 | | Journal (article/letter/editorial) | | result in C2/m cummingtonite (+ + + +), Pnma anthophyllite (+ + – –), and Pnmn protoanthophyllite (+ –...parameters, respectively. Whereas cummingtonite and anthophyllite are widespread rock-forming minerals, the Pnmn...et al. 1995). In contrast to other ophiolitic outcrops, Elba serpentinites escaped prograde regional...serpentinites. The thermal aureole hosts four main serpentinite outcrops (Fig. 1). According to previous petrographic...are: (1) serpentine + anthophyllite + chlorite + talc; (2) serpentine + anthophyllite + tremolite + diopside |  | Belluso, E., Fornero, E., Cairo, S., Albertazzi, G., Rinaudo, C. (2007) THE APPLICATION OF MICRO-RAMAN SPECTROSCOPY TO DISTINGUISH CARLOSTURANITE FROM SERPENTINE-GROUP MINERALS. The Canadian Mineralogist, 45 (6) 1495-1500 doi:10.3749/canmin.45.6.1495 | Journal (article/letter/editorial) | | the mineral phases regulated as “asbestos” [anthophyllite, “amosite” (fibrous grunerite), actinolite,...and come from serpentinite outcrops in the Val Varaita region, in the Piedmont Region of northern Italy...optimize the signal-to-noise ratio. Only the spectral region from 1100 to 300 cm–1 was considered, because that...wavelengths greater than 1100 cm–1; therefore, only the region of the spectrum ranging from 1100 and 300 cm–1...at 675 ± 1 cm–1 in asbestiform tremolite and anthophyllite (Rinaudo et al. 2004a) and at 704 ± 3 cm–1 in |  | Boskabadi, Arman, Pitcairn, Iain K., Broman, Curt, Boyce, Adrian, Teagle, Damon A. H., Cooper, Matthew J., Azer, Mokhles K., Stern, Robert J., Mohamed, Fathy H., Majka, Jaroslaw (2017) Carbonate alteration of ophiolitic rocks in the Arabian–Nubian Shield of Egypt: sources and compositions of the carbonating fluid and implications for the formation of Au deposits. International Geology Review, 59 (4) 391-419 doi:10.1080/00206814.2016.1227281 | Journal (article/letter/editorial) | | Francis Group KEYWORDS Arabian–Nubian Shield; serpentinite; listvenite; carbonation; gold; fluid-mobile...roadside exposures of serpentinite SW of the Meatiq Dome (Figure 2). The serpentinite outcrops are brownish grey...dome shows a complex exposure of greenish grey serpentinite and shear zone hosted talc-rich rocks (Figures...contacts between the talc-rich rocks and the serpentinite range from gradational to sharp (Figure 3(d))...serpentinites, nine hand specimen samples of serpentinite were divided into two groups, and were powdered |  | | Report (issue) | | ........................................ 17 Serpentinite ........................................................................ 17 WEATHERING OF SERPENTINITE AND TALC .....................................and enstatite versus height above base of the serpentinite .................................... 14 Multilithic............. 23 Photomicrograph of silicified serpentinite ................................................... 24 SiO2 and MgO, Fe2o3 and FeO versus serpentinite alteration ................................ |  | | Report (issue) | | Glenelg, Ross shire and in the Innellan and .Toward district of Argyllshire, some of which have been worked...serpentints, chlorites, tremolite - actinolite·, anthophyllite, magnesite, dolomite, calcite and quartz. Such...tremolite [C� (Mg,Fe)5 Si8 �2(OH)2 ] but also anthophyllite [ (Mg,Fe)7 Si8022 (OH)2 ] . Tremolite imparts...United Kingdom is almost entirely confined to serpentinite bodies which have undergone hydrothermal alteration...Unst and the Main land of Shetland. The Unst serpentinite stretches across the eastern part of the island |  | | Report (edition) | | Peninsula II Mount’s Bay 15 III St. Agnes District 24 IV Falmouth Bay 29 V_ The Lizard Peninsula...intrusion of Tregonning-Godolphin. Granite also outcrops at Cligga Head, St. Agnes Beacon and St. Michael’s...China clay has been extensively exploited in this region in the past, but china clay is nowadays only exploited...and Symes (1987). The youngest deposits of the region are the small patches of Tertiary and Quaternary...Kenidjack Castle, are the unusual cordierite- anthophyllite-cummingtonite hornfelses described by Tilley |  | Gualtieri, A. F., Pollastri, S., Gandolfi, N. B., Ronchetti, F., Albonico, C., Cavallo, A., Zanetti, G., Marini, P., Sala, O. (2014) Determination of the concentration of asbestos minerals in highly contaminated mine tailings: An example from abandoned mine waste of Cretaz and Emarese (Valle d'Aosta, Italy) American Mineralogist, 99 (7) 1233-1247 doi:10.2138/am.2014.4708 | Journal (article/letter/editorial) | | investigated sites are located in the Valle d’Aosta region (Italy): Crètaz, the most important Italian magnetite...(fibrous variety of grunerite, brown asbestos), anthophyllite, crocidolite (fibrous variety of riebeckite...amosite A = ; B = C = Fe2+; T = Si; W = (OH); anthophyllite A = ; B = C = Mg; T = Si; W = (OH); crocidolite...evaluation of the hazard associated with serpentinite outcrops (and asbestos containing mine tailings)...difficult by two major factors: (1) asbestos bearing serpentinite textures typically consist of fine-to-ultrafine |  | | Journal (article/letter/editorial) | | the Brooklyn Academy field-collecting trip to anthophyllite boulders in glacial drift in Brooklyn, with...quartz, and rutile, among others. Serpentinite Serpentinite outcrops in bands and pods along the length...The U.S. asbestos industry began when fibrous anthophyllite was mined for use as asbestos insulation by...that the asbestos content was locally mined anthophyllite. Clay pits in southwestern Staten Island were...Ancylite-(Ce) Andradite Anhydrite Ankerite Annite Anthophyllite Antigorite Apatite-(CaF) Apophyllite-(KF) Aragonite |  | | Journal (article/letter/editorial) | | bucher@uni-freiburg.de) ABSTRACT The Zermatt-Saas serpentinite complex is an integral member of the Penninic...lithosphere of the Tethys. Metamorphic textures of the serpentinite preserve the complex mineralogical evolution...km depth. Key words: antigorite; ophiolite; serpentinite; textures; Zermatt-Saas. INTRODUCTION Eclogite...composition and field appearance, and the exposed serpentinite area in the Swiss part of the complex is on...ultramafic rocks during subduction. A compilation of serpentinite textures is presented, which can be linked to |  | | Report (issue) | | ................. 39 Central and northwestern region .................................................resources 53 Geological map of the Agnew - Mount Keith region .................................................Generalized tentative stratigraphy of the Forrestania region .................................................nickelfrom mines developed in the Eastern Goldfielh region since 1966. Annual state mine production since...sequences. Disseminated to matrix magnesite and anthophyllite, plus opaque phases. Nickel sulphidesform thin |  | | Report (issue) | | REPORT 276 EVALUATION OF MINERALIZATION IN SERPENTINITE AND ENCLOSING ROCKS IN THE HAMDAH AREA, KINGDOM... Intrusive rocks .................. 5 5 8 SERPENTINITE ...................... 10 Description .......Hamdah serpentinite area ................... in pocket Sample location map of the Hamdah serpentinite area...goldpelt and the Hamdah serpentinite area ...... 3 Areal view of serpentinite containing numerous rounded...dike rock .................... 9 Areal view of serpentinite, carbonaceous schist, and mafic dike ...... |  | | Report (edition) | | Peninsula II Mount's Bay 1 4 III St. Agnes District IV Falmouth Bay V The Lizard Peninsula REFERENCES...Megiliggar Rocks 23 13. Map of the St. Agnes district 26 14. North-south cliff section through the...around Lizard Point 38 20. Vein of rodingite in serpentinite, Enys Head, Cadgwith 40 21. Map of the western...intrusion of Tregonning-Godolphin. Granite also outcrops at Cligga Head, St. Agnes Beacon and St. Michael's...this region in the past, but china clay is nowadays only exploited in the St. Austell district and at |  | | Journal (issue) | | Number Five Articles The Val Graveglia m anganese district, Liguria, I t a ly .............................RHODOCHROSITE crystals to 1.6 cm, from the Uchucchacua district, Huanuco depart ment, Peru. (See vol. 28, no...and occasionally fine minerals. The manganese district of Val Graveglia in northern Italy produced over...beauty or rarity. LOCATION The northern coastal region of the Tyrrenian Sea is called Liguria: the name...time the region has had a complex history. Genoa is the main city and the main harbor of the region; the |  | | Report (issue) | | --Idealized sketch map of a typical steatite-grit-serpentinite body ................................... 6 ...and carbonate at the margins), and a core of serpentinite. The steatite zone, at the outer border of the...thickness. The grit zone, between the steatite and serpentinite zones, is commonly several feet to a few tens...ultramafic bodies formed almost entirely of serpentinite to bodies· made up exclusively of grit and steatite...rather markedly with those of the country rock. Serpentinite and grit show local schistosity that varies |  | | Report (issue) | | Quartzite....................................... Serpentinite, marble, and metabasalt............ Ultramafic-carbonate...Metabasalt, meta-andesite, carbonate rock, and serpentinite......................... Sandstone, conglomerate.................. Metaquartzose sandstone and serpentinite... Metabasalt.................................Amphibolite..................................... Serpentinite, and metavolcanic and carbonate rocks.........from: metasiltstone and carbonate rocks; and serpentinite, marble, and metabasalt.... 8 3. 4. 5. Estimated |  | | Book | | Morocco. T,vo sections through the Dutch coal mining district Cairo-Suez gravity section . . . . . . . Sketch.... . . . . . . . . Sketch map Bou Azzer mining district, Anti-Atlas Three sections through ophiolitic...km north of the outcropping Pre-Cambrian. The outcrops in the instructive Hoggar section (up to rooo...late sixties to southern Libya, where excellent outcrops of the Pre-Cambrian are known in the Tibesti area...also the results of geophysical work on basement outcrops. Nevertheless, the Pre-Cambrian stratigraphy has |  | | Report (issue) | | 1993 Dr Aspden covered the El Oro metamorphic district whilst Dr R A Je1nielita (Economic Geologist)...coastal foothills range of the El Oro meta morphic district, lhe other, smaller project study area (Figure...perate with grassland vegetation and rainfall in the region of 700 mm per year (see rainfall for Quito and...tropical. Rainfall is high over this eastern slope region due to rising hot air masses fro1n the Oriente;...relatively dense over the El Oro metan1or phic district, with towns such as Portovelo and Pinas in the |  | | Book (edition) | | intrigue exploration geologists who work in that region. Among recent explorations is that of D. D. Brown...in several areas of this state. In the Helena district, activity centers mainly on the gravel beds of...this deposit, like that found elsewhere in the district and in other pegmatite deposits of the world,...a very large and long granitic pegmatite which outcrops to form a prominent ridge along the southern edge...~ ork upon the large granitic pegmatite which outcrops upon this property began in January 1974 and resulted |  | Shagam, R., Hargraves, R. B., Morgan, W. J., Houten, F. B. Van, Burk, C. A., Holland, H. D., Hollister, L. C. - Eds. (1972) Studies in Earth and Space Sciences. GSA Memoir 132. Geological Society of America doi:10.1130/mem132 | Report (issue) | | Mechanisms for the Emplacement of AlpineType Serpentinite .John P. Lockwood 273 A Primary Peridotite...through his career, from his thesis study on serpentinite at Schuyler, Vir¬ ginia, to his last field trip...geology and geologists of southern Africa. That region constituted one of the few outposts of vehement...band 75 miles wide but that in the surrounding region it is uniformly thick. This was baffling and remains...model comes from the Juan de Fuca Ridge region. We claim this region has two minor hot spots creating the |  | | Book | | the roof of the upper mantle); (iii) widespread outcrops of abyssal gabbros and serpenof the mantle origin...connection, the World Rift System is pictured as a region of the Earth in which the deep-seated evolutionary...interrelationship of such the new formation of the oceanic region. geological phenomena as the development of mid-oceanic...geological evolution of the Bay of Bengal platform region, which is an oceanic platform, is sedimen tation...surface and in close relationship to ultrabasic rock outcrops associated with the upper mantle matter. This |
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