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| NOVEMBER-DECEMBER 2018 Articles Oberdorf an der Laming, Styria, Austria ................................ ....COVER: STRONTIANITE, 9 cm, from Oberdorf an der Laming, Styria, Austria. Fine Minerals International specimen...STEPHANIE@STONETRUST.COM Obtrdorf an dtr Laming ~ tyria, austria Thomas P. Moore Peter Huber 2709...net Rohe-Wand-Gasse 18 A-2700 Wiener Neustadt, Austria huber@mineral.at Just outside the village of Oberdorf...eastern Austrian Alps is a cluster of three small magnesite mines, one of which has produced the finest strontianite |
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| years the active serpentinite quarry near Hrubšice in Moravia provide an opportunity for the study of...occurrences in serpentinite bodies of Austria (magnesite deposit Kraubath, Styria; POSTL 1993) and Italy (Val Brutto...pyroaurite and aragonite, localy with dypingite, magnesite and serpentine minerals as well (ANTHONY et al...serpentinite (JAMBOR 1969). Hydromagnesite may also occur as an alteration product of brucite (SATO et al. 2001,...Ivančice within the Brno district (Fig. 1). Findings of magnesite and sepiolite and their historical mining |
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| COUNTRIES. • • • r 'I WAR PERIOD . • i MAGNESITE. · • (1913-1919.) • • • • • LONDON: ' PRINTED...Foreign Countries. In the first year of publi~a.tior1 •an effort has been made fill in as far as possible the...Australia ••• ••• ••• ••• FOREIGN COUN1,RIES Austria and Hungary ' .. .. • •• • •• 22 ••• .'...2 • • • .. 4 • GENERAL. . ' The name magnesite, as used in English-speaking countries, refe~s...latter in containi11g magnesia instead of lime. Magnesite may be spathic and comparatively coarse in its |
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| 1016/j.oregeorev.2019.103304 This is a PDF file of an article that has undergone enhancements after acceptance...grade and several phyllosilicates can be used as an ore guide to non-clay mineral deposits. Time, climate...the geological age of formation is synonymous with an increase of the P-T regime where important boundaries...Central Europe. They indicate an ensialic geodynamic regime in Mesoeurope and an ensimatic regime in Neoeurope...extensional regimes in the Alpides and indicative of an ensialic and ensimatic regime, respectively. In the |
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| FIBROUS SEPIOLITE FROM YAVAPAI COUNTY, ARIZONA Ar-nBnrJ. Knuuue.N, Jn.,* ColumbiaUniaersit"t.Neut Yorh...silicate from Yavapai county, Arizona, as fibrous sepiolite. The study of this specimen is of interest because...information it yields concerning the nature of sepiolite. The literature may profit from more coordinated...The term'parasepiolite'is justified rather than sepiolite when referring to the fibrous, highly crystalline...this material. A rather complete bibliography of sepiolite is included, in addition to the references cited |
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| Rundschau 79/2 I 291-2991 Stuttgart 1990 Genesis of magnesite deposits - models and trends By W. POHL, Braunschweig*)...Plattformsedimenten. Besonders auff~illigsind cha- ,,spar,, magnesite hosted by marine platform sediments. Conrakteristische...Lagerst~/ttenund ihrer Nehengesteine, welche insgesamt magnesite bearing suites, which indicate formation within...magnesites as a rock are mainly characterized by der Diagenese erfahren fiihrt dazu, daft heute auch die...st~itten eine im wesentlichen syngenetische Entswhung der stresses their kinship with shallow water marine |
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| information: http://www.tandfonline.com/loi/tigr20 Magnesite deposits of Serbia and their origin V. P. Pefrov...2010. To cite this article: V. P. Pefrov (1980) Magnesite deposits of Serbia and their origin, International...http://www.tandfonline.com/page/termsand-conditions Magnesite deposits of Serbia and their origin V.P. Pefrov...development of ultrabasites. They extend Serbian magnesite deposits have been worked southward in a band...Mountains. nesite production on the world market. The magnesite deposits of this country are clearly divided into |
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| mineral assemblage consists of smectite, illite and sepiolite that are enriched in different percentage in different...dolomite beds, which are conformably underlain by sepiolite-bearing clayey carbonates and disconformably overlain...Lacustrine, Evaporitic Cycles, Miocene, Sepiolite. Introduction Sabkha is an Arabic word for a flat, salt-encrusted...gypsarenite unit. Gypsum is the usual surface expression of an underlying playa gypsarenite unit in Late Quaternary...world’s second largest bedded and nodule type sepiolite deposits and located in the 100 km southeast of |
 | Sideridis, Alkiviadis, Koutsovitis, Petros, Tsikouras, Basilios, Karkalis, Christos, Hauzenberger, Christoph, Zaccarini, Federica, Tsitsanis, Pavlos, Lazaratou, Christina, Skliros, Vasilios, Panagiotaras, Dionisios, Papoulis, Dimitrios, Hatzipanagiotou, Konstantin (2022) Pervasive Listwaenitization: The Role of Subducted Sediments within Mantle Wedge, W. Chalkidiki Ophiolites, N. Greece. Minerals, 12 (8) 1000 doi:10.3390/min12081000 | Journal (article/letter/editorial) |
| University of Graz, Universitätsplatz 2, 8010 Graz, Austria Independent Researcher, Makedonias 21, 63200 Nea...Chalkidiki ophiolites, generating the second largest magnesite deposit in Greece. Although research studies have...platinum-group elements; Perple_X pseudosections; magnesite; Gerakini-Ormylia; Vavdos Publisher’s Note: MDPI...Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and...after the interaction of meteoric-related fluids with an Minerals 2022, 12, 1000. https://doi.org/10.3390/min12081000 |
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| minerals Review An Overview of Authigenic Magnesian Clays Manuel Pozo 1, * 1 2 * and José Pedro Calvo...talc-kerolite and Mg-smectites, as well as fibrous clays (sepiolite, palygorskite). Authigenic Mg-clay minerals occur...and formation of sepiolite from other Mg-clay minerals (pathway 3). Keywords: sepiolite; palygorskite;...minerals formed significantly afterafter deposition. An that the thelatter latterterm termdescribes describesclay...outstanding point in the distinction is that diagenetic An outstanding point in the distinction is that diageneticminerals |
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| No. 4:347–360, 2020 TRANSFORMATION OF MAGNESITE TO SEPIOLITE AND STEVENSITE: CHARACTERISTICS AND GENESIS...Istanbul, Turkey Abstract—Çayırbağı magnesite is one of numerous magnesite deposits occurring throughout Turkey...Turkey. In this deposit, sepiolite and newly found stevensite occur locally as two daughter minerals...minerals formed from magnesite. The sepiolite and stevensite show distinctive compositions and modes of formation...The XRD analyses showed that the d110 of the sepiolite was at 12.64 Å and at 13 Å after air-drying and |
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| obtained, more Note. - Galena offer large the an "iron cap” small often crystals it was Diorite...sharp, transparent stock, including with notches an side. the get a (see figure,) both have which...to the third twinning plane. horizontally with an and in occasional law, In all some a received...with “feathers” white cleavage planes. Recently an extraordinarily large quartz twin was received from...distinctly ately with the reproduction exact an but simple crystals CHIASTOLITE FROM Chiastolite |
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| minerals. Infrared luminescence can be viewed through an infrared image tube of the type used in the "snooperscope...the U. S. National Museum has been examined with an image tube and optical system of a snooperscope to...mineral specimens are illuminated by an ultraviolet lamp in an otherwise dark room, they glow with colors...000 angstroms. Bailly and Holke (1944) following an idea of Malmquist (1945) used infrared radiation... and adapted the infrared image tube to serve as an ocular for the petrographic microscope in the manner |
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| 2005 Genesis of hydrothermal stockwork-type magnesite deposits associated with ophiolite complexes in...observations and C and O isotopic compositions of two magnesite deposits within the Lower Cretaceous Dağküplü...deposits are large microcrystalline stockwork-type magnesite systems within the upper part of highly fractured...containing fresh dunite, harzburgite and serpentinite. Magnesite in ultramafic rocks occurs either as stockwork...within magnesite veins. Some serpentinite fragments and platelets are rimmed by fibrous magnesite, indicating |
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| 227–239, 2004. ULTRAMAFIC-ROCK-HOSTED VEIN SEPIOLITE OCCURRENCES IN THE ANKARA OPHIOLITIC MÉLANGE...CENTRAL ANATOLIA, TURKEY H Ü S EY I N Y AL Ç I N AN D Ö M E R B O Z K AY A Cumhuriyet University,...comprise serpentinized orthopyroxenite and serpentinite. An alteration zone with vein-type bedding comprises...with serpentine (0.5 m), (3) white dolomite with sepiolite (0.4 m), and (4) greenish-white dolomite with...calcite or dolomite + magnesite + serpentine, the third level comprises dolomite + sepiolite, and the fourth |
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| amounts of the clay minerals palygorskite and sepiolite. Marine sediments generally do not yield whiteschist...Metasomatism Hydrothermal alteration Palygorskite Sepiolite Geochemical constraints Continental collision...could be responsible for the development of such an unusual chemical composition. Experimental investigations...Equilibrium phase diagram of pelite sample 667418 from an evaporitic succession (Moine et al. 1981); H2O and...mainly due to high modal amounts of palygorskite, an Al- and Mg-rich clay mineral with the general mineral |
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| The Lizard complex peridotites are exposed over an area exceeding 30 km2 (Figure 1) and comprise variably...Al-rich enstatite, chrome-rich clinopyroxene and an The silicate minerals of ultramafic rocks are very...serpentinisation does not conserve mass (i.e. in an open system) then it must be accompanied by removal...association with vein serpentine (e.g. Trevassack quarry [SW 712 222]). Although not widely documented,...mineral assemblages dominated by talc, dolomite and sepiolite (this study). In addition to massive talc, vein |
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| Sulfur Talc 260 265 274 Vermiculite 145 Magnesite & magnesia Manganese minerals 255 Titanium &...of nonmetallic uses. The diamond is both a gem and an industrial mineral. Then there is the frontier between...differ in organization. We have con- cluded that an alphabetical arrangement of topics is preferable...other markets. as a cement raw material, or slag as an aggregate. With most products the boundaries of...major producing districts, or a representative district if there are many. We name the chief mining companies |
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| TIN DEPOSITS 12. H.K. GUPTA GEOTHERMAL RESOURCES An Energy Alternative 13. C. RM. BUTT and R E. SMITH...Institute in Leningrad Pavel Mikhailovich Tatarinov 5 An aura of adventure and romanoe has grown up about...and energy by the Australian aborigines, from whom an idea of the technological knowledge and cultural...metallurgical industries (e.g· beryl as a source of BeO, magnesite of MgO, and bauxite or Al-laterite as a source...also employed, for example, for asbestos, talc, magnesite and similar raw materials· Some raw materials |
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| accessory minerals, the most common chromite ore was an ugly black mineral containing about 55% C r 0 . This...scene now shifts to Baltimore. Between 1808 and 1810, an Englishman named Henfrey, in the employ of Jesse...out o f in England." Young T y s o n , w h o was an a p o t h e c a r y ' s apprentice, had a keen interest...considerations threaten to close it, bringing to an end over 170 years of Baltimore association with...fuchsite, margarite, rutile, magnesite Abandoned 1838 Soldiers Delight District, Baltimore County, Maryland |
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| Dr. Werner Smykatz-Kloss Mineralogisches Institut der Universitiit 7500 Karlsruhe/W. Germany Volumes 1...MULLER, 1964); that: "It is not possible to obtain an accurate quantitative determination of the amount...mineral in a sample by means of the DT A method" (V AN DER MAREL, 1956); or: "Finer distinctions and hence...above-quoted statements of G. MULLER, LIPPMANN or VAN DER MAREL. With regard to mineralogy, the best textbooks...analysis. It is the present author's opinion that, where an analytical method depends so much on the equipment |
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| crystals, and as fiber bundles (where dolomite @ magnesite is absent). The stable-isotope values and some...it is considered to have been supplied by means of an influx of waters from Mg-rich rocks (Arakel, 1986)...prepared from the dolocrete samples and examined using an optical microscope (Nikon-LV 100Pol). The mineralogical...adhering the fresh, broken surface of each sample onto an aluminum sample holder with double-sided tape and...sample in a Pt sample holder at an average rate of 10ºC/min with an alumina reference. Infrared (IR) |
 | Ulrich, Marc, Muñoz, Manuel, Guillot, Stéphane, Cathelineau, Michel, Picard, Christian, Quesnel, Benoit, Boulvais, Philippe, Couteau, Clément (2014) Dissolution–precipitation processes governing the carbonation and silicification of the serpentinite sole of the New Caledonia ophiolite. Contributions to Mineralogy and Petrology, 167 (1) doi:10.1007/s00410-013-0952-8 | Journal (article/letter/editorial) |
| carbonation processes. Extensive cryptocrystalline magnesite veins and stock-work are widespread in the serpentinite...ophiolite. Silica is systematically associated with magnesite. It is commonly admitted that Mg and Si are released...serpentine and alteration products are described using an original method for the analysis of micro-X-ray fluorescence...Strasbourg, France tation of amorphous silica and sepiolite, based on a dissolution–precipitation process...carbonation of the ophiolite. Keywords Serpentine Magnesite Carbonation Silicification New Caledonia |
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| VEIN-LIKE SEPIOLITE OCCURRENCE AS A REPLACEMENT OF MAGNESITE IN KONYA, TURKEY Key Words-Magnesite, Sepiolite...Sepiolite, Serpentinite, Thermal analysis, <;aylfba~ sepiolite was examined by XRD using oriented slides heated...vein-like occurrence of sepiolite has recently been discovered in the <;aYlfba~ magnesite deposit, 20 km southwest...Central Anatolia, Turkey (Figure 1). The <;aYlfba~ magnesite deposit is in a serpentinite which extends over...over several square kilometers. The magnesite is a microcrystalline type and occurs as veins ranging from |
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| Istanbul, Turkey Abstract-The occurrences of sepiolite beds and nodules in alkaline and saline Miocene...ancient lacustrine environments. Stockwork-type magnesite deposits, which were formed very close to the...the Miocene lake, served as parent rocks for sepiolite nodules (meerschaum). The Miocene succession consists...calcareous clay series, siliceous tuffs, sepiolite beds, sepiolite-bearing dolomite, and basal conglomerates...conglomerates of ultramafic rocks. Sepiolite beds were deposited by direct precipitation from Si-supersaturated |
