Articles | Volume 9, issue 1
https://doi.org/10.5194/se-9-167-2018
https://doi.org/10.5194/se-9-167-2018
Research article
 | 
26 Feb 2018
Research article |  | 26 Feb 2018

Deeply subducted continental fragments – Part 1: Fracturing, dissolution–precipitation, and diffusion processes recorded by garnet textures of the central Sesia Zone (western Italian Alps)

Francesco Giuntoli, Pierre Lanari, and Martin Engi

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Latest update: 24 Dec 2024
Short summary
Continental high-pressure terranes in orogens offer insight into deep recycling and transformation processes that occur in subduction zones. These remain poorly understood, and currently debated ideas need testing. We document complex garnet zoning in eclogitic mica schists from the Sesia Zone (western Italian Alps). These retain evidence of two orogenic cycles and provide detailed insight into resorption, growth, and diffusion processes induced by fluid pulses under high-pressure conditions.