 | | Journal (article/letter/editorial) | | 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...gabbros and serpentinites is exposed in an abandoned quarry on Bukowczyk Hill, where gabbros dip beneath serpentinites |  | | 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 |  | | Journal (article/letter/editorial) | | and, as yet, untested approach is to analyze serpentinite and metabasite rocks containing asbestos using...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 |  | | Report (issue) | | Glenelg, Ross shire and in the Innellan and .Toward district of Argyllshire, some of which have been worked...Norwegian Talc (UK) Limited. Unst talc (Queyhouse quarry); English China Clays Limited. Theoretical composition...minerals including the serpentints, chlorites, tremolite - actinolite·, anthophyllite, magnesite, dolomite...Weight per cent Talc Chlorite Mlgnesite Dolomite Tremolite Serpentine Quartz Opaques Percentage reflectance...Norwegian talc - industrial grade. Unst talc (Queyhouse quarry) - industrial grade. Source: Institute of Geological |  | | 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 |  | 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...endogenous geological–industrial types: serpentinite type (after serpentinite metasomatites at ophiolites) and...and dolomite type (after dolomite tremolite–calcite magnesian skarns). Deposits of the first type are a...Khamar–Khudinskoye, and Ulan– Khodinskoye deposits of serpentinite type nephrite and Kavoktinskoye, Golyubinskoye |  | 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 |  | | 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 _______ -- |  | 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...in El Dorado and Plumas Counties that contain serpentinite and ultramafic rocks as part of an experiment...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) |  | | 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 |  | | 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' |  | | Report (volume) | | rock__________________--__-___-_--_ Silver Lake-Yucca Grove district..______________________ Southern Death Valley-Kingston...district_________ Inyo Range-Northern Panamint Range district._____-___Deposits associated with ultramafic rocks..._____________________________________________________ Chatsworth district, Murray County_____.______._-___-_--Other deposits...____--_-_-__---___-.____..-.._-_-_-_-----_-_-_--.-Gouverneur district..________________________.-___-_------Natural...Carolina______________________________________________ Murphy district.-__--___-__--_--_--___-___________________ deposits |  | | Report (issue) | | Triassic deposits 31 Mineral localities 38 District of Columbia Mavtrl a Tirl IWlCfci JT XClilUl...(Sterrett, 1911). Figure 9. Distribution of serpentinite and locations of mines in the Soldiers Delight...« Serpentine variety picrolite from the Delight quarry, Delight, Maryland. Specimen is about 12 cm by...Maryland. Figure 17. Location of the Marriottsville quarry, Hernwood, Maryland. Figure 18. Marble (white)...Marriottsville quarry, Hernwood, Maryland. lii Figure 19. Location of the Greenspring quarry, Towson, Maryland |  | | Report (volume) | | 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...AN'D CANADA 819 the Cochrane district .ot Ontario, and the Cassiar district of northwestern British Columbia |  | | Journal (article/letter/editorial) | | University on 06/09/12. For personal use only. SERPENTINITE Bernard W. Evans Department of Geological Sciences...within the Di-E-F triangle. Di, diopside; Tr, tremolite; Tc, talc; L, lizardite; C, chrysotile; Br, brucite;...zeolite pumpellyite } lizardite/chrysotile serpentinite blueschist "low" greenschist "low" eclogite...eclogite } } brucite-antigorite serpentinite diopside-antigorite peridotite "high" greenschist amphibolite...amphibolite hornblende hornfels } tremolite peridotite J pyroxene hornfels K Seiland subfacies OPx + plag |  | | 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...ophiolites. Mesozoic ophiolites (pillow lava, gabbro, serpentinite) mainly formed in the Penninic and Ligurian...Penninic windows, Austria (e.g., Koller and Höck, 1990), and the Reckner serpentinite in the Lower Austroalpine...lower crust in Fig. 1. Geological sketch map of Austria showing sampled locations of ultramafic rocks. |  | | Journal (article/letter/editorial) | | altered and consisting of serpentinized dunite, serpentinite, talc schist, talc-tre85045 ' 85050 ' --~-...and number of no prefix samples Silicified serpentinite, talc-schist, chlorite schist Chromitite 0uartzite;...Geologic sketch map of the Sikunda area, Cuttaek district, Orissa, India, showing the locations of samples...gabbro unit is marginally altered to a talc--tremolite schist and has n o t been lateritized. The chromitite...haphazardly (Banerjee, 1972) within an enclave of serpentinite and talc schist that is engulfed in granite |  | 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...a) preferential incorporation of heavy iron by tremolite and diopside; b) preferential incorporation of |  | | Journal (article/letter/editorial) | | P.J. Ealey and H.C.L. James COUNTYBRIDGE QUARRY, THE LIZARD PENINSULA, CORNWALL – HISTORICAL AND GEOLOGICAL...ABANDONED QUARRY P.J. EALEY1 AND H.C.L. JAMES2 Ealey, P.J. and James, H.C.L. 2008. Countybridge Quarry, The...of an abandoned quarry. Geoscience in South-West England, 11, 22-26. Countybridge Quarry, a Cornwall County...County Geology site (RIGS), is an abandoned serpentinite quarry that started in the 19th Century as one of...adjacent Trevassack Quarry, it was the principal and effectively the last source of serpentinite building material |  | | Journal (article/letter/editorial) | | containing magnesium hydrosilicates, such as talc or serpentinite. Mixing of talc with a solution of sodium polyphosphate...obtain high-strength materials [31]. Adding the serpentinite to the composition of magnesia cement increases...the gel-phase C–S–H [22]. The applied limestone quarry dust acts as filler, reacting with the products...cement hydration to form calcium bicarbonate. Basalt quarry dust is not only filler, but also a pozzolanic...environment. Nephrite is a rock, the bulk of which is tremolite with an isomorphic admixture of iron. Its peculiarity |  | | 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...associated mafic rocksand Rock Units in the Vavdos District slicesof Paleozoicgneisses within the Vardar zone...oceanbasinduring Late Cretaceoustime. brown serpentinite (Fig. 3). Lesser lithological The easternpart...-. , .•..•-' 'v.-.-; •, ,,','•'•", brown serpentinite. The {oilowing petrographic description of duniteis |  | | Journal (issue) | | 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...minerals found in the : : limestone as foUows - tremolite - andesine : common urquhartite edenite ...lamellae Towards the western end of the largest quarry are striped beds which plunge beneath the purer...metamorphic differentiation. In the northernmost quarry of this group relatively pure marbles carry thin |  | | Journal (issue) | | ULTRAMAFIC ROCKS SOUTHOF SERMILIK, FREDERIKSHÅB DISTRICT, SOUTH-WEST GREENLAND BY ZDENEK WITH 36 FIGURES...ULTRAMAFIC ROCKS SOUTHOF SERMILIK, FREDERIKSHÅB DISTRICT, SOUTH-WEST GREENLAND BY ZDENEK WITH 36 FIGURES...amphibolized primary ultramafics such as foliated tremolite/actinolite-bearing rocks, which formed at the...Serpentinites were collected from a few localities. The serpentinite (GGU No. 72850) contains serpentine minerals...of varying grade of amphibolization alternate. Tremolite crystals in the coarse-grained portion of the |  | | Journal (article/letter/editorial) | | formed by devolatilization reactions between serpentinite and graphite - bearing metasediments. The fluid...this outcrop, a greenschist body, surrounded by serpentinite, has been successively replaced by carbonate...fluid was produced by oxidation reaction between serpentinite and pelitic schists. Geological settings The...small amounts of metabasites and metabasite-serpentinite complexes, 36 '~ u;inJu~r~~2 ' ~ | b2s...Pelitic schist Metamorphics Metabasites []~] Serpentinite Fig 2 o ! .:I ~ ~ ' I I I I I I |
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