region (IsoN; Fig. 1) of the Mid-Atlantic Ridge (Bougault |  | | Report (issue) | | ................. 39 Central and northwestern region .................................................resources 53 Geological map of the Agnew - Mount Keith region .................................................Generalized tentative stratigraphy of the Forrestania region .................................................nickelfrom mines developed in the Eastern Goldfielh region since 1966. Annual state mine production since...smelter was built at the capital Noumea in 1877. The district that became the world’s principal single source |  | | Book | | the setting and origin of major deposits in the region, together with information on tonnages and grades...tungsten-gold and lead-zinc-silver deposits of the Tighza district of Morocco, proposing links to granite-related...polymetallic vein deposits of the Edough-Cap de Fer district of Algeria, including fluid inclusion data that...porphyry–epithermal transition recorded in the Ouixane iron district of Morocco, using new geochronological and fluid...(±gold ±silver) deposits of the famous Bou Azzer district in Morocco, and proposes a long-lived, magmatic-hydrothermal |  | | Book (volume) | | systematically present the geology of each country, region and continent on Earth. Each book aims to provide...part of Iberia is less known due to the lack of outcrops. It is important to note that tectonic inversions...and varied geodynamic processes active in this region at least since Paleozoic times. As a final point...and its widespread extensive Triassic evaporitic outcrops was recently revisited in a number of studies...lithosphere and upper mantle beneath the Alboran region of the western Mediterranean: Constraints from |  | | Report (Issue volume) | | Finke Group....................44 Boorthanna Trough region...............................................................3 Early Palaeozoic of the eastern region..............................................................34 Early Palaeozoic of the western region...............................................35...watercourses................244 Northeast deserts region...................................................................250 Great Victoria Desert region............................................... |
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