In the recent years, many studies have focused on rocks containing naturally occurring asbestos (NOA) with the purpose of determining the potential health risks to exposed neighboring populations. Environmental exposure to NOA has been shown to be a cause of several types of lung disease. The toxicity of asbestos fibres should also depend on the concentration of trace elements and their release in the environment. In this regard the aim of the present work was to characterize four samples of pure tremolite asbestos belonging to Gimigliano-Mount Reventino Unit (Calabria, south Italy). Through a several analytical techniques such as X-ray powder diffraction (XRPD), scanning electron microscopy combined with energy dispersive spectrometry (SEM-EDS), differential scanning calorimetry (DSC), derivative thermogravimetric (DTG) and atomic absorption spectroscopy (AAS), the size, morphology, crystallinity and chemical composition of tremolite samples were discussed to define the impact on the environment and human health.

Geochemical and mineralogical characterization of tremolite asbestos contained in the Gimigliano-Mount Reventino Unit (Calabria, south Italy)

Apollaro, Carmine;Fuoco, Ilaria;Vespasiano, Giovanni;De Rosa, Rosanna;Miriello, Domenico;Bloise, Andrea
2018

Abstract

In the recent years, many studies have focused on rocks containing naturally occurring asbestos (NOA) with the purpose of determining the potential health risks to exposed neighboring populations. Environmental exposure to NOA has been shown to be a cause of several types of lung disease. The toxicity of asbestos fibres should also depend on the concentration of trace elements and their release in the environment. In this regard the aim of the present work was to characterize four samples of pure tremolite asbestos belonging to Gimigliano-Mount Reventino Unit (Calabria, south Italy). Through a several analytical techniques such as X-ray powder diffraction (XRPD), scanning electron microscopy combined with energy dispersive spectrometry (SEM-EDS), differential scanning calorimetry (DSC), derivative thermogravimetric (DTG) and atomic absorption spectroscopy (AAS), the size, morphology, crystallinity and chemical composition of tremolite samples were discussed to define the impact on the environment and human health.
Mineralogical characterization; Southern Italy; Trace elements; Tremolite asbestos; Geology; Stratigraphy
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/20.500.11770/286163
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