 | | Journal (article/letter/editorial) | | the early 70s that some studies invoked the PTEs as an indicator of asbestos pathogenicity (Cralley et al...deficits (Leyssens et al., 2017). Zn is considered to be an essential element for the human body if people are...concentration of some PTEs such as Cr, Ni, Co, V in serpentinite-derived soils, exceed the regulatory thresholds...al., 2015). In this area several deposits of serpentinite and metabasite rock containing chrysotile, tremolite...goats, sheep and two boars living near disused quarries in the Calabria Region. Recently, Colombino et |  | Ferreira, Raianny Carolini Ramos, Pinheiro, Marco Aurélio Piacentini, Magalhães, Joana Reis, Novo, Tiago Amâncio, Schorscher, Johann Hans Daniel, Queiroga, Gláucia (2020) Physical volcanology and petrogenesis of the Archean Quebra Osso komatiite flow field, Rio das Velhas greenstone belt, Quadrilátero Ferrífero (Brazil). Lithos, 370. 105626pp. doi:10.1016/j.lithos.2020.105626 | Journal (article/letter/editorial) | | 1016/j.lithos.2020.105626 This is a PDF file of an article that has undergone enhancements after acceptance...subordinate and encompass an upper zone of random spinifex that rn grades to a lower cumulate zone. They...chromites suggests metamorphic overprint up to lower amphibolite facies conditions. Some komatiites are... Journal Pre-proof 1. INTRODUCTION Komatiite is an ultramafic volcanic rock with high-MgO (>18 wt %)...partial melting of a mantle plume that erupted in an extensional tectonic setting (Schorscher, 1992; Acken |  | Zhang, Ru Y., Liou, Juhn G., Yang, Jing S., Liu, Liang, Jahn, Bor-Ming (2004) Garnet Peridotites in UHP Mountain Belts of China. International Geology Review, 46 (11) 981-1004 doi:10.2747/0020-6814.46.11.981 | Journal (article/letter/editorial) | | UHP metamorphism at 750–980oC and 3.5–6.5 GPa with an extremely low thermal gradient of ≤5°C/km. Representative...images. Recent studies of orogenic peridotite provide an additional window into upper mantle processes at...to the Dulan areas (Fig. 2A). Dulan eclogites have an Sm-Nd mineral isochron age of 457 ± 3.3 Ma, and SHRIMP...1200–1800 Ma for relic magmatic or old cores, suggesting an early Paleozoic UHP metamorphic event. These new...U-Pb dating. The Altyn and Qaidam UHP rocks show an early Paleozoic age, whereas Dabie-Sulu UHP rocks |  | | Journal (article/letter/editorial) | | pecoraite or népouite. Relevant chemical features are an exceptionally high Ni/Mg ratio, a significant level...crystallized, clay-like Ni ore that generally comprises an intimate mixture of Ni/Mg hydrosilicates like serpentine...silicates. Recently, Fritsch et al. (2016) proposed an alternative model to explain the formation of garnierite...Group1, the world’s primary nickel production recorded an annual growth rate of 5.5% in the period from 2011...but due to the ongoing depletion of sulfide ores, an increase in the Ni production from laterite deposits |  | Zhang, R. Y., Liou, J. G., Yang, J. S., Ye, K. (2003) Ultrahigh-pressure metamorphism in the forbidden zone: the Xugou garnet peridotite, Sulu terrane, eastern China. Journal of Metamorphic Geology, 21 (6) 539-550 doi:10.1046/j.1525-1314.2003.00462.x | Journal (article/letter/editorial) | | Triassic UHP metamorphism in the P–T forbidden zone with an extremely low thermal gradient (< 5 C km)1), and... or as products of prograde HP metamorphism of spinel peridotite or their serpentinized equivalents,...mechanism not only in different orogens, but also in an individual terrane (Medaris, 1999; Brueckner & Medaris...(c) low P ⁄ T peridotites that may be related to an upwelling asthenosphere (Medaris, 1999). Garnet peridotites...terrane, is well exposed in three large serpentinite quarries, and consists of peridotite, garnet clinopyroxenite |  | Petriglieri, Jasmine Rita, Laporte-Magoni, Christine, Gunkel-Grillon, Peggy, Tribaudino, Mario, Bersani, Danilo, Sala, Orietta, Le Mestre, Monika, Vigliaturo, Ruggero, Bursi Gandolfi, Nicola, Salvioli-Mariani, Emma (2020) Mineral fibres and environmental monitoring: A comparison of different analytical strategies in New Caledonia. Geoscience Frontiers, 11 (1) 189-202 doi:10.1016/j.gsf.2018.11.006 | Journal (article/letter/editorial) | | routinely analytical strategy, able to discriminate an asbestiform fibre from a non-harmful particle, is... Production and hosting by Elsevier B.V. This is an open access article under the CC BY-NC-ND license... Production and hosting by Elsevier B.V. This is an open access article under the CC BY-NCND license...plan based on field geological survey, followed by an analytical laboratory investigation. The analytical...All these morphological-textural parameters depict an increasing alteration status, from non-altered (minimum |  | | Book | | SHEARED CONTACT Upper Metagabbro Metagabbro Layer Lower Metagabbro LowerNappe Cambrian Metadunite Layer...425 Ma) Neoproterozoic Loch of Cliff Limestone Lower Imbricate Tectonic slices of Unst Phyllite Group... Geology of Unst and Fetlar in Shetland The district described in this memoir is covered by Sheet 131...the far distance. The valley is floored by the Lower lmbricate Zone. The left hand valley side is the...Field cuesta. The right hand valley side is the Lower Nappe with the abduction thrust at its base. Derek |
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