 | | Report (issue) | | of talc and chlorite, with smaller amounts of dolomite and other mi.nerals. Pyrophyllite a hydrous aluminium...tremolite - actinolite·, anthophyllite, magnesite, dolomite, calcite and quartz. Such remnant magnesium silicate...talc Weight per cent Talc Chlorite Mlgnesite Dolomite Tremolite Serpentine Quartz Opaques Percentage...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 |  | | Journal (article/letter/editorial) | | anorthoclase, antigorite, celadonite, diopside, dolomite, forsterite, humite, leucite, lime, lizardite...1546, ïŹve other species (analcime, chabazite-Ca, dolomite, leucite, and vesuvianite) described in the XVIII...Trentino-Alto Adige (5): Chabazite-Ca, dachiardite-Na, dolomite, gehlenite, pectolite. Emilia-Romagna (4): Aliettite...but at least relevant to the Earth Sciences. DolomiteâA mountain-forming mineral Thanks also to an earlier...anorthoclase, antigorite, celadonite, diopside, dolomite, forsterite, humite, leucite, lime, lizardite |  | Boschi, C., Dini, A., Dallai, L., Ruggieri, G., Gianelli, G. (2009) Enhanced CO2-mineral sequestration by cyclic hydraulic fracturing and Si-rich fluid infiltration into serpentinites at Malentrata (Tuscany, Italy) Chemical Geology, 265 (1) 209-226 doi:10.1016/j.chemgeo.2009.03.016 | Journal (article/letter/editorial) | | Malentrata (Tuscany, Italy) were derived from serpentinite siliciïŹcationâ carbonation of the Ligurian ophiolite...dioxide into stable carbonates (e.g. magnesite, dolomite). Serpentinites at Malentrata were transformed...alteration of serpentinite was accompanied by the formation of a network of magnesite and dolomite veinlets...veinlets, and large magnesiteâdolomite veins along major structures. Field observations, petrography and mineral...magnesite, ii) comb-textured Fe-rich magnesite and dolomite cementing the early brecciated magnesite vein |  | | Journal (article/letter/editorial) | | Mineralogy, and Geochemistry of the Nkamouna Serpentinite: Implications for the Formation of the Cobalt-Manganese...laterite and a lower in situ serpentinite-derived laterite. The serpentinite is massive with a nonpseudomorphic...genetically related phases: Serpentinite-I and Serpentinite-II. Serpentinite-I is characterized by antigorite...and magnesite, and Serpentinite-II by antigorite and magnesite. Both serpentinite types are extremely...extremely low in sulfides. Serpentinite-I is the dominant and oldest phase and was derived from a subcontinental |  | | Journal (article/letter/editorial) | | soil conditionsâsuch as those found on serpentinite outcrops, mine tailings, guano deposits, and salt... 1986). Edaphic islands such as serpentinite and limestone outcrops, guano deposits, and mine tailings...1986; Kruckeberg and Rabinowitz, 1985). Using serpentinite soils as an example of a challenging edaphic...species. Firstly, there exists preadaptedness for serpentinite tolerance in nonserpentinite populations. Then...divergence effectively separates the species into serpentinite-tolerant and -intolerant gene pools. Further |  | | Report (issue) | | the âFranciscan assemblageâ including outcrops of serpentinite, basalt, limestone, ribbon chert, graywacke...of this exit. Easily-accessible exposures of serpentinite, layered-chert beds in chevron folds, and Silver...several miles on US Highway 101, blue-green serpentinite exposures can be seen in the hills to the left...Hills. Part of the hill country is underlain by serpentinite; the soils in these areas, particularly around...power-grid station for San JosĂ© along US Highway 101. Serpentinite boulders are scattered across the hillsides |  | | 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 |  | | Journal (article/letter/editorial) | | is evidently associated with the fact that the outcrops of iron quartzite, distributed over a large area...[12]. The recently dis covered major bodies of serpentinite in southeastern Cameroon, confined to an arcuate...are never theless not a uniform entity. Small outcrops of chlorite-talc rocks corresponding in composition...05 1.60 0.67 1.39 1.22 1.90 Note: K-1) Serpentinite, Kondong; GK-1722) seipentinite, Congo, DH 1...in the upper reaches of the Bumba River). The serpentinite lenses apparently represent frag ments of a |  | 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) | | 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...magnetite, one of the main constituents of the serpentinite accessories, with the genesis attributed to...clinochlore 5.11, antigorite 8.07, calcite 40.86, dolomite 10.2, magnesite 4.09, albite 16.34); STD2 (chrysotile...clinochlore 5.22, antigorite 16.49, calcite 36.53, dolomite 10.44, magnesite 4.18, albite 10.44). Specimens |  | | Journal (article/letter/editorial) | | regarding the low productivity of plants typical of serpentinite environments. Introduction MAGNESIUM, THE SEVENTH...species: the carbonates, magnesite, MgCO 3 , 2 and dolomite, CaMg(CO3)2; the silicates, forsterite, Mg2SiO4...and OâHanley, 1988) as are the occurrences of serpentinite rocks in many regions around the world (Barnes...of certain elements (>1000 ppm of Ni) by the serpentinite plant species Strepthanus polygaloides is known...cytosol and in the environment, particularly serpentinite localities. Another ion with similar size and |  | | 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 ................................ |  | 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 ArabianâNubian 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 ArabianâNubian 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...nodules and irregular pockets of magnesite and dolomite with quartz occur within the talc-rich bodies...contacts between the talc-rich rocks and the serpentinite range from gradational to sharp (Figure 3(d)) |  | | 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 ïŹeld appearance, and the exposed serpentinite area in the Swiss part of the complex is on...ultramaïŹc rocks during subduction. A compilation of serpentinite textures is presented, which can be linked to |  | | Journal (article/letter/editorial) | | serpentine are most abundant and widespread in serpentinite bodies, typically sited along major fault zones...rich in serpentinite. Accordingly, the natural distribution and areal extent of serpentinite host rocks...2002). These reports identify regions where serpentinite outcrops occurâthey do not demonstrate the presence...workers, people residing in close proximity to serpentinite bodies may have slightly increased risk of such...km or more from potentially asbestos-containing outcrops. Arsenic Arsenic is an important minor constituent |  | | Report (edition) | | intrusion of Tregonning-Godolphin. Granite also outcrops at Cligga Head, St. Agnes Beacon and St. Michaelâs...potassium arfvedsonite) and two carbonate minerals (dolomite and ferroan magnesite), The weathering of the...rock types which occur there, including the serpentinite which is the best example of its kind in England...dyke swarm is relatively poorly developed. Gabbro outcrops over a large area in the eastern part of the Lizard...greenish colours are seen in particularly weathered serpentinite and these varieties are used in the manufacture |  | | Report (edition) | | 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...potassium arfvedsonite) and two carbonate minerals (dolomite and ferroan magnesite). The weathering of the...rock types which occur there, including the serpentinite which is the best example of its kind in England...dyke swarm is relatively poorly developed. Gabbro outcrops over a large area in the eastern part of the Lizard |  | | Journal (article/letter/editorial) | | analyses indicated the occurrence of carbonate (dolomite) in only trace amounts ( 1% of the untreated...phases, with estimated abundance of 1 â 3% and dolomite occurs in trace amounts of 1%. Organic matter...possibly also present in soluble carbonates such as dolomite, which occurs in trace amounts and dissolved during...both occur in highly elevated concentrations in serpentinite (McGrath and Smith, 1990; Lottermoser, 1997)...appears to be chemical and physical weathering of serpentinite, carbonate and shale in the Green Mountains |  | | Report (issue) | | TAMORPHICS SIERRA @Âź 2=ISLA ee TIBOR AREA OF SAN outcrops os S SIERRA WELLS DATE (Mm.y.) 4) N IN...consists of 90 percent limestone. The remainder is dolomite with gypsiferous bands, and some brucite limestone...is intruded by peridotite (metamorphosed to serpentinite), gabbro (some gabbro is metamorphosed to amphibolite)...were metamorphosed before incorporation in the serpentinite, which belongs to the Late Jurassic(?)-Cretaceous...to 4367 m) below Jurassic(?) and Cretaceous serpentinite and volcanic rocks. 3. Hatten and others (1958) |  | Luoni, Pietro, Rebay, Gisella, Roda, Manuel, Zanoni, Davide, Spalla, Maria Iole (2021) Tectono-metamorphic evolution of UHP Zermatt-Saas serpentinites: a tool for vertical palaeogeographic restoration. International Geology Review, 63 (10) 1236-1261 doi:10.1080/00206814.2020.1758967 | Journal (article/letter/editorial) | | pietro.luoni@unimi.it KEYWORDS Ti-humites; serpentinite; subduction modelling; Piemonte Zone; Western...The red star locates the studied area (CrĂ©ton outcrops) and the red rectangle Figure 1d; (c) cross-section...open folds with sub vertical axial planes. CrĂ©ton outcrops have been the subject of high-precision structural...REVIEW 5 Figure 2. Form surface maps of two outcrops from CrĂ©ton, showing a quite complete lithostratigraphy...layer underlying D2 tight folds in olivine-rich serpentinite; (c) magnetite layer intersected by S2 and D3 |  | | Report (issue) | | antigorite, chlorite, tremolite, talc, magnesite and dolomite and Musgrave Blocks, but explorationfor such deposits...Castro government in 1960. In 1942 in what was then Finland, the P e t m o mine, previously deve]o@ by NCO...German control. The USSR annexed this part of Finland (Kola Peninsula) in 1944 and PRODUCTtON Nickel...isolated outcrops of limonitic gossan were found over a strike length of 450m. the outcrops are about...with the ultramafic rock was indicated by these outcrops, and mapping showed that the limonitic zone was |  | | Journal (issue) | | Stearn I 149 Circular and Tabular (Discordant) Dolomite Bodies in the South Judean Desert, Israel . ....radiolarite. Ophicalcite consists of clasts of serpentinite and locally gabbro and peridotite in a pink...structures identical with caliche, silicified serpentinite masses Uasper) whose texture and mineral composition...composition mimic modem soils on serpentinite, presence of a flat ?wave-cut surface beneath radiola1ite...within ophicalcite of both calcite and oxidized serpentinite debris, and absence or thinness of radiolarite |  | | Journal (article/letter/editorial) | | quartz, and rutile, among others. Serpentinite Serpentinite outcrops in bands and pods along the length...Corundum Cummingtonite Cuprite Datolite Diopside Dolomite Dravite Dumortierite Enstatite Epidote Epsomite |  | | Report (edition) | | Moffat 8 Ordovician and Silurian graptolites 9 Outcrops of the Old Red Sandstone Series at Dobb's Linn...12 The Granite and associated rocks 56 13 Outcrops of Carboniferous rocks 14 Comparative Criffell...Carboniferous Limestone Series 75 15 Comparative 16 Outcrops of the New Red Sandstone and the Carlisle Basin...Girvan, and elsewhere form only small isolated outcrops. The map also shows that these Lower Palaeozoic...been detailed study by Craig and Nairn of the outcrops on the Solway coast, and resurveys of the Langholm |  | | Book | | oI the still younger Adoudounian (limestone and dolomite) _.\ clip slope ( 25 ) of s1n1ilar rocks off the...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...statements (1966, p. 303) that from the basement outcrops near the Red Sea and the Hadramaut the Pre-Cambrian | | | Report (edition) | | 8 . Ordovician and Silurian graptolites 40 9 Outcrops of the Old Red Sandstone in tl1e South of Scotland...Criffell Granite and associated rocks 56 13 Outcrops of Carboniferous rocks in the South of Scotland...vertical sections of the Coal Measures 82 16 Outcrops of the New Red Sandstone in the South of Scotland...Girvan, and elsewhere form only small isolated outcrops. The map also shows that these Lower Palaeozoic...been detailed study by Craig and Nairn of the outcrops on the Solway coast, and resurveys of the Langholm |
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