 | | 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...last years the active serpentinite quarry near Hrubšice in Moravia provide an opportunity for the study...assemblages are the occurrences in serpentinite bodies of Austria (magnesite deposit Kraubath, Styria; |  | | Journal (article/letter/editorial) | | Serpentinites. A plea to treat asbestiform antigorite as an asbestos group mineral in terms of its occupational...tunnelling works in the Traföß serpentinite near Kirchdorf/Styria, Austria (Kirchdorf tunnel, S35, southern...works, the antigoritic character of the Traföß serpentinite was shown by mineralogical analysis in the course...excavation materials as well as from an outcrop of this serpentinite body close to the southern tunnel portal...excavation materials. Gentle crushing of antigoritic serpentinite samples proved their strong tendency for forming |  | | Journal (issue) | | ....126 by P. J. Dunn McGuinnessite from a serpentinite body in Maryland ......................127 ...project they were curious as to whether there would be an American market for such a book, even though it would...museums in the U.S. She agreed that an English edition would be an exciting and valuable thing to have...would be masked out and the presses kept rolling. An English translation would be prepared at the British...Walter Goodwin Swart, oper ating out of Denver. Swart, an experienced and respected mininj engineer, spent |  | | Report (issue) | | Glenelg, Ross shire and in the Innellan and .Toward district of Argyllshire, some of which have been worked...the past. At Polyphant near Launceston, Cornwall an altered ultrabasic rock, known as 'Polyphant Stone'...cations are required between the layers to satisfy an electrical imbalance (as in the micas) and there...individual layers are held together by weak Van der Waals' forces and not by ionic bonding. This weak...talc and associated minerals. Polyphant Stone is an altered ultrabasic rock occurring at Polyphant, near |  | | Journal (article/letter/editorial) | | t e / l i t h o s Serpentinised peridotites from an ultrahigh-pressure terrane in the Pohorje Mts. (Eastern...Available online 3 June 2008 Keywords: Pohorje Serpentinite Harzburgite Mantle melting Metasomatism Continental...south-easternmost part of the Pohorje Mountains, which represent an exhumed piece of continental crust subducted during...recorded an UHP stage (4 GPa, 900 °C) not visible in the harzburgites. Because of the evidence of an earlier...extensive melt depletion, either in a continental rift or an oceanic ridge environment. It therefore probably |  | | Journal (article/letter/editorial) | | in the peridotitic member of Variscan ophiolite: an example of the Braszowice– –Brzeźnica serpentinites...Lithospheric Research, Althanstraße 14, 1090 Vienna, Austria Corresponding author The Variscan Braszowice–Brzeźnica...western part of the Massif, whereas tremolite peridotites, tremolite serpentinites and lizardite–chrysotile...probably under low-grade metamorphic conditions. The tremolite-bearing rocks record the thermal metamorphism...Braszowice–Brzeźnica Massif (BBM) is one of the serpentinite–gabbro massifs belonging to the CentralSudetic |  | | Book (edition) | | groups: The number of new mineral species may grow as an avalanche, flooding the mineral population with tens...lepidolite, wolfrarnite). In many cases, minerals have an intermediate composition between theoretical end-members...to crystallographic tenns (e .g. prismatine), to an organization (e.g .. mgriite). to a journal (minrecordite)...form. Many minerals display characteristic twinning, an intergrowth of two or more individual crystals of...Miller indices are used. For instance, the symbol for an orthorhombic dipyramid form is { 111}, for a hexagonal |  | | 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) | | ...........................................87 District of Columbia ....................................Geologic sketch map of the Inyo-Panamint talc district, California .........................32,33 6....the southern Death Valley-Kingston Range talc district, California ....................................Simplified geologic map of the Ruby Mountains talc district, Montana .......................................Simplified geologic map of the Allamoore talc district, Texas .........................62,63 11. Geologic |  | | Journal (article/letter/editorial) | | Abstract: An innovative and, as yet, untested approach is to analyze serpentinite and metabasite...the in situ rapid chemical discrimination of serpentinite and metabasite rocks. The characterization of...detect the presence of chrysotile and asbestos tremolite. The results obtained were consistent with the...sampling. Keywords: asbestos; chrysotile; asbestos tremolite; portable digital microscope; portable XRF; portable...several countries worldwide) include chrysotile, tremolite, crocidolite, anthophyllite, actinolite and amosite |  | 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 |  | Hoinkes, G., Faryad, S. W., Puhl, J., Frank, W., Melcher, F., Meisel, T. (2002) Relics of eclogite facies metamorphism in the Austroalpine basement, Hochgr�ssen (Speik complex), Austria. Mineralogy and Petrology, 74 (1) 49-73 doi:10.1007/s710-002-8215-9 | Journal (article/letter/editorial) | | Austroalpine basement, HochgroÈssen (Speik complex), Austria S. W. Faryad1 , F. Melcher2;, G. Hoinkes3 , J...Leoben, Austria 3 Institute of Crystallography, Mineralogy and Petrology, University of Graz, Austria 4 General...University of Leoben, Austria 5 Institute of Geology, University of Vienna, Austria 2 With 9 Figures Received...and texturally coexists with omphacite and garnet. An average temperature of 700 C was obtained for eclogite...HochgroÈssen. In addition, whole-rock chemical data and an 40 Ar/39 Ar age of amphibole are presented to discuss |  | | Report (volume) | | Alaska) and Canada. Its preparation was prompted by an increasing need for asbestos and the consumption...and crocidolite, amosite, anthophyllite, and tremolite of the amphibole group. Picrolite, a columnar...mass fiber. Tremolite is ordinarily slip fiber. Chrysotile, anthophyllite, and tremolite are the only...rock is reported in Georgia, Idaho, and Montana. Tremolite associated with serpentinized peridotite occurs... Texas, Virginia, and Washington. In Alaska, tremolite, chrysotile, and paligorskite occur in ultramafic |  | | Journal (article/letter/editorial) | | Leoben 8700, Austria c Institute of Geological Sciences, University of Leoben, Leoben 8700, Austria d Institute...University of Vienna, Geozentrum, Vienna 1090, Austria Received 20 December 1999; received in revised...than 10% partial melting, are either attributable to an early (Permian) rifting episode during break-up of...geotectonic interpretation of ultramafic rocks is, however, an often difficult task as the rocks have been metamorphosed...ophiolites. Mesozoic ophiolites (pillow lava, gabbro, serpentinite) mainly formed in the Penninic and Ligurian |  | 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...sometimes noted. The nephrite is mostly comprised of tremolite. Chromite decreases the quality of the ornamental...Bazhenovskoye deposit meets the requirements for an ornamental stone. The origin of this nephrite includes...Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and...endogenous geological–industrial types: serpentinite type (after serpentinite metasomatites at ophiolites) and |  | | Journal (article/letter/editorial) | | Rno Petrology © Springer-Verlag1997 Printed in Austria A secondary clinopyroxene-chlorite-spinel assemblage...clinopyroxenite of the Mann Complex, Abitibi Belt, Ontario: an unusual hydrothermal alteration suite D. J. Good...von Timmins, Ontario, vor. Vor der Alteration, die in der Bildung der Chloritnester resultierte, handelte...Die Verteilung der Haupt- und lithophilen Spurenelemente und die Zusammensetzung der magmatischen Klinopyroxene...dfinne G~ingchen miteinander in Verbindung. Auf Grund der Texturen und des Mineralchemismus sind mehrere Chloritgenerationen |  | | Journal (article/letter/editorial) | | to 2 m thick, lie in fresh dunite and brown serpentinite. Most magnesite veins in dunite are unbranched...of chloriteand occasionallytracesof talc and tremolite lies betxveenthe magnesiteveins and the dunite...three The collectedsampleswere analyzedby use of an by opticalmicroscopic major cryptocrystalline ma...ophiolitecomplexes of Greece;the othertwo are examination,and by an electronmicroprobesimulthe depositsof Gerakini,locateda...fracturesalsogovernedthe chemicalcomanalysisof by MagnominA.G., an associate of theAustrianfirm positionof the ore. |  | | Report (issue) | | igneous rocks, of their alteration products-serpentinite, chrysotile asbestos, steatite, talc-carbonate...and associated rocks-Continued Igneous rocks, serpentinite, and veins-Continued Mineralogy and paragenesis-Continued...the serpentine group _______ _ Igneous rocks, serpentinite, and veins _____ _ Dunite and peridotite --...----------------Chromitite __________________________ _ Serpentinite _________________________ _ Serpentine veins...rock association _______ ---------------- __ The tremolite rock and chlorite rock association _______ -- |  | | Book | | gemologists, collectors, travelers, and anyone with an interest in the world's gemstones. Nearly all known...Garnets of East Africa 73 Rh.odolite of the Lindi District, Tanzania 76 Tsavorite Garnets 76 The Pyrope-...Tanzania 96 Red Dravite Tourmaline from the Narok District, Kenya 99 Uvite-Dravite Chrome Tourmaline 99 ...Province, Tanzania. 34 Figure 3. 7. Geologic map of serpentinite body southwest of the Gerevi Hills, near Umba...phlogopite mica found in a ruby from Mangari, Taita District, Kenya. 47 Figure 4.1. Typical Manyara (Maji Mota) |  | 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) | | Spectroscopy to Map Ultramafic Rocks, Serpentinites, and Tremolite-Actinolite-Bearing Rocks in California By Gregg....................... 4B: Details of Bear Creek Quarry area ............................................Spectroscopy to Map Ultramafic Rocks, Serpentinites, and Tremolite-Actinolite-Bearing Rocks in California By Gregg...Plumas Counties that contain serpentinite and ultramafic rocks as part of an experiment to determine if...successfully to delineate exposures of serpentine and tremolite-actinolite/talc in areas with up to 70 percent |  | | Journal (article/letter/editorial) | | Egypt, is found to be of common occurrence. Talc, tremolite, carbonates, chlorite, olivine, biotite, chromite...lizardite as the main constituent of many of the serpentinite samples studied. Lizardite generally forms large...serpentinites. These include talc, carbonates, tremolite, olivine, biotite, chlorite, chromite, and magnetite...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) |  | 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) | | 1016/j.oregeorev.2020.103335 This is a PDF file of an article that has undergone enhancements after acceptance...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 |  | | Report (edition) | | microscope by D.M. Lapham of a thin slice of serpentinite from Lancaster County showing olivine (blue-green...the hobby of mineral collecting has been growing at an accelerated pace. To keep up with the demand for...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 |  | | Journal (article/letter/editorial) | | Qtz is stable. Analyses of phase relations indicate an introduction of CO2-rich fluid into the greenschist...formed by devolatilization reactions between serpentinite and graphite - bearing metasediments. The fluid...local Xco 2 gradient between beds or zones within an outcrop or even in a hand specimen has been investigated...developing between incompatible rocks in particular, an Xco 2 gradient on a scale of centimeters or millimeters...describes another type of local Xco 2 gradient within an outcrop, which involves neither a bed to bed difference |  | | Journal (issue) | | limestone of which the uppermost 40 ft. are exposed, an argillaceous bed of perhaps the same thickness and...amphibolite facies) conditions. Shortly afterwards an ultrabasic mass intruded the metasediments, truncating...minerals. The next account of the geology of the district which has been discovered is con" Chapters on...and analyses are furnished of andesine, (1878). tremolite, and edenite in limestone and of other minerals...Polmally is on the north-east wrapped round with an unusually plicated bed of granular limestone, so |
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