 | | Journal (article/letter/editorial) | | Vermiculite in Serpentinites of the Bohemian Massif in Austria* M. A. G6tzinger Institut fi,ir Mineralogie und...und Kristallographie, Universit~it Wien, Austria With 8 Figures Received February 28, 1986; accepted June...characteristic associated minerals are chlorite and saponite; 3) vermiculite in sedimentary--eluvial transformed...liegen Mikrosondenanalysen vor. Die Peridotite-Serpentinite enthalten als prim~ire Minerale Olivin, Orthopyroxen...field investigations in the northern part of Lower Austria almost monomineralic vermiculite occurrences |  | Čopjaková, Renata, Prokop, Jiří, Novák, Milan, Losos, Zdeněk, Gadas, Petr, Škoda, Radek, Holá, Markéta (2021) Hydrothermal alteration of tourmaline from pegmatitic rocks enclosed in serpentinites: Multistage processes with distinct fluid sources. Lithos, 380. 105823pp. doi:10.1016/j.lithos.2020.105823 | Journal (article/letter/editorial) | | beryl- Jo ur columbite pegmatites, all cutting serpentinite from the Moldanubian Zone, Czech Republic. Tourmaline...alkaline character of fluids promoted by host serpentinite was very -p likely the main factor affecting...behavior of B in granitic rocks enclosed in serpentinite and other compositionally contrasting rocks...lithotectonic units with distinct lithologies. (i) The Drosendorf Unit is structurally divided on the lowermost...Gföhl Unit, and occur rather scarcely in the Drosendorf Unit. lP The Moldanubian pegmatite field is |  | | Journal (article/letter/editorial) | | consolidation of the enclosing siliceous rocks, under much lower 1-T conditions than existed during the preceding...static versus shear pressures and on generally lower versus higher p-T conditions. Recent investigation...replaced by extremely fine-grained chlorite and saponite. The fabric of the gneissesis well preserved upon... the feldspar veins are replacedby penninite, saponite, prehnite, and beta-cerolite with clinochlore...along simple straight-lined contacts the chlorite*saponite assemblage may becomebarely detectable. All evidence |  | | Journal (article/letter/editorial) | | deposits can be taken as an equivalent. Some ferroan saponite and chlorite represent the basic branch of the...with the leading raw materials sand plus gravel, quarry and dimension stones and limestones used for the...(Fig. 1). It has to be noted that among the term quarry and dimension stones there are also some hidden...rocks which formed the Precambrian through the Lower Carboniferous, when the Visean folding put an end...extension was at its maximum during the Devonian and Lower Carboniferous. Basic submarine volcanic activity |  | 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) | | along with talc, envelopes a tectonic slice of serpentinite. Hornblendites are interpreted as metamorphosed...intrusion, interaction with serpentinite, or due to the metasomatism of the serpentinite–gabbro assemblage. Moreover...mineralization; talc; carbonate veins; stable isotopes; serpentinite-gabbro-sediment assemblage 1. Introduction...the culmination of the Żmijowiec Rib, where serpentinite and metabasite bodies are enclosed within the...metasediments. The best described unit is the serpentinite body, which has been the subject of several |  | | Journal (article/letter/editorial) | | AND OCCURRENCE OF FERRIAN SMECTITES BETWEEN SERPENTINITE SAPROLITES AND BASALTS IN BIGA PENINSULA, NORTHWEST...mineralogy of an oxisol-saprolite overlying serpentinite and underlying basalt was studied with different...and chlorite-content increases toward altered serpentinite at the base, Minor amounts of nontronite formed...exposures where the hot contact layer between serpentinite and basalt is only 20 cm thick. Greene-Kelly...schist (the source of beidellite), and minor serpentinite in different percentages and laterally distributed |  | | Journal (article/letter/editorial) | | association with vein serpentine (e.g. Trevassack quarry [SW 712 222]). Although not widely documented,...interface between peridotite and acid Kennack Gneiss), saponite is preferentially crystallised. This Mgsmectite...material showing clasts of vein serpentine, serpentinite and talc in a matrix of dolomite. Unshaded areas...represents serpentinite and vein serpentine; vein serpentine is distinguished from primary serpentinite by its...Dean Quarry Dean Quarry Dean Quarry Dean Quarry Dean Quarry Dean Quarry Dean Quarry Dean Quarry Dean |  | 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 |  | | Journal (article/letter/editorial) | | and Petrol. 17, 237--254 (1968) A Regular Talc-Saponite Mixed-Layer Mineral from Ferriere, Nure Valley...January 3, 1968 Abstract. A regular mixed-layer talc-saponite mineral, contaminated with a certain amount of...distinguished from the platy particles of the talc-saponite mineral. The infra-red method proved very suitable...suitable for identifying the tale and saponite constituents of the mixed-layer mineral. The thermal analyses...lizardite is found as a constituent of some serpentinite rocks (VESIALE, 1962a, b; GIUSErPETTI et al |  | Putzolu, F., Abad, I., Balassone, G., Boni, M., Cappelletti, P., Graziano, S.F., Maczurad, M., Mondillo, N., Najorka, J., Santoro, L. (2020) Parent rock and climatic evolution control on the genesis of Ni-bearing clays in Ni-Co laterites: New inferences from the Wingellina deposit (Western Australia) Ore Geology Reviews, 120. 103431 doi:10.1016/j.oregeorev.2020.103431 | Journal (article/letter/editorial) | | understand the role of diverse bedrocks (gabbro and serpentinite) and the influence of 19 climate on the formation...from the dissolution of plagioclase. In the serpentinite- 23 derived saprolite, the alteration pathway...serpentine II and tri- and dioctahedral smectites (saponite and nontronite); (ii) late precipitation of interstratified...nontronite and beidellite) and trioctahedral (e.g. saponite-stevensite) layered silicates 51 (e.g. Gaudin...limonitic component can be very high (i.e. 95 90%), lower Ni recoveries were systematically obtained from |  | | Journal (article/letter/editorial) | | talc) and trioctahedral smectites (stevensite, saponite, hectorite) as well as chain or fibrous clays...Al-bearing Mg-clay minerals, in the latter case saponite and palygorskite. Mg-clays may also include some...Mg3Si4O10(OH)2 Common MgO content in chemical analysis: Saponite (24–26 wt.%), stevensite (24–28 wt.%), kerolite4...(21–24 wt.%), palygorskite (10–14 wt.%). (A)(A) Saponite. (B) Stevensite. (C) Figure 2. SEM SEMimages ...andAl-free Al-freeMg-clay Mg-clayminerals. minerals. Saponite. (B) Stevensite. Palygorskite. (D) (D) Sepiolite |  | | Journal (article/letter/editorial) | | Adsorption Properties of Montmorillonite and Synthetic Saponite as Packing Materials in LiquidEffect on Crystal...Boehmite, Diaspore, properties ofmontmorillonite, saponite as packing Gibbsite) materials in liquid-column...solutions 25 Ru(phen)32+, on montmorillonite, saponite 530 mechanisms ofgibbsite crystallization from...oxine-treated 61 montmorillonite-Ru(Phen)3 z+ adduct 530 saponite-Ru(Phen)32+ adduct 530 smectite, homoionic, treated...capacity (CEC) Barasym 214 chlorite, from veins in serpentinite 263 Entisol, from hydrothermally altered basalt |  | | Journal (article/letter/editorial) | | Mesozoic to Cenozoic. The Mesozoic is represented by Lower Triassic detrital sediments and dolomitic limestone...Triassic–Upper Jurassic crystallized limestone, and by Lower– Upper Cretaceous pelagic mudstone as well as radiolarian...and Clay Minerals 348 pyroxenite altered to serpentinite and of gabbro dykes. These complexes were emplaced...the interaction of CO2rich surface waters with serpentinite during the ophiolite emplacement (Yeniyol 1982;...example of their genetic origin (Fig. 1d). The lower part consists of magnesite. Based on its physical |  | | Journal (article/letter/editorial) | | 5, 630-636, 1995. CORRENSITE FROM NASEAWICE (LOWER SILESIA, POLAND): SOME PROBLEMS OF MINERAL IDENTIFICATION...of the Mg/(Mg + Fe) ratio in the corrensite, serpentinite and chlorite. Key Words-Calculated X-ray patterns...mineral was found in the serpentinite quarry at Naslawice near Sobotka (Lower Silesia, SW Poland). It...(chlorite-rich zone formed at the expense of serpentinite during rodingitization) adjacent to a clinozoisite...represent experimental points) and its decomposition (lower); ch-chlorite; oriented aggregates. Results and |  | Bruni, Jessica, Canepa, Marco, Chiodini, Giovanni, Cioni, Roberto, Cipolli, Francesco, Longinelli, Antonio, Marini, Luigi, Ottonello, Giulio, Vetuschi Zuccolini, Marino (2002) Irreversible water–rock mass transfer accompanying the generation of the neutral, Mg–HCO3 and high-pH, Ca–OH spring waters of the Genova province, Italy. Applied Geochemistry, 17 (4) 455-474 doi:10.1016/s0883-2927(01)00113-5 | Journal (article/letter/editorial) | | modeling, assuming bulk dissolution of a local serpentinite, and the precipitation of gibbsite, goethite...kaolinite, a montmorillonite solid mixture, a saponite solid mixture, sepiolite, and serpentine. The...of calcite precipitation during closed-system serpentinite dissolution in depleting the aqueous solution...either precipitation from aqueous solutions or serpentinite alteration (Hostetler et al., 1966); these types...S-70, L-43, V-18, BR-1, and A-1 plot near the left lower vertex in Fig. 5. They have a Ca(Na)-OH composition |  | | Journal (article/letter/editorial) | | Argentina, and at the Nepomucene mine, Annaberg, Austria. Occurrence: In the upper oxidation zone of the...Fe2+-dominant analogue of saponite. Name: Reflects the relationship to saponite. Comments: IMA No. 2002–028...cell probably is P-centered, but by analogy with saponite, it should be C-centered; (3) the index of refraction...Jassing, between Leoben and St. Michael, Styria, Austria (Lat. 47° 20'48"N, Long. 15° 2'19"E, altitude 570...O)8•H2O T RICLINIC Locality: Kovdor phlogopite quarry, Kovdor massif, Kola Peninsula, Russia. Occurrence: |  | | Journal (article/letter/editorial) | | consistent with the local primary and secondary serpentinite paragenesis. For the model, bicarbonate waters...based on the assumption that the dissolution of serpentinite results in supersaturation with respect to kaolinite...kaolinite, ferrihydrite, vermiculite, Fe2+–Mg2+saponite, and poorly crystalline serpentine. The alkaline...that play fundamental roles in controlling the serpentinite T. Boschetti, L. Toscani / Chemical Geology...source spring waters plot towards the other apexes (lower C) typical of ophiolite minerals (samples from UM41 |  | | Journal (article/letter/editorial) | | than the brucite sheet when in contact with serpentinite soil matrix solutions. The greater stability...nucleation of Fe-rich montmorillonite rather than saponite in soils forming on serpentine rocks. The octahedral...of serpentine to Fe-rich montmorillonite in serpentinite-derivedsoilsof California (Wildman et al., 1968a)affords...formation of montmorillonite rather than saponite in high Mg, serpentinite-derived soils, we have used the indirect...phyllosilicate clay. ExpBnrlrBNrAL AND Rnsurrs Serpentinite rocks used in the dissolution experiments included |  | | Journal (issue) | | from the tin deposits of Elsmore, New England district of New South Wales. Rankin, John, Sharpe, James...8(2):7S-79 Mendozavilite from the Fitzgerald River district, Western Australia. Birch, William D., Pring,...7(1):39 Minerals in podiform chromitites-Tumut Serpentinite Province, southern New South Wales. Graham,...Phillipsite and associated minerals from Hargraves quarry, Oberon, New South Wales. Graham, Ian T., Colchester...Pogson, Ross E. 8( I):29-32 Quartz from White Rock quarry, Adelaide, South Australia. Sutton, Pat. 8(1):17-27 |  | Nimis, Paolo, Tesalina, Svetlana G., Omenetto, Paolo, Tartarotti, Paola, Lerouge, Catherine (2004) Phyllosilicate minerals in the hydrothermal mafic?ultramafic-hosted massive-sulfide deposit of Ivanovka (southern Urals): comparison with modern ocean seafloor analogues. Contributions to Mineralogy and Petrology, 147 (3) 363-383 doi:10.1007/s00410-004-0565-3 | Journal (article/letter/editorial) | | ferroan talc, (Mg, Si)-rich and (Ca, Na, K)-poor saponite (stevensite), and serpentine. These minerals occur...alteration to chlorite + illite ± actinolite ± saponite ± talc-bearing assemblages and later localized...localized deeper alteration to chlorite ± saponite. Ultramafic and mixed ultramafic–mafic breccias were altered...further sulfides, and led to local development of saponite after chlorite and widespread replacement of serpentine...described in the literature as ‘‘metasomatized serpentinite’’ (or ‘‘aposerpentinity’’ in the Russian lit |  | Tesalina, S.G, Nimis, P, Augé, T, Zaykov, V.V (2003) Origin of chromite in mafic–ultramafic-hosted hydrothermal massive sulfides from the Main Uralian Fault, South Urals, Russia. Lithos, 70 (1) 39-59 doi:10.1016/s0024-4937(03)00090-2 | Journal (article/letter/editorial) | | sulfides or scattered in their talc F chlorite F saponite F quartz F carbonate matrix. They are characterized...seafloor hydrothermal sulfide ores of the Sykesville District, Maryland Piedmont. More recently, Melekestseva...F Mg-rich chlorite F carbonate F (Mg, Si)-rich saponite (stevensite) F quartz rocks (Nimis et al., in...hydrothermally altered rocks lies between a footwall serpentinite and overlying pillow basalts. The latter are...lamellar pyrrhotite with interstitial Mg-rich saponite, chlorite, Fe-rich talc, quartz or dolomite (Nimis |  | | Catalog/List | | Cos C \,r 51 ■■ CHAYESITE Pauliberg, Burgerland Austria ,/ Dark blue single 2mm crystals on rock,a) one...Zcolite Ix! £4 lx2 £8 2x2£16 26) ■ MAGADIITE Aris Quarry, near Windhoek,Namibia / White micro snow-flakes...SiO 220 ■ MENDIPITE ✓~ CaAISiOC0/3 Merehend Quarry, Mendips Somerset Very rich white to pinkish faintly...fluorescence lxl£3 lx2£5 FLUORESCEN'. ■ SCHEELITE Penlee Quarry, Newlyn,Cornwall creamy spots in chlorite. Fluorescent...Sjogruvan Grythyttan, Sweden 126 DIASPORE Saga Quarry, Tvedalen, Norway Rich fawn massive, x-rayed material |  | | Journal (article/letter/editorial) | | JOURNAL, VOL.6, No. 5, pp. 289-298,SEPT.,1971 SAPONITE FROM THE WAKAMATSU MINE, TOTTORI PREFECTURE, JAPAN...Prefecture. Ultrabasic rocks prevailing over the district belong to the Sangun metamorphic zone and are...found that lizardite occurs abun dantly in the serpentinite in this region. A grey-coloured clay mineral...level of the Wakamatsu mine was iden tified to be saponite. The mineral occurs in a form of a vein and in...Thi ckness of the saponite vein varies from 10cm to about 30cm. It 290 Saponite from the Wakamatsu |  | | Journal (article/letter/editorial) | | GEOLOGY AND ORIGIN OF SEPIOLITE, PALYGORSKITE AND SAPONITE IN NEOGENE LACUSTRINE SEDIMENTS OF THE SERINHISAR-ACIPAYAM...alkaline-lake environments where sepiolite, palygorskite, saponite and dolomitic sepiolite or palygorskite precipitated...section and is intercalated with saponite-dominated levels, whereas saponite accompanied palygorskite at Kocapınar...The contacts between sepiolite-palygorskite and saponite levels are more or less sharp, reflecting rapid...dolomitic sepiolite and dolomitic palygorskite. Saponite is either green or reddish brown due to its organic |  | | Journal (article/letter/editorial) | | 444 represents the lower 50% boundary of hisingerite compositions. represents the lower 50% boundary of...50), apparently owing to the presence of some saponite or nontronite impurity [24]. Table 1. Average...hisingerite and greenalite components in the serpentinite product are sufficiently large that, unless...attributable to contamination by a clay mineral such as saponite, as discussed below. Importantly, the Bardon Peak...interpreted as indicative of contamination by Mg-bearing saponite. Troctolite sample LAC-1B is from the layered |
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