Sodium Silicates at the Boundary between the Transition Zone and the Lower Mantle: Compositional and Structural Patterns

[1]  L. Bindi,et al.  X-ray single-crystal structural characterization of Na2MgSiO4 with cristobalite-type structure synthesised at 22 GPa and 1800 °C , 2017, European Journal of Mineralogy.

[2]  O. Tschauner,et al.  Incorporation of high amounts of Na in ringwoodite: Possible implications for transport of alkali into lower mantle , 2016 .

[3]  L. Bindi,et al.  Phase relations and formation of chromium-rich phases in the system Mg4Si4O12–Mg3Cr2Si3O12 at 10–24 GPa and 1,600 °C , 2015, Contributions to Mineralogy and Petrology.

[4]  L. Bindi,et al.  Na-bearing majoritic garnet in the Na2MgSi5O12–Mg3Al2Si3O12 join at 11–20 GPa: Phase relations, structural peculiarities and solid solutions , 2013 .

[5]  S. Clark,et al.  Primary carbonatite melt from deeply subducted oceanic crust , 2008, Nature.

[6]  J. Konzett,et al.  Crystal structure of phase X, a high pressure alkali-rich hydrous silicate and its anhydrous equivalent , 2001 .

[7]  T. Stachel.  Diamonds from the asthenosphere and the transition zone , 2001 .

[8]  B. Wood,et al.  The effect of trace elements on the olivine-wadsleyite transformation , 1998 .

[9]  M. Fleet.  Sodium heptasilicate; a high-pressure silicate with six-membered rings of tetrahedra interconnected by SiO 6 octahedra; (Na 8 Si[Si 6 O 18 ]) , 1998 .

[10]  R. Hazen,et al.  Crystal chemistry of ferromagnesian silicate spinels: Evidence for Mg-Si disorder , 1993 .

[11]  F. Kaminsky.  Mineralogy of the lower mantle: A review of ‘super-deep’ mineral inclusions in diamond , 2012 .

[12]  Charles H Seibert.  Translated By , 2006 .

[13]  S. Sueno,et al.  Discovery of a NaPx–En inclusion in diamond: possible transition zone origin , 1996 .

[14]  W. McDonough,et al.  Chemical and isotopic systematics of oceanic basalts: implications for mantle composition and processes , 1989, Geological Society, London, Special Publications.