Results 151 to 160 of about 2,463 (203)
The effect of anisotropic electrical conductivity of amphiboles on geophysical anomalies observed in subduction zones. [PDF]
Sci RepBernardini S +5 more
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Physics and Chemistry of Minerals, 2000
Powder IR spectra of synthetic richterite-tremolite and Sr-tremolite-tremolite solid solutions were obtained in the spectral range between 1400 and 600 cm−1. Under the consideration of the crystal structure and the Wykoff positions of the atoms in the primitive unit cell, the number, type and symmetry of vibrational modes were deduced.
Matthias Gottschalk, J Najorka
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Powder IR spectra of synthetic richterite-tremolite and Sr-tremolite-tremolite solid solutions were obtained in the spectral range between 1400 and 600 cm−1. Under the consideration of the crystal structure and the Wykoff positions of the atoms in the primitive unit cell, the number, type and symmetry of vibrational modes were deduced.
Matthias Gottschalk, J Najorka
exaly +3 more sources
The Effect of Grinding on Tremolite Asbestos and Anthophyllite Asbestos [PDF]
Minerals (Basel, Switzerland), 2018 The six commercial asbestos minerals (chrysotile, fibrous actinolite, crocidolite, amosite, fibrous tremolite, and fibrous anthophyllite) are classified by the IARC as carcinogenic to humans. There are currently several lines of research dealing with the
Andrea Bloise +2 more
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Minerals (Basel, Switzerland)The tremolite nephrite deposit in Dahua county, Hechi City, Guangxi province, China is a new genetic type of nephrite deposit. It is hosed by Mg-poor limestone (~1.30 wt.% MgO) and intruded by diabase (~45 wt.% SiO2).
Haiyan Yu +3 more
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Regulatory Toxicology and Pharmacology, 2008 Mediterranean regions such as Greece, Turkey, Cyprus, Corsica and New Caledonia have experienced epidemics of malignant mesothelioma as a result of non-occupational, "domestic" exposure to tremolite asbestos and fibrous erionite.
S H Constantopoulos
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Annals of the New York Academy of Sciences, 1991
Although tremolite asbestos has been well characterized since 1916, appreciation of its role in disease induction is relatively recent. It has always been understood that the morphology of tremolite is complex, and part of the slowness in recognizing it as a hazard has been definitional in nature.
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Although tremolite asbestos has been well characterized since 1916, appreciation of its role in disease induction is relatively recent. It has always been understood that the morphology of tremolite is complex, and part of the slowness in recognizing it as a hazard has been definitional in nature.
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Mechanism of tremolite carbonation
Applied Geochemistry, 2011Abstract The direct aqueous carbonation of fibrous tremolite was investigated by TEM, powder XRD, and FT-IR to elucidate the transformation mechanism of tremolite into calcite. The TEM study revealed that tremolite dissolves along the weak cleavage on (1 0 0) and (1 1 0) and the cleavage fragment fibers. The preferential release of Ca, relative to Si
Kyoung Won Ryu +2 more
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A note on the sulphurization of Fe-Tremolite
Geological Magazine, 1976SummaryCharges of Fe-tremolite, sulphur and water sealed in gold capsules and run at 600°C and 1 kb confining pressure for one month yielded talc, anhydrite, pyrite and quartz as principal mineral phases. It is concluded that in a S-rich environment talc is stabilized rather than diopside by the strong preference of Ca to form anhydrite.
N. D. MacRae, M. Grant, G. Kullerud
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Chrysotile, Tremolite, and Malignant Mesothelioma in Man
Chest, 1988The question of whether chrysotile asbestos ever causes mesothelioma in man has become a major public and occupational health issue. Review of the literature suggests that only 53 acceptable cases of chrysotile-induced mesothelioma have ever been reported; of these, 41 cases have occurred in individuals exposed to chrysotile mine dust, all of it ...
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