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Serpentinite from Moeche (Galicia, North Western Spain). A Stone Used for Centuries in the Construction of the Architectural Heritage of the Region

1
Department of Geology, University of Salamanca, Avd. Requejo 33, 49022 Zamora, Spain
2
CHARROCK Research Group. University of Salamanca, Plaza de los Caídos s/n, 37008 Salamanca, Spain
3
Department of Geology, University of Salamanca, Plaza de los Caídos s/n, 37008 Salamanca, Spain
*
Author to whom correspondence should be addressed.
Sustainability 2019, 11(9), 2700; https://doi.org/10.3390/su11092700
Received: 1 April 2019 / Revised: 9 May 2019 / Accepted: 10 May 2019 / Published: 12 May 2019
(This article belongs to the Special Issue Natural Stone and Architectural Heritage)
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Abstract

Serpentinites are characterized by highly variable mineralogical, physical, and mechanical properties. Serpentinites from Moeche (North Western Spain) have been studied to establish their mineralogical, petrographic, and textural characteristics, as well as their physical and mechanical parameters and the factors influencing rock failure, to evaluate the possible use of these rocks either for new construction or for conservation-restoration of the architectonic heritage of the region. In this paper, we highlight the importance of a detailed mineralogical and petrographic characterization in the fracture zones, which will determine the viability of quarrying the stone. A strong correlation between the petrographic features and the uniaxial compression strength values has been observed. The most important aspects were found to be the rock texture, the mineralogical composition of the fracture area and foliation, although mineralogy was also found to be involved (% of carbonates) in the strength of the stone. An important preliminary result of the study was the low asbestos content of these serpentinites, which will help in the potential re-opening of the quarries. View Full-Text
Keywords: serpentinites; rocks characterization; dimension stone; architectural heritage serpentinites; rocks characterization; dimension stone; architectural heritage
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Nespereira, J.; Navarro, R.; Monterrubio, S.; Yenes, M.; Pereira, D. Serpentinite from Moeche (Galicia, North Western Spain). A Stone Used for Centuries in the Construction of the Architectural Heritage of the Region. Sustainability 2019, 11, 2700.

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