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Giulia Marras

As seen in: Wiley Online Library, Science Magazine
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Articles by Giulia Marras

Oxygen fugacity, temperature, and pressure of Siberian eclogitic diamonds: Implications for the Archaean convecting mantle redox state

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By Giulia Marras, Denis Mikhailenko, Catherine McCammon, Sonja Aulbach, Yuhang Lu, Renbiao Tao, Alla Logvinova, Dmitry A Zedgenizov, Vincenzo Stagno
| Science Magazine Verified
Reference #1 Abstract INTRODUCTION RESULTS AND DISCUSSION MATERIALS AND METHODS Acknowledgments Supplementary Materials REFERENCES eLetters (0) Information & Authors Metrics & Citations View Options References Figures Tables Media Share This article has 0 eLetter . Abstract Kimberlite-borne eclogite xenoliths ultimately derive from ancient subducted oceanic crust.
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Fe Oxidation State and Oxygen Isotope Composition of Diverse Metasomatized Peridotite Rocks

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By Enrico Cannaò, Gianluca Bianchini, Federica Benedetti, Giulia Marras
| Wiley Online Library Verified
1 Introduction Fluids and melts that formed upon subduction and by partial melting of mantle rocks cause metasomatism and, therefore, redox reactions (Evans 2012; Cannaò and Malaspina 2018; Stagno and Fei 2020). This process influences the O-isotope composition (δ18O) of mantle minerals due to isotopic fractionation occurring between the (metasomatic) fluids and the interacting minerals. Silicate mantle minerals have δ18O values of ~+ 5.2‰ ± 0.3‰ (Mattey et al.
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