The Dynamic Mass Transfer

from Slabs to Arcs

Programma di Ricerca Scientifica di Rilevante Interesse Nazionale PRIN
Project n. 2017ZE49E7


Formation of juvenile arc crust at ocean-continent convergent margins is a driving process for continental growth. It initiates with loss of COH-bearing fluids-melts from subducting oceanic plates, is driven by fluid-melt mediated mass transfer into supra-subduction the mantle wedge and causes mantle metasomatism and melting. Magma underplating beneath the arc crust enhances anatexis and differentiation of the continental crust. In this scenario, uncertainties still concern the evolution of fluid-melt/rock interaction with the sub-arc mantle and with the deep arc crust through temperature, space and time, and regard also the following challenging aspects:
(a) the phase relations in slab and mantle wedge rocks in presence of fluids and melts bearing COH species at variable temperature and redox conditions;
(b) the grain scale mechanisms accounting for segregation and migration of fluids/melts;
(c) the melting and differentiation of the arc crust.
The project tackles the above uncertainties through 3 main scientific targets.

Target 1

Aim: Establishing release of COH-bearing subduction-zone fluids and melts.
Goals: (i) Establishing the depths for fluid and melt release and the fluid/melt compositions based on the analysis of natural rocks, of fluid and melt inclusions and of synthetic systems. (ii) Defining volatiles and trace element recycling at variable redox conditions.

Target 2

Aim: Establishing the interaction of slab-derived fluids/melts with the mantle wedge.
Goals: (i) Assessing fluid and melt interaction with the supra-subduction mantle (cold plate interface and hot mantle wedge) at variable depths, environments and redox conditions.
(ii) Investigating the extent and kinetics of metasomatic fluid-melt/rock exchange as a function of temperature and supra-subduction mantle setting.

Target 3

Aim: Defining the partial melting processes of the deep arc crust as the result of magma underplating.
Goals: (i) Characterizing the P-T-aH2O conditions during anatexis, the chemical (major, trace and volatiles) composition of crustal melts in the different rocks, the melt-related microstructures, and the petrophysical properties of deep crustal rocks with different composition.
(ii) Thermodynamic modeling of the above processes.

MATERIALS: To achieve the above targets, we plan to investigate (1) metasomatized, high and ultrahigh-pressure garnet peridotite (from Alps and Norway) representative of cold subduction interface domains, and (2) the xenolith suite from SW Colombia, representing the entire lithosphere column underneath an arc volcano and including metasomatized garnet-bearing xenoliths from the hot mantle wedge together with deep arc crust xenoliths. Results from natural samples are compared with laboratory experiments on phase relations and melt-rock reaction.

METHODS: Optical and Scanning Electron Microscopy; Microprobe mineral analysis and Bulk Rock analysis of major and trace element compositions; Rock texture and EBSD analysis; Classic thermobarometry coupled with Raman Spectroscopy for the analysis thermobarometry of mineral host-inclusion pairs: Coupled EBSD and TEM-EELS (Electron Energy Loss Spectroscopy) for Fe3+ distribution in inclusions and their hosts the redox state of rocks and inclusions; ICP-Ms laser ablation analysis for in-situ trace element distribution in minerals and SIMS spectrometry for isotope analysis.

Team


Marco
SCAMBELLURI

Coordinator
University of
Genova

Stefano
POLI

Responsible - RU
University of
Milano

Bernardo
CESARE

Responsible - RU
University of
Padova

Nadia
MALASPINA

Responsible - RU
University of
Milano-Bicocca

Matteo
ALVARO

Responsible - RU
University of
Pavia

Research Units Team


Genova

  • Elisabetta Rampone
    (Full Professor)
  • Nicola Campomenosi
    (Post-Doc)
  • Luca Notini
    (PhD Student)

Milano

  • Patrizia Fumagalli
    (Associate Professor)
  • Simone Tumiati
    (Associate Professor)
  • Francesca Miozzi
    (Post-Doc)

Padova

  • Fabio Ferri
    (Research Fellow)
  • Bruna Borges Carvalho
    (Research Fellow)
  • Omar Gianola
    (Research Fellow)
  • Andrés Rodríguez Vargas
    (Research Fellow)
  • Luca Peruzzo
  • Pawel Slupski
    (PhD Student)
  • Benedetta Costa
    (MSc Student)

Mi-Bicocca

  • Marcello Campione
    (Associate Professor)
  • Stefano Zanchetta
    (Associate Professor)
  • Mara Murri
    (Post-Doc)
  • Luca Pellegrino
    (Post-Doc)

Pavia

  • Mattia Gilio
    (Post-Doc)

Publications


  • Starr P.G., Kirkland S., Broadwell S., Dragovic B. Scambelluri M., Haws A.A., Caddick M.J., Smye A., Baxter E.F. (2020) The subduction and exhumation history of the Voltri Ophiolite, Italy: Evaluating exhumation mechanisms for high-pressure metamorphic massifs. LITHOS 105767.
    doi:10.1016/j.lithos.2020.105767
    PDF download
  • Gianola O., Bartoli O., Ferri F., Galli A., Ferrero S., Capizzi L.S., Liebske C., Remusant L. Poli S., Cesare B (2020) Anatectic melt inclusions in ultra‐high temperature granulites. JOURNAL OF METAMORPHIC PETROLOGY
    doi:10.1111/jmg.12567
    PDF download
  • Ferri F., Cesare B.*, Bartoli O., Ferrero S., Palmieri R., Remusant L. Poli S. (2020) Melt inclusions at MT. Edixon (Antarctica): Chemistry, petrology and implications for the evolution of the Lanterman range. LITHOS 374-375, 105685
    doi:10.1016/j.lithos.2020.105685
    PDF download
  • Tumiati S. , Tiraboschi C., Miozzi F., Vitale Brovarone A., Manning C.E., Sverjensky D.A., Milani S., Poli S. (2020) Dissolution susceptibility of glass-like carbon versus crystalline graphite in high-pressure aqueous fluids and implications for the behavior of organic matter in subduction zones. GEOCHIMICA ET COSMOCHINICA ACTA 273, 383-402.
    doi:10.1016/j.gca.2020.01.030
    PDF download
  • Vitale Brovarone A. E., Tumiati S. , Piccoli F., Ague J.J., Connolly J.A.D., Beyssac O. (2020) Fluid-mediated selective dissolution of subducting carbonaceous material: Implications for carbon recycling and fluid fluxes at forearc depths. CHEMICAL GEOLOGY 549, 119682.
    doi:10.1016/j.chemgeo.2020.119682
    PDF download
  • Carvalho B.B., Bartoli O., Cesare B., Tacchetto T., Gianola O., Ferri F., Aradi L.E., Szabo C.(2020) Primary CO2-bearing fluid inclusions in granulitic garnet usually do not survive. EARTH AND PLANETARY SCIENCE LETTERS 536, 116170.
    doi:10.1016/j.epsl.2020.116170
    PDF download
  • Cannaò E., Tiepolo M., Bebout, G.E. Scambelluri M. (2020) Into the deep and beyond: Carbon and nitrogen subduction recycling in secondary peridotites. EARTH AND PLANETARY SCIENCE LETTERS 543, 116328
    doi:10.1016/j.epsl.2020.116328
    PDF download
  • Campione M., La Fortezza M., Alvaro M., Scambelluri M., Malaspina N.* (2020) Commensurate Growth of Magnetite Microinclusions in Olivine under Mantle Conditions. ACS EARTH AND SPACE CHEMISTRY 4 (6), 825-830
    doi:10.1021/acsearthspacechem.0c00026
    PDF download
  • Pellegrino L., Malaspina N.*, Zanchetta S., Langone A., Tumiati S. (2020) High pressure melting of eclogites and metasomatism of garnet peridotites from Monte Duria Area (Central Alps, N Italy): A proxy for melt-rock reaction during subduction. LITHOS 358–359
    doi:10.1016/j.lithos.2020.105391
    PDF download
  • Cannaò E., Scambelluri M.*, Bebout, G.E., Agostini S., Pettke, T., Godard M., Crispini L. (2020) Ophicarbonate evolution from seafloor to subduction and implications for deep-Earth C cycling. CHEMICAL GEOLOGY 546, 119626
    doi:10.1016/j.chemgeo.2020.119626
    PDF download
  • Gilio M., Scambelluri M., Agostini S., Godard M., Pettke, T., Agard P., Locatelli M., Angiboust S. (2020) Fingerprinting and relocating tectonic slices along the plate interface: Evidence from the Lago Superiore unit at Monviso (Western Alps). LITHOS 352-353, 105308
    doi:10.1016/j.lithos.2019.105308
    PDF download
  • Pennacchioni G., Scambelluri M., Bestmann M. Notini L., Nimis P., Plumper O., Faccenda M., Nestola F. (2020) Record of intermediate-depth subduction seismicity in a dry slab from an exhumed ophiolite. EARTH AND PLANETARY SCIENCE LETTERS 548, 116490
    doi:10.1016/j.epsl.2020.116490
    PDF download
  • Alvaro M. , Mazzucchelli M.L., Angl R.J., Murri M., Campomenosi N., Scambelluri M., Nestola F., Korsakov A., Tomilenko A.A., Marone F., Morana M.(2020) Fossil subduction recorded by quartz from the coesite stability field. GEOLOGY 48, 24-28.
    doi:10.1130/ G46617.1
    PDF download
  • Campomenosi N. , Mazzucchelli M.L., Mihailova B.D., Angl R.J., Alvaro M. (2020) Using polarized Raman spectroscopy to study the stress gradient in mineral systems with anomalous birefringence. CONTRIBUTIONS TO MINERALOGY AND PETROLOGY 175, 16.
    doi:0.1007/s00410-019-1651-x
    PDF download
  • Murri M. , Domeneghetti M.C., Fioretti A.M., Nestola F., Vetere F., Perugini D., Pisello S., Faccenda M., Alvaro M. (2019) Cooling history and emplacement of a pyroxenitic lava as proxy for understanding Martian lava flows. SCIENTIFIC REPORT 9, 17051.
    doi:10.1038/s41598-019-53142-0
    PDF download
  • Cesare B., Nestola F., Johnson T., Mugnaioli E., Della Ventura G., Peruzzo L., Bartoli O.,Viti C., Erickson T. (2019) Garnet, the archetypal cubic mineral, grows tetragonal. SCIENTIFIC REPORT 9, 14672.
    doi:10.1038/s41598-019-51214-9
    PDF download

Communications at national and international meetings

GOLDSCHMIDT VIRTUAL 2020 (21 – 26 June 2020, Online)

Tumiati S., Recchia. L., Remusat C., Tiraboschi C., Sverjensky D.A., Poli S. "Dissolution of subducted ocean carbonates and organic matter controls the carbon isotopic signature of the mantle wedge"

Malaspina N., Campione. M., La Fortezza M., Scambelluri M. "Epitaxial mineral growth in fluid inclusions monitors redox equilibria in subducting ultramafic rocks"

EGU GENERAL ASSEMBLY 2020 (4 – 8 May 2020, Online)

Murri M., Domeneghetti M.C., Fioretti A. M., Nestola F., Vetere F., Perugini D., Pisello A., Faccenda M., Alvaro M. "Thermal history and emplacement mechanisms of Theo’s Flow lava: a proxy for Martian lava flows"

Pellegrino L., Malaspina N., Zanchetta S., Langone A., Tumiati S. "HP melting of eclogites and metasomatism of garnet peridotites in the Monte Duria area (Central Alps, N Italy): a proxy for the mafic crust-to-mantle mass transfer at subduction zones"

Zanchetta S., Menegon L., Pellegrino L., Tumiati S., Malaspina N. "Reaction-induced strain localisation in garnet pyroxenites during mantle corner flow: an example from the Ulten Zone (Eastern Alps, N Italy)"

AGU FALL MEETING 2019 (9 – 13 December 2019, San Francisco - USA)

Tumiati S. "Dissolution Susceptibility of Amorphous Carbon versus Crystalline Graphite in High-Pressure Aqueous Fluids"

Poli S., Tumiati S., Tiraboschi C., Ramusat L. "Decoupling between the carbon isotopic signature of CO2-bearing aqueous fluids and of their graphite+carbonate source at subarc depth"

Pellegrino L., Malaspina N., Zanchetta S., Tumiati S. "High pressure melting of eclogites and metasomatism of garnet peridotites from Monte Duria Area (Central Alps, N Italy): a proxy of focussed flow of adakite-like melts into the mantle at subduction zones"

Malaspina N., Campione. M., La Fortezza M., Alvaro M., Scambelluri M. "Epitactic mineral growth in fluid inclusions monitors redox equilibria in subducting ultramafic rocks"