 | | 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 |  | | 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 |  | 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...Mg-rich hydrous minerals such as talc and antigorite in serpentinite at the slab–mantle interface in the... 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., |  | | 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... S N S N S N S omph gr ep/zo glau ctd ky talc ph par Mg-chl lw? ru omph gr ep/zo glau Ca-amph |  | | 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) | | 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 |  | 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 |  | Gil, Grzegorz, Gunia, Piotr, Barnes, Jaime D., Szymański, Michał, Jokubauskas, Petras, Kalbarczyk-Gil, Anna, Bagiński, Bogusław (2019) Origin of Talc and Fe-Ti-V Mineralization in the Kletno Deposit (the Śnieżnik Massif, SW Poland) Minerals, 10 (1) 13 doi:10.3390/min10010013 | Journal (article/letter/editorial) | | minerals Article Origin of Talc and Fe-Ti-V Mineralization in the Kletno Deposit (the Śnieżnik Massif...ppm V in bulk rock) and ornamental- to gem-quality talc prospect at the southwest margin of this deposit...schists, which, along with talc, envelopes a tectonic slice of serpentinite. Hornblendites are interpreted...gabbros and formation of the dolomite veins, whereas talc formed due to Si-rich fluids, possibly derived from...intrusion, interaction with serpentinite, or due to the metasomatism of the serpentinite–gabbro assemblage. Moreover |  | Kislov, Evgeniy V., Erokhin, Yuriy V., Popov, Mikhail P., Nikolayev, Anatoliy G. (2021) Nephrite of Bazhenovskoye Chrysotile–Asbestos Deposit, Middle Urals: Localization, Mineral Composition and Color. Minerals, 11 (11) 1227 doi:10.3390/min11111227 | Journal (article/letter/editorial) | | deposit (Middle Urals), nephrite bodies of the serpentinite type were found on the contact of after gabbro...quality of the nephrite is decreased by serpentine and talc, as well as by fractures due to drilling and blasting...© 2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed...endogenous geological–industrial types: serpentinite type (after serpentinite metasomatites at ophiolites) and...Khamar–Khudinskoye, and Ulan– Khodinskoye deposits of serpentinite type nephrite and Kavoktinskoye, Golyubinskoye |  | | Report (issue) | | March 1951 TALC INVESTIGATIONS IN VERM10NT PRELIMINARY REPORT By A. H. Chidester, M.P. Billings and...• . . • . . • . . . . • • • • • • • . 1 Uses of talc ...••....•••••• ~ . • • • • . • • • • • • • • •...• . • • . . • • 3 Geographic distribution of the talc deposits •.......•..•••••...•••.•..•.• 3 Geology-........ 7 Talc reserve~. • • • . . . • . . . • • . . . • . . • . . • • • • • • • • . • 8 Talc deposits......••..•.. ~ .•.•.•... 14 The Montgomery Center talc Prospect locality 5 •..••......•.••..•...•...•• |  | Rizzo, Giovanna, Dichicco, Maria Carmela, Castiñeiras, Pedro, Grassa, Fausto, Laurita, Salvatore, Paternoster, Michele, Sinisi, Rosa, Mongelli, Giovanni (2020) An Integrated Study of the Serpentinite-Hosted Hydrothermal System in the Pollino Massif (Southern Apennines, Italy) Minerals, 10 (2) 127 doi:10.3390/min10020127 | Journal (article/letter/editorial) | | minerals Article An Integrated Study of the Serpentinite-Hosted Hydrothermal System in the Pollino Massif... Abstract: A comprehensive study of the serpentinite and associated veins belonging to the Frido...amphiboles, pyroxene, chlorite, titanite, magnetite, and talc. In some samples, hydro-garnet was also detected...amounts of CO2 [27,28]. Carbonates, usually as serpentinite matrix and/or vein infill within an extensive...Frido Unit [47] is represented by tectonized serpentinite [48–51], metabasalt [52], metagabbro, metapillow |  | | 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;...can also contain other accessory minerals such as talc, chlorite, magnetite, carbonates and sulfides, as...when it is used as a construction material. Serpentinite has been used throughout the history of civilizations |  | Hughes, Lewis, Burgess, Ray, Chavrit, Déborah, Pawley, Alison, Tartèse, Romain, Droop, Giles, Ballentine, Chris J., Lyon, Ian (2018) Halogen behaviour in subduction zones: Eclogite facies rocks from the Western and Central Alps. Geochimica et Cosmochimica Acta, 243. 1-23 doi:10.1016/j.gca.2018.09.024 | Journal (article/letter/editorial) | | Baumgartner, 1995) and the Late Jurassic-Early Cretaceous Valais Ocean (Stampfli et al., 1998), through southward...metagabbro lenses separated by shear zones, within a serpentinite matrix (Guillot et al., 2004). Within the complex...The metagabbro body overlies large sections of serpentinite, with evidence of rodingitization between them...extent, which sit above large quantities of serpentinite (van der Klauw et al., 1997; Reinecke, 1998;...converting the assemblage to omphacite + zoisite + talc + chloritoid + garnet + kyanite + rutile at ~2.5 |  | 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) | | Petrographie, ETH, Sonneggstrage5, CH-8006Zt~rich,Switzerland Bernard W. Evans Department of GeologicalSciences...among antigorite, diopside, tremolite, forsterite, talc, calcite, dolomite and magnesite in progressively...characteristic of the marginal parts of many serpentinite bodies, but also occur along associated tectonized...scal e, bulk Compositions vary from almost pure serpentinite to almost pure carbonate rock. Depending on...ophicalcite, ophidolomite, and ophirnagnesite rocks. Talc-carbonate rocks are often closely associated. The |  | Swayze, Gregg A., Higgins, Chris T., Clinkenbeard, John P., Kokaly, Raymond F., Clark, Roger N., Meeker, Gregory P., Sutley, Stephen J. (2004) Preliminary report on using imaging spectroscopy to map ultramafic rocks, serpentinites, and tremolite-actinolite-bearing rocks in California. Open-File Report 2004-1304. US Geological Survey doi:10.3133/ofr20041304 | Report (issue) | | .................... 4B: Details of Bear Creek Quarry area ............................................in El Dorado and Plumas Counties that contain serpentinite and ultramafic rocks as part of an experiment...exposures of serpentine and tremolite-actinolite/talc in areas with up to 70 percent vegetation cover...may be more serpentine and tremolite-actinolite/talc present than is shown on the mineral maps. It also...tremolite-actinolite from talc using AVIRIS. Serpentine has been detected outside of known serpentinite outcrop areas |  | | Journal (article/letter/editorial) | | METAMORPHIC DIFFERENTIATION AT CONTACTS BETWEEN SERPENTINITE AND SILICEOUS COUNTRY ROCKS A. H. PnrruPS AND...Differentiation. . .. .. Lower Temperature Types Serpentinite Belt north of Thetford Mines, Quebec . . . Fligher...Temperature Types Vermont Mineral Products Company Quarry, Chester, Vt.. . Holden SoapstoneQuarry southeast...Conclusions Concerning Metamorphic Difierentiation at Serpentinite-Country ,, Contacts. Acknowledgments. . . 353...serpentine. Lodochnikov2 has suggestedthe term "serpentinite" for such intrusions, since the serpentine is |  | | Book (edition) | | reflected light (e.g. micas). or flexible (e.g. talc) minerals. In crystal optics for reflected light...ability of a mineral to scratch another one: 1 - talc, 2 - relative ability of an opaque mineral to reflect...common terms are not abbreviated, e.g. canton (Switzerland), vilayet (Turkey), region (Chile), kray and...Menzenschwand Scbwarzwald Mts., in the Sailauf quarry, Spessart Mts., Bavaria. both Germany, and from...of some skarns and eclogites. With anthophyllite, talc, chromean spine!, and magnetite in desilicified |  | | Report (issue) | | their alteration products-serpentinite, chrysotile asbestos, steatite, talc-carbonate rock, and carbo...and associated rocks-Continued Igneous rocks, serpentinite, and veins-Continued Mineralogy and paragenesis-Continued...---------------------41 Graphite ------------------------Steatite, talc-carbonate rock, and carbonate41 quartz rock ---...----41 Steatite -----------------------------42 Talc-carbonate rock -----------------43 Carbonate-quartz...---------------43 Mineralogy and paragenesis ---------43 Talc ----------------------------43 Carbonate ----------------------43 |  | | Report (issue) | | Resources Consultative Committee Mineral Dossier No 10 Talc Compiled by D E Highley, BSc, MIMM, C Eng. Mineral...Sand and Gravel Tungsten Celestite Salt Sulphur Tin Talc Preface The Mineral Resources Consultative Committee...other United Kingdom suppliers and consumers of talc for their assistance. lvletric units are employed...Industry 22 References 23 Illustrations Fig 1 Talc localities in Scotland 7 Fig 2 Distribution of...the island of Unst in the Shetlands 8 Summary Talc is a hydrated magnesium silicate with the formula |  | | Journal (article/letter/editorial) | | systematically separated by a 5 to 100 m thick layer of serpentinite. This stack of slices is separated from the...crust (e.g., Monte Rosa) by a thick (~ 500 m) serpentinite sole. Field observations, textural relationships...showing the stability field of lawsonite and serpentinite for a MORB-type basalt (modified after Poli and...ophiolite, which extends from Saas-Fee area (Switzerland) to the Aosta valley (Italy; Fig. 1c), belongs...1999; Widmer et al., 2000; Martin et al., 2008). Serpentinite breccias from the southern Aosta valley (Mont |  | | Report (volume) | | Serpentinite and Rodingite in the Hunting Hill Quarry, Montgomery County, Maryland By DAVID M. LARRABEE...BULLETIN 1283 Description of rocks exposed in the quarry near the center of the Hunting Hill ultramafite...showing distribution of rocks in the Hunting Hill serpentinite pluton, Montgomery County, Md ____ In pocket...pocket 2. Geologic map of the Hunting Hill serpentinite quarry __ In pocket 1. Index map showing location...location of the Hunting Hill serpentinite pluton, Montgomery County, Md______________ 3 2. Photograph of the |  | | Report (issue) | | DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY TALC RESOURCES OF THE CONTERMINOUS UNITED STATES By...the U.S. Government. 1995 Menlo Park, CA 94025 Talc Resources of the conterminous United States Contents............................................8 Talc and talc-bearing rocks ................................optical properties of talc .........................10 Geology and Genesis of Talc Deposits .................................................12 Uses for talc ............................................... |  | | Report (volume) | | Antigorite-chlorite rock___________-_-_-_-____-____ B-42 Talc-carbonate rock----_-________-_-_-_-________-__ 42...resources________________-_-______-_-_-_-_----_______ 70 Talc._____--_.____-__-__________-_---_-_-_-_-----_---------__...plutonic rocks, such as dunite, peridotite, and serpentinite, probably of Late Ordovician age; sills and...rocks, and steatitization and carbonatization of serpentinite. Contact metamorphism has formed rocks of the...present production is from the Lowell quarry and from the C-area quarry. The principal physical exploration |  | Tian, Ye, Xiao, Yilin, Chen, Yi-Xiang, Sun, He, Liu, Haiyang, Tong, Fengtai, Yang, Jie-Hua, Schertl, Hans-Peter (2019) Serpentinite-derived low δ7Li fluids in continental subduction zones: Constraints from the fluid metasomatic rocks (whiteschist) from the Dora-Maira Massif, Western Alps. Lithos, 348. 105177 doi:10.1016/j.lithos.2019.105177 | Journal (article/letter/editorial) | | Accepted Manuscript Serpentinite-derived low δ7Li fluids in continental subduction zones: Constraints...article as: Y. Tian, Y. Xiao, Y.-X. Chen, et al., Serpentinite-derived low δ7Li fluids in continental subduction...to the journal pertain. ACCEPTED MANUSCRIPT Serpentinite-derived low δ7Li fluids in continental subduction...lithium isotopes; metasomatism; whiteschist; serpentinite; Western Alps 2 ACCEPTED MANUSCRIPT 1. Introduction...of quartz/coesite, pyrope, kyanite, phengite and talc, occur as lenses in RI PT thickness of a few to |
|
