Articles | Volume 34, issue 1
Eur. J. Mineral., 34, 109–129, 2022

Special issue: Probing the Earth: experiments and mineral physics at mantle...

Eur. J. Mineral., 34, 109–129, 2022
Research article
16 Feb 2022
Research article | 16 Feb 2022

Melt–rock interactions in a veined mantle: pyroxenite–peridotite reaction experiments at 2 GPa

Giulio Borghini et al.

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Melting relations of anhydrous olivine-free pyroxenite Px1 at 2 GPa
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Cited articles

Allègre, C. J. and Turcotte, D. L.: Implications of a two-component marble-cake mantle, Nature, 323, 123–127, 1986. 
Bodinier, J.-L. and Godard, M.: Orogenic, ophiolitic and abyssal peridotites, in: Treatise on Geochemistry, Vol. 2, 2nd Edn., Holland, H. D. and Turekian, K. K., Elsevier Science, Oxford, UK, 2014. 
Bodinier, J.-L., Guiraud, M., Fabries, J., Dostal, J., and Dupuy, C.: Petrogenesis of layered pyroxenites from the Lherz, Freychinede and Prades ultramafic bodies (Ariege, French Pyrenees), Geochim. Cosmochim. Ac., 51, 279–290, 1987a. 
Bodinier, J.-L., Fabries, J., Lorand, J.-P., Dostal, J., and Dupuy, C.: Geochemistry of amphibole pyroxenite veins from the Lherz and Freychinede ultramafic bodies (Ariege, French Pyrenees), B. Mineral., 110, 345–358, 1987b. 
Bodinier, J.-L., Vasseur, G., Vernieres, J., Dupuy, C., and Fabries, J.: Mechanisms of mantle metasomatism: geochemical evidence from the Lherz orogenic peridotite, J. Petrol., 31, 597–628, 1990. 
Short summary
The mineralogical and chemical heterogeneity of the mantle is poorly known because it is not able to be directly investigated. Melt–peridotite interaction processes play a fundamental role in controlling the mantle composition. The results of our reaction experiments help us to evaluate the role of temperature and melt composition in the modification of the mantle through the interaction with pyroxenite-derived melts with implications for the evolution of a veined mantle.