 | | Journal (article/letter/editorial) | | CH-4001 Basel, Switzerland and Mineralogical Institute of the University CH-4056 Basel, Switzerland Probably...excavations in GalloRoman sites in southern Switzerland (Canton Valais, Binn) several crystal treasures were...particular sulfosalt minerals from the Lengenbach quarry in Binntal-which, at least in part, are still valid...in several large natural history museums in Switzerland and abroad were assembled (for example, the outstanding...mineral locality in the Alps, namely, the Lengenbach quarry in Binntal. In 1958, due to the initiative of Prof |  | | Book (edition) | | Ltd. London als »A Guide to the Minerals of Switzerland« 1966 in englischer Sprache. 1m gleichen Jahr... Heulandit, Skolecit Apatit Milarit Axinit Serpentinite (ultrabasisch) Chlorit (Pennin) Magnetit Talk...Erzlinsen und Kluften. - Obergestein Gasleitungsstollen (Goms VS). - Gotthard-Bahn- und StraBentunnel (URITI)...Nadeln. Bis 5cm. Obergesteln Gasleitungsstollen (Goms VS): haarformig , 5mm. Nordostlich Mompe-Tujetsch...des Kristallins . - Gibelsbach (westlich Fiesch, Goms VS): grune Oktaeder neben Heulandit, Stilbit. - |  | | Journal (issue) | | Umwandlungsorgänge nicht mit Sicherheit zu beschreiben. Serpentinite und die sie begleitenden Ta „ chiefer gehören...m ph i bolite und Ta l kschiefer, aber keine Serpentinite. Ein typi ehe Min e ral i t zum B eispiel Hornblende...Spiswald, Goms Äbilöüb, Goms V Waljiwald, Gom Ägenebach , G Ägenebach , Gintrige, G Gere, Go Gere, Go Oberbac...radis, Val Nalps GR L B E STA T D n oten der Serpentinite sind Antigorit, Chrysotil und Lizardit, die...Flecken. „ Die Speckstein-/Serpentinitbrüche im Goms scheinen r ch p 1u bau etwa 2,5 km östlich Ulrichen |  | | Journal (article/letter/editorial) | | but spinel lherzolite is present at Davos (Switzerland) and Pras (France). The latter is characterized...ophiolites" hereafter) occur in the Piemont zone, Valais zone, Gets nappe of the Prealps, Helminthoid Flysch...localities mentioned in the text. Helvetic zone ( H ). Valais zone ( V), Brian~on zone (B), Piemont zone ( P...on Argand [68]. Structural interpretation of the Valais zone follows that of Debelmas and Lemoine [69]...n t zone of east Switzerland), Gets N a p p e (Prealps), a n d Versoyen area (Valais zone) are also presented |  | | Journal (article/letter/editorial) | | Eur. J. Mineral. 2006, 18, 299–308 Assessing the Valais ocean, Western Alps: U-Pb SHRIMP zircon geochronology...Technology (ETH), Sonneggstrasse 5, 8092 Zurich, Switzerland *Corresponding author, e-mail: liati@erdw.ethz...the Balma unit, a nappe sliver of eclogite and serpentinite directly overlying the Monte Rosa nappe in the...Western Alps, represents a remnant of the Cretaceous Valais ocean. In order to test this hypothesis, U-Pb SHRIMP...Chiavenna ophiolites (Central Alps), attributed to the Valais ocean. The 40.4 ± 0.7 Ma HP metamorphism is marginally |  | | Journal (article/letter/editorial) | | © 2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed...Ocean, i.e., the Ligurian-Piedmont Ocean and the Valais Ocean, that opened from the Jurassic to the Cretaceous...in the inner and axial sectors of the Alps. The Valais Ocean opened along the border between the European...Briançonnais microcontinent [26]. The corresponding Valais units with metaophiolites represent a more external...eclogite facies metamorphism are recorded in the Valais units (ca. 42–40 Ma ago) [22]. However, all these |  | Tartarotti, , Guerini, , Rotondo, , Festa, , Balestro, , Bebout, , Cannaò, , Epstein, , Scambelluri, (2019) Superposed Sedimentary and Tectonic Block-In-Matrix Fabrics in a Subducted Serpentinite Mélange (High-Pressure Zermatt Saas Ophiolite, Western Alps) Geosciences, 9 (8) 358 doi:10.3390/geosciences9080358 | Journal (article/letter/editorial) | | Tectonic Block-In-Matrix Fabrics in a Subducted Serpentinite Mélange (High-Pressure Zermatt Saas Ophiolite...such as carbonate-rich rocks and turbiditic serpentinite metasandstones. During collision and exhumation...collision) may not be contradictory, particularly for serpentinite-matrix mélanges derived by the dismemberment...this paper, we focus on the description of a serpentinite chaotic rock unit (the “Composite Chaotic Unit”...Valley region; Figure 1), occurring between a serpentinite and metaophicarbonate basement and a metasedimentary |  | | Journal (article/letter/editorial) | | Continent Transition: The Totalp unit in SE Switzerland S. Picazo a,⁎, G. Manatschal b, M. Cannat a,...Tethys Totalp unit Ocean Continent Transition Serpentinite gouges and cataclasites Structural evolution...peridotites of the Totalp unit near Davos (SE Switzerland), and we propose that the Totalp unit is formed...some of these outcrops, in particular in SE Switzerland, it has been shown that the ultramafic rocks were...the Totalp unit located north of Davos in SE Switzerland. In contrast to the Platta and Tasna nappes, |  | | Report (chapter) | | see P6rez-Gussiny6 et al. 2001). Moreover, the serpentinite layer extends continentward beneath the most...granulite facies; SE, serpentinite; OC, ophicalcite resting on the serpentinite sea floor; JB, Jurassic...shear zones Ophicalcites (Figs 6 and 7) are serpentinite and gabbro breccias covering ultramafic-gabbroic...carbonate (mainly calcite) or second-generation serpentinite. The 'clasts' are variable in size and shape... Consisting of serpentinite and gabbro cross-cut by calcite, dolomite or serpentinite veins, OC1 show |  | | Journal (article/letter/editorial) | | Petrographie, ETH, Sonneggstrasse 5, CH-8006 Zfirich, Switzerland 2 Department of Geological Sciences AJ-20, University...outermost zone of the Bergell aureole in the Malenco Serpentinite, Prov. Sondrio, Italy. The breakdown coincides...pressure of 3 kbars. Elsewhere in the Malenco Serpentinite, titanian hydroxyl-clinohumite may be found...1938; Bearth 1967 ; M6ckel 1969). The large serpentinite mass of Val Malenco (Fig. 1) in particular has...vicinity of the Bergell Tonalite, the Malenco Serpentinite has undergone progressive contact m e t a m |  | Pelletier, Laure, Müntener, Othmar, Kalt, Angelika, Vennemann, Torsten W., Belgya, Tamás (2008) Emplacement of ultramafic rocks into the continental crust monitored by light and other trace elements: An example from the Geisspfad body (Swiss-Italian Alps) Chemical Geology, 255 (1) 143-159 doi:10.1016/j.chemgeo.2008.06.024 | Journal (article/letter/editorial) | | Neuchâtel, Emile Argand 11, CP158, 2009 Neuchâtel, Switzerland Institute of Mineralogy and Geochemistry, University...University of Lausanne, Anthropole, 1015 Lausanne, Switzerland Institute of Isotopes, Hungarian Academy of Sciences...L. Rudnick Keywords: Lithium Beryllium Boron Serpentinite Fluid flow A B S T R A C T In order to evaluate...was observed in the serpentinite. In-situ analysis of light elements of serpentinite minerals indicate...among the different minerals is visible in the serpentinite, at a maximum distance of ~100– 150 m from the |  | Chen, Yi-Xiang, Schertl, Hans-Peter, Zheng, Yong-Fei, Huang, Fang, Zhou, Kun, Gong, Ying-Zeng (2016) Mg–O isotopes trace the origin of Mg-rich fluids in the deeply subducted continental crust of Western Alps. Earth and Planetary Science Letters, 456. 157-167 doi:10.1016/j.epsl.2016.09.010 | Journal (article/letter/editorial) | | isotopes O isotopes metasomatism subduction channel serpentinite a b s t r a c t Fluids are important for mass...especially those derived from dehydration of serpentinite. Coesite-bearing whiteschist at Dora-Maira in...hydrous minerals such as talc and antigorite in serpentinite at the slab–mantle interface in the subduction... Therefore, the dehydration of mantle wedge serpentinite during the subduction and exhumation of continental...reserved. cially those from dehydration of serpentinite (Tonarini et al., 2011; Scambelluri et al., |  | Schwarzenbach, Esther M., Früh-Green, Gretchen L., Bernasconi, Stefano M., Alt, Jeffrey C., Shanks III, Wayne C., Gaggero, Laura, Crispini, Laura (2012) Sulfur geochemistry of peridotite-hosted hydrothermal systems: Comparing the Ligurian ophiolites with oceanic serpentinites. Geochimica et Cosmochimica Acta, 91. 283-305 doi:10.1016/j.gca.2012.05.021 | Journal (article/letter/editorial) | | CH-8092 Zurich, Switzerland b Geological Institute, ETH Zurich, CH-8092 Zurich, Switzerland c Department...on fluid chemistry. In Alpine ophiolites, many serpentinite bodies are believed to record processes analogous...the basaltic dikes and flows are missing. The serpentinite basement contains small amounts of calcite veins...mineralogy of the serpentinites has shown that the serpentinite and ophicalcite outcrops in some of the quarries...systematically sampled from deeper zones within the quarry, from the shear zones and from the top of the quarries |  | | Journal (article/letter/editorial) | | from the Voltri Group, the Aosta Valley and the Valais. Comparison of recalculated temperatures shows...re-equilibration increased in the Aosta Valley and the Valais, in keeping with what has been observed i n the...Group in Liguria to the ZermattSaas zone in Switzerland. + GEOLOGICAL FRAMEWORK The middle upper Val...consist of kilometre-scale masses of antigorite serpentinite several hundred metres thick. In addition to...antigorite serpentinite masses are usually surrounded by foliated serpentinites or serpentinite schists |  | | Journal (article/letter/editorial) | | the Alpine-Apenninic ophiolites (France-Italy-Switzerland-Austria) JACQUELINE DESMONS Centre de Recherches...units in Corsica; the Piemonte thrust units, the Valais/ Wallis unit and the Antrona unit in the Western...metamorphosed and deformed basement made up of serpentinite, gabbro and serpentine-carbonate breccia (ophicalcite)...ophiolitoids rather than ophiolites. Slices of serpentinite and mafic rocks, interpreted either as olistoliths...as olistoliths, at most 50 m thick. There are serpentinite, gabbro and various types of diabase together |  | | Journal (article/letter/editorial) | | tectonised complex of spilites, cherts, isolated serpentinite bodies, greywackes and shales. Palaeontological...Types Volcano-sedimentary sequences with small serpentinite bodies characterised by a chaotic internal structure...Turkey. Only the major shear zones and large serpentinite outcrops are shown. Blank areas consist of closely...pelagic sediments, basic volcanic rocks and serpentinite, all of which are incipiently metamorphosed...with large numbers of shear zones marked by serpentinite and talc outcrops; slivers of greenschists occur |  | López Sánchez-Vizcaíno, V., Trommsdorff, V., Gómez-Pugnaire, M. T., Garrido, C. J., Müntener, O., Connolly, J. A. D. (2005) Petrology of titanian clinohumite and olivine at the high-pressure breakdown of antigorite serpentinite to chlorite harzburgite (Almirez Massif, S. Spain) Contributions to Mineralogy and Petrology, 149 (6) 627-646 doi:10.1007/s00410-005-0678-3 | Journal (article/letter/editorial) | | at the high-pressure breakdown of antigorite serpentinite to chlorite harzburgite (Almirez Massif, S....high-pressure dehydration of antigorite–olivine serpentinite to form chlorite harzburgite (ol + opx + chl)...depending on the rock type. OH–TiCl occurs in the serpentinite as disseminated grains and in veins. F–OH– TiCl...und Petrographie, ETH Zentrum, 8092 Zurich, Switzerland M. T. Gómez-Pugnaire Æ C. J. Garrido Departamento...Geological Sciences, University of Bern, 3012 Bern, Switzerland vation suggests that some of the oxide inclusions |  | | Journal (article/letter/editorial) | | and, as yet, untested approach is to analyze serpentinite and metabasite rocks containing asbestos using...the in situ rapid chemical discrimination of serpentinite and metabasite rocks. The characterization of...asbestos. However, asbestos fibers can be hosted in serpentinite or metabasite rocks whose outcrops are known...purposes. For example, ever since antiquity serpentinite and metabasite have been used as building materials...toxic elements (e.g., Cr, Ni) [27,28], indeed serpentinite and metabasite derived soils are usually rich |  | Barnes, Jaime D., Beltrando, Marco, Lee, Cin-Ty A., Cisneros, Miguel, Loewy, Staci, Chin, Emily (2014) Geochemistry of Alpine serpentinites from rifting to subduction: A view across paleogeographic domains and metamorphic grade. Chemical Geology, 389. 29-47 doi:10.1016/j.chemgeo.2014.09.012 | Journal (article/letter/editorial) | | mobility of Pb, Ba, Cs, U, Rb during subduction •Serpentinite-crustal contact is analogous to the slab-mantle...Canavese unit and Punta Rossa Unit). Bulk rock serpentinite samples have high REE RI concentrations, compared...distance to the interface between the sediment and serpentinite. The chemical gradient between the ultramafic...values increase, 37Cl values decrease within the serpentinite with decreasing distance to the contact and...geochemical gradients within the Punta Rossa serpentinite indicates a limited role for externally derived |  | | Journal (article/letter/editorial) | | published a detail geologic map. They proposed that serpentinite mélange with metamorphic and plutonic rocks...Tobiishi Formation of Kanmera (1952), or Hakoishi serpentinite mélange unit and basaltic lava and volcaniclastic...Formation of Kanmera (1952) and the Hakoishi serpentinite mélange unit of Saito et al. (2005). Our geologic...meta-siliceous rocks, in a 2 × 10 km2 extent, and that serpentinite is widely distributed at the southern edge of...of the Taveyanne formation near Loèche, Valais, Switzerland. Journal of Petrology, 17, 440471. Gerya |  | Schenker, F. L., Schmalholz, S. M., Moulas, E., Pleuger, J., Baumgartner, L. P., Podladchikov, Y., Vrijmoed, J., Buchs, N., Müntener, O. (2015) Current challenges for explaining (ultra)high-pressure tectonism in the Pennine domain of the Central and Western Alps. Journal of Metamorphic Geology, 33 (8) 869-886 doi:10.1111/jmg.12143 | Journal (article/letter/editorial) | | Sciences, University of Lausanne, CH-1015 Lausanne, Switzerland (filippo.schenker@supsi.ch) 2 Institute of Earth...Sciences and Arts of Southern Switzerland (SUPSI), CH-6952 Canobbio, Switzerland 3 Department of Earth Sciences...Sciences, ETH Zurich, CH-8092 Zurich, Switzerland 4 Institute of Geological Sciences, Freie Universit€at...basin(s) such as the Briancßonnais swell and the Valais basin (e.g. Debelmas & Lemoine, 1970; Tricart,...Tsaté unit Metasediments Undifferentiated ZSZ Serpentinite (b) Geological map in the Täsch Valley limits |  | | Journal (article/letter/editorial) | | widespread mélanges of four main types: diapiric serpentinite intrusions, sedimentary olistostromes, broken...to have involved wedge-driven thrusting. Many serpentinite diapirs and tectonic mélanges contain exotic...the origin and geologic evolution of these serpentinite-, mud and/or sand-matrix mélanges with included...different endmember types are recognized, including serpentinite diapiric intrusions, clastic sedimentary olistostromes...similar-appearing deposits. For instance: both serpentinite diapirs and tectonic mélanges have been mixed |  | Ferrando, Simona, Frezzotti, Maria Luce, Orione, Paolo, Conte, Riccardo Carlo, Compagnoni, Roberto (2010) Late-Alpine rodingitization in the Bellecombe meta-ophiolites (Aosta Valley, Italian Western Alps): evidence from mineral assemblages and serpentinization-derived H2-bearing brine. International Geology Review, 52 (10) 1220-1243 doi:10.1080/00206810903557761 | Journal (article/letter/editorial) | | occurrence within the Bellecombe antigorite-serpentinite, exposed in the Piemonte zone of Aosta Valley...tectono-metamorphic history similar to that of the hosting serpentinite and characterized by an earlier high pressure...olivine. Keywords: metasomatism; rodingite; serpentinite; veins; vesuvianite; fluid inclusions; hydrogen;...zones’ at the contact between metabasite and serpentinite (garnet + epidote + chlorite). To explain these...Camughera–Moncucco zone (CM); (6) outer Penninic Valais units and Sion–Courmayeur zone, undifferentiated; |  | | Journal (article/letter/editorial) | | com/journal/geosciences Article Verde Macael: A Serpentinite Wrongly Referred to as a Marble Rafael Navarro...comparison of properties of the Verde Macael serpentinite with a true marble in the hope of contributing...sector. Geosciences 2013, 3 103 Keywords: Serpentinite; Verde Macael; natural stone; carbonate replacement;...when it is used as a construction material. Serpentinite has been used throughout the history of civilizations...churches and cathedrals around Europe have used serpentinite as an important part of the whole construction |  | Gil, Grzegorz, Bagiński, Bogusław, Gunia, Piotr, Madej, Stanisław, Sachanbiński, Michał, Jokubauskas, Petras, Belka, Zdzislaw (2020) Comparative Fe and Sr isotope study of nephrite deposits hosted in dolomitic marbles and serpentinites from the Sudetes, SW Poland: Implications for Fe-As-Au-bearing skarn formation and post-obduction evolution of the oceanic lithosphere. Ore Geology Reviews, 118. 103335 doi:10.1016/j.oregeorev.2020.103335 | Journal (article/letter/editorial) | | Nephrites belonging to both the dolomite-related and serpentinite-related genetic types, from the Złoty Stok deposit...(2.64-5.64 wt.% Fe). In contrast, iron in the serpentinite-related nephrites (2.06-3.88 wt.% Fe, δ56Fe...skarn), and the abyssal serpentinite – through ophiolite – towards serpentinite-related nephrite transformation...dolomite-related nephrite formation, and decreasing during serpentinite-related nephrite formation. This phenomena may...Furthermore, Fe in the rock-forming tremolite from the serpentinite-related nephrites is isotopically heavier than |
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