Microstructures associated with static and dynamic recrystallization of Carrara marble (Alpi Apuane,NW Tuscany,Italy) |
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Authors: | Molli Giancarlo Heilbronner Renée |
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Institution: | (1) Dipartimento Scienze della Terra, Università di Pisa, Via S. Maria 53, I-56126 Pisa, Italy, e-mail;(2) Geologisches Paläontologisches Institut, Basel Universitàt, CH-4056 Basel, Switzerland |
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Abstract: | The present contribution summarizes the first results of a study focusing on microstructures from Alpi Apuane marbles. Its aim is both an analysis of the evolution of the metamorphic complex recorded in marbles and the supply of basic material for process-oriented studies on calcite microstructures due to natural deformation. Quantitative analysis of the variations of statically recrystallized microstructures suggest a relationship with the peak metamorphic temperatures. Previously unrecognized post-thermal peak shear zones, showing overprint microstructures typical of grain-boundary migration and dynamic recrystallization, are described; they document the natural deformation of Carrara marble. |
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Keywords: | annealing calcite microstructures Northern Apennine shear zone |
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