 | | 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 (issue) | | Umwandlungsorgänge nicht mit Sicherheit zu beschreiben. Serpentinite und die sie begleitenden Ta „ chiefer gehören...Wasser wieder abgegeben wird. So entstandene Magnesite werden in anderen Ländern abgebaut (Österreich...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 |  | | 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...to produce antigorite, magnesian ilmenite and magnesite. Titanian hydroxyl-chondrodite was detected in...1938; Bearth 1967 ; M6ckel 1969). The large serpentinite mass of Val Malenco (Fig. 1) in particular has |  | | Journal (article/letter/editorial) | | Petrographie, ETH, Sonneggstrage5, CH-8006Zt~rich,Switzerland Bernard W. Evans Department of GeologicalSciences...tremolite, forsterite, talc, calcite, dolomite and magnesite in progressively metamorphosed ophicarbonate rocks...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...component. With the exception of serpentine and magnesite, the list of minerals that comprise ophicarbonate |  | | 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 |  | Oskierski, Hans C., Bailey, Judy G., Kennedy, Eric M., Jacobsen, Geraldine, Ashley, Paul M., Dlugogorski, Bogdan Z. (2013) Formation of weathering-derived magnesite deposits in the New England Orogen, New South Wales, Australia: Implications from mineralogy, geochemistry and genesis of the Attunga magnesite deposit. Mineralium Deposita, 48 (4) 525-541 doi:10.1007/s00126-012-0440-5 | Journal (article/letter/editorial) | | -5 ARTICLE Formation of weathering-derived magnesite deposits in the New England Orogen, New South...mineralogy, geochemistry and genesis of the Attunga magnesite deposit Hans C. Oskierski & Judy G. Bailey & Eric...Nodular, cryptocrystalline, weathering-derived magnesite deposits in the New England Orogen, Australia... provide a significant source of high-purity magnesite. Common textural features and related isotopic...genetic relationship between weatheringderived magnesite deposits hosted by ultramafic rocks at Attunga |  | | Journal (article/letter/editorial) | | atmospheric CO2 in a weathering-derived, serpentinite-hosted magnesite deposit: 14C tracing of carbon sources...available online 30 August 2013 Abstract The Attunga magnesite deposit is texturally and geochemically distinct...spatially associated, serpentinite-hosted magnesite deposits in the Great Serpentinite Belt, New South Wales...Piedmont magnesite deposit or widespread silica–carbonate alteration zones. Cryptocrystalline magnesite at...of the host rock. Incipient weathering of the serpentinite host rock is accompanied by a decrease in volume |  | | Journal (article/letter/editorial) | | 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 |  | | Report (volume) | | Geology of Magnesite Deposits in Northern Okanogan County Washington A Preliminary Report GEOLOGICAL...Division of Mines and Geology 1272-B Geology of Magnesite Deposits in Northern Okanogan County Washington...Washington Division of Mines and Geology A study of magnesite-bearing rock that crops out as irregularly shaped... In pocket TABLES Page TABLE 1. Summary of magnesite occurrences_________________._______ 2. Chemical... CONTRIBUTIONS TO ECONOMIC GEOLOGY GEOLOGY OF MAGNESITE DEPOSITS IN NORTHERN OKANOGAN COUNTY, WASHINGTON |  | | Journal (article/letter/editorial) | | steps. The first step is the acid attack of a serpentinite at 70 °C, by means of HCl 2 M, to get MgCl2-rich...precipitation of artinite, hydromagnesite, lansfordite, magnesite and nesquehonite was thermodynamically impossible...multi-step procedure is 0.34 ton for 1 ton of serpentinite utilized. However, despite that the use of Mg-rich...utilizing ground (and sometimes pre-heated) serpentinite samples. They have shown that partial carbonation...and at a temperature of 70 °C using un-treated serpentinite is very efficient since MgO can be almost completely |  | | Report (issue) | | associated minerals, the most common of which are magnesite and chlorite. Talc deposits occur in a metamorphic...significance in the United Kingdom is situated. A talc-magnesite deposit occurs at Curiningsburgh on the Mainland...per cent talc, the main accessory mineral being magnesite. The whole of the production is sold to Yate Mills...Norwegian Talc (UK) Limited. Unst talc (Queyhouse quarry); English China Clays Limited. Theoretical composition...chlorites, tremolite - actinolite·, anthophyllite, magnesite, dolomite, calcite and quartz. Such remnant magnesium |  | | Journal (article/letter/editorial) | | hydrated Mg-carbonate-hydroxide assemblage of serpentinite fissures in Hrubšice, western Moravia (Czech...de mineralization was found in the Hrubšice serpentinite body, Moravian Moldanubicum. It is formed by...coalingite, fissure minerals, Raman spectrum, serpentinite, Moldanubicum, Bohemian Massif 1. Introduction...Introduction In the last years the active serpentinite quarry near Hrubšice in Moravia provide an opportunity...assemblages are the occurrences in serpentinite bodies of Austria (magnesite deposit Kraubath, Styria; POSTL |  | | Journal (article/letter/editorial) | | 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 |  | Oskierski, Hans C., Beinlich, Andreas, Mavromatis, Vasileios, Altarawneh, Mohammednoor, Dlugogorski, Bogdan Z. (2019) Mg isotope fractionation during continental weathering and low temperature carbonation of ultramafic rocks. Geochimica et Cosmochimica Acta, 262. 60-77 doi:10.1016/j.gca.2019.07.019 | Journal (article/letter/editorial) | | weathering and associated magnesite formation, including the lowest δ26Mg of magnesite reported so far. At...the ultramafic Mg source rocks and associated magnesite deposits provides boundary conditions that constrain...Attunga, New South Wales, show that weathering of serpentinite is accompanied by Mg loss and formation of secondary...the ultramafic precursor. In contrast, nodular magnesite hosted in ultramafic rock shows δ26Mg values between...‰ that are significantly lower than those of magnesite and dolomite that formed by hydrothermal alteration |  | | 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 |  | | Journal (article/letter/editorial) | | talc-carbonates consist mainly of talc and magnesite, or magnesite, dolomite, and talc together with minor...lizardite as the main constituent of many of the serpentinite samples studied. Lizardite generally forms large...show flamboyant extinction. S-69, Black Marble quarry. Crossed polars, • ~4o. b, top right, bundles of...n o c h r y s o t i l e m i x t u r e s ; a serpentinite s p e c i m e n f r o m W a d i Badia (S-Io8)... the direct alteration o f original olivine. Magnesite and dolomite are the most a b u n d a n t carbonates |  | | Book (edition) | | 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...to Hot Springco., Arkansas, in the Point of Rock quarry, pearly. Clea,·age {001} perfect. {100} and {010}...mineral of alkaline rocks in the Point of Rocks quarry, Colfax co., New Mexico, with aegirine and arfvedsonite...SwitzerlandItaly, overlooking Binntal, Valais canton, Switzerland, also crystals in Obersulzbachtal Valley |  | | Journal (article/letter/editorial) | | Springer-Verlag1992 Origin of ultramafie-hosted magnesite on Margarita Island, Venezuela N.S. Abu-Jaber...1991 Abstract. Ultramafic-hosted deposits of magnesite (MgCO3) have been studied on Margarita Island...Petrographic, mineralogic, and 6~sO data indicate that magnesite precipitated on Margarita in near-surface environments...~13C ranges from - 9 to -16%o PDB within the magnesite and -8 to -10%o PDB within some calcite and dolomite...occurs as stockwork veins which resemble the magnesite deposits. These carbon isotopic ratios are consistent |  | | 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 |  | Gilio, Mattia, Scambelluri, Marco, Agostini, Samuele, Godard, Marguerite, Pettke, Thomas, Agard, Philippe, Locatelli, Michele, Angiboust, Samuel (2020) Fingerprinting and relocating tectonic slices along the plate interface: Evidence from the Lago Superiore unit at Monviso (Western Alps) Lithos, 352. 105308 doi:10.1016/j.lithos.2019.105308 | Journal (article/letter/editorial) | | of Geological Sciences, University of Bern, Switzerland 6 Institut des Sciences de la Terre de Paris...Paris, France rn Keywords Jo u Subduction; serpentinite; oceanic crust; high-pressure metamorphism;...Lower Shear Zone (LSZ), mostly consisting of serpentinite. The lowermost, serpentine-rich, section of...of the Lago Superiore Unit, the Basal Serpentinite, separates the HP ophiolite domain from the underlying...Pre-proof Here we show that the LSZ and the Basal Serpentinite were active at different stages of the subduction |  | | Report (edition) | | microscope by D.M. Lapham of a thin slice of serpentinite from Lancaster County showing olivine (blue-green...County, the Stillwell quarry in Lancaster County, and the Medusa Cement Company quarry in York County, are...Zircon Crystal 50 Diagramatic Sketch of Brinton Quarry Pegmatite 53 Geologic Cross-Section of West ...84 of Deweylite after Dolomite, Ceclar Hill Quarry 89 _ Limonite Pseudomorphs from Chestnut Hill...permission from the owners of the land, or from the quarry and mine operators, before entering to collect |  | | Journal (article/letter/editorial) | | Mineralogist Vol. 43, pp. 225-239 (2005) CARBONATED SERPENTINITE (LISTWANITE) AT ATLIN, BRITISH COLUMBIA: A GEOLOGICAL...Canada ABSTRACT Listwanite, a carbonate-altered serpentinite commonly associated with gold and mercury mineralization...CO2 to form serpentine + magnesite, then magnesite + talc, and finally magnesite + quartz. These mineralogical...about 5–15% of the carbonation potential of serpentinite, it is very widespread, and therefore may have...Moreover, within intact bedrock, the progress of the magnesite + talc reaction generates fracture permeability |  | | Journal (issue) | | peninsula in Cornwall. This is the material called serpentinite by the geologist, b u t there are m a n y other...d antigorite, a n d he suggested the n a m e serpentinite for the rock-like forms of serpentine, antigorite...serpentine fibres with occasional patches of magnesite, flakes of talc and grains of chromite. T h e...now be, according to Sinkankas, the Dexter lime quarry of Lincoln Township. A later investigation on this...and Maryland in the United States of America. Serpentinite, the rock-like type of serpentine, is found |  | | Journal (article/letter/editorial) | | EconomicGeology Vol. 84, 1989, pp. 1444-1451 GOLD IN SWITZERLAND FELICEC. JAFFfZ Departmentof Mineralogy,Universityof...Geneva,13, rue desMaraœchers, 1211 Geneva4, Switzerland Introduction The main purpose of this communicationis...detailnumerous similar occurrences in eastern Switzerland and has discussed in detail their originand...beginningof the 19th Numeroussmallore depositsoccurin Switzerland, many of which have been mined on a smallscalein...talc-serpentine-bearingrocks, occur as small and S Serpentinite heavilyshearedlenses.They are generallyassociated |  | | Report (edition) | | Crystal . . . . . . .. Diagra1natic Sketch of Brinton Quarry Pegmatite Graphic Granite Geologic Cross-Section...Pseudomorphs of Deweylite after Aragonite. Cedar Hill Quarry . . . . . . . Calcite Crystal Forms "Picrolite"...permission from the owners of the land, or from the quarry and mine operators, before entering to collect...have been taken from topographic quadrangles. A quarry or mine symbol designates the exact mineral location........,, ....... ...... " Open pit, mine, or quarry. Shaft-Tunnel entrance ----------~ ..... ' l' |
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