Abstract
In order to reveal any correlation between the preferred orientation of quartz and progressive intensity of strain, a suite of deformed leucogneiss collected within a ductile shear zone outcropping in Calabria (southern Italy) was investigated. Based on the microstructural approach and matrix-clast relationships, the method applied here may be useful for appraising the connection between deformation mechanisms of constituent minerals and bulk textural properties of naturally sheared rocks. Accordingly, quartz c-axis orientation patterns were determined by image-assisted analysis. Results revealed a correlation between finite strain and textural features: As strain increases, the matrix develops at the expense of the clast counterpart, which is instead progressively reduced in both size and amount.
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Cirrincione, R., Fazio, E., Fiannacca, P., Ortolano, G., Punturo, R. (2009). Microstructural Investigation of Naturally Deformed Leucogneiss from an Alpine Shear Zone (Southern Calabria-Italy). In: Vinciguerra, S., Bernabé, Y. (eds) Rock Physics and Natural Hazards . Pageoph Topical Volumes. Birkhäuser Basel. https://doi.org/10.1007/978-3-0346-0122-1_12
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DOI: https://doi.org/10.1007/978-3-0346-0122-1_12
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