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- W2901067380 abstract "Research Article| November 14, 2018 Seismically enhanced hydrothermal plume advection through the process zone of the Compione extensional Fault, Northern Apennines, Italy Alessio Lucca; Alessio Lucca † 1Department of Chemistry, Life Sciences and Environmental Sustainability, Natural and Experimental Tectonics research group, University of Parma, I-43124 Parma, Italy †alessio.lucca@studenti.unipr.it Search for other works by this author on: GSW Google Scholar Fabrizio Storti; Fabrizio Storti 1Department of Chemistry, Life Sciences and Environmental Sustainability, Natural and Experimental Tectonics research group, University of Parma, I-43124 Parma, Italy Search for other works by this author on: GSW Google Scholar Giancarlo Molli; Giancarlo Molli 1Department of Chemistry, Life Sciences and Environmental Sustainability, Natural and Experimental Tectonics research group, University of Parma, I-43124 Parma, Italy2Department of Earth Sciences, University of Pisa, via S. Maria, 53, I-56126 Pisa, Italy Search for other works by this author on: GSW Google Scholar Philippe Muchez; Philippe Muchez 3Department of Earth and Environmental Sciences, Katholieke Universiteit Leuven, Celestijnenlaan 200E, B-3001 Heverlee, Belgium Search for other works by this author on: GSW Google Scholar Andrea Schito; Andrea Schito 4Department of Sciences, Geology Section, Roma Tre University, L.go S. Leonardo Murialdo 1, I-00146 Roma, Italy Search for other works by this author on: GSW Google Scholar Andrea Artoni; Andrea Artoni 5Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, I-43124 Parma, Italy Search for other works by this author on: GSW Google Scholar Fabrizio Balsamo; Fabrizio Balsamo 1Department of Chemistry, Life Sciences and Environmental Sustainability, Natural and Experimental Tectonics research group, University of Parma, I-43124 Parma, Italy Search for other works by this author on: GSW Google Scholar Sveva Corrado; Sveva Corrado 4Department of Sciences, Geology Section, Roma Tre University, L.go S. Leonardo Murialdo 1, I-00146 Roma, Italy Search for other works by this author on: GSW Google Scholar Emma Salvioli Mariani Emma Salvioli Mariani 5Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, I-43124 Parma, Italy Search for other works by this author on: GSW Google Scholar Author and Article Information Alessio Lucca † 1Department of Chemistry, Life Sciences and Environmental Sustainability, Natural and Experimental Tectonics research group, University of Parma, I-43124 Parma, Italy Fabrizio Storti 1Department of Chemistry, Life Sciences and Environmental Sustainability, Natural and Experimental Tectonics research group, University of Parma, I-43124 Parma, Italy Giancarlo Molli 1Department of Chemistry, Life Sciences and Environmental Sustainability, Natural and Experimental Tectonics research group, University of Parma, I-43124 Parma, Italy2Department of Earth Sciences, University of Pisa, via S. Maria, 53, I-56126 Pisa, Italy Philippe Muchez 3Department of Earth and Environmental Sciences, Katholieke Universiteit Leuven, Celestijnenlaan 200E, B-3001 Heverlee, Belgium Andrea Schito 4Department of Sciences, Geology Section, Roma Tre University, L.go S. Leonardo Murialdo 1, I-00146 Roma, Italy Andrea Artoni 5Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, I-43124 Parma, Italy Fabrizio Balsamo 1Department of Chemistry, Life Sciences and Environmental Sustainability, Natural and Experimental Tectonics research group, University of Parma, I-43124 Parma, Italy Sveva Corrado 4Department of Sciences, Geology Section, Roma Tre University, L.go S. Leonardo Murialdo 1, I-00146 Roma, Italy Emma Salvioli Mariani 5Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, I-43124 Parma, Italy †alessio.lucca@studenti.unipr.it Publisher: Geological Society of America Received: 08 Feb 2018 Revision Received: 10 Jul 2018 Accepted: 14 Aug 2018 First Online: 14 Nov 2018 Online Issn: 1943-2674 Print Issn: 0016-7606 © 2018 Geological Society of America GSA Bulletin (2019) 131 (3-4): 547–571. https://doi.org/10.1130/B32029.1 Article history Received: 08 Feb 2018 Revision Received: 10 Jul 2018 Accepted: 14 Aug 2018 First Online: 14 Nov 2018 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn MailTo Tools Icon Tools Get Permissions Search Site Citation Alessio Lucca, Fabrizio Storti, Giancarlo Molli, Philippe Muchez, Andrea Schito, Andrea Artoni, Fabrizio Balsamo, Sveva Corrado, Emma Salvioli Mariani; Seismically enhanced hydrothermal plume advection through the process zone of the Compione extensional Fault, Northern Apennines, Italy. GSA Bulletin 2018;; 131 (3-4): 547–571. doi: https://doi.org/10.1130/B32029.1 Download citation file: Ris (Zotero) Refmanager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentBy SocietyGSA Bulletin Search Advanced Search Abstract Reconstructing the paleofluid evolution in mature fault zones, which typically have complex structural architectures, is a challenging task because reactivation of pre-existing deformation structures and dissolution-reprecipitation processes are very abundant. Understanding why specific structural elements are preferentially mineralized and what are the factors leading to rapid fluid migration and accumulation, bears geological and economic implications, especially in seismically active fault zones. We studied the Compione Fault on the Tyrrhenian Sea side of the Northern Apennines orogenic wedge, Italy, which is a segment of the 30-km-long Northern Lunigiana high-angle extensional fault system still active today. The Compione Fault propagated from the metamorphic basement and accumulated about 1.5 km of displacement. We used structural, petrographic, isotopic, microthermometric, compositional, and organic matter analyses to constrain fluid and host rock properties during fault zone evolution. This approach allowed us to quantify the thermal anomaly in the fault zone and to infer the processes responsible for such a disequilibrium. Specifically, we show that in the fault process zone ahead of the upper fault tip, which is twice as wide as the damage zone, seismic pumping caused suprahydrostatic fluid pressures and that local dilation promoted the nucleation of a highly permeable mesh of conjugate extensional shear fractures hosting calc-silicate mineralization. The thermal difference between hydrothermal minerals in the conjugate fracture mesh and the host rock is 60–90 °C. The mineralizing fluids were deeply sourced from metamorphic reactions. Propagation of the upper fault tip caused process zone folding and incorporation into the fault damage zones. As the upper fault tip breached through shallower structural levels, it favored mixing between deep and meteoric fluids. You do not have access to this content, please speak to your institutional administrator if you feel you should have access." @default.
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- W2901067380 date "2018-11-14" @default.
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- W2901067380 title "Seismically enhanced hydrothermal plume advection through the process zone of the Compione extensional Fault, Northern Apennines, Italy" @default.
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