Experimental study of the pyroxene-garnet phase transition in the Na2MgSi5O12 system at pressures of 13–20 GPa: First synthesis of sodium majorite

[1]  J. Konzett,et al.  X-ray diffraction and Raman spectroscopic study of clinopyroxenes with six-coordinated Si in the Na(Mg0.5Si0.5)Si2O6-NaAlSi2O6 system , 2009 .

[2]  K. Litasov,et al.  Phase relations in the peridotite–carbonate–chloride system at 7.0–16.5 GPa and the role of chlorides in the origin of kimberlite and diamond , 2009 .

[3]  H. Kojitani,et al.  Phase relations on the diopside–jadeite–hedenbergite join up to 24 GPa and stability of Na-bearing majoritic garnet , 2008 .

[4]  L. Bindi,et al.  Phase relations and formation of sodium-rich majoritic garnet in the system Mg3Al2Si3O12–Na2MgSi5O12 at 7.0 and 8.5 GPa , 2008 .

[5]  J. Parise,et al.  Structure of a new Al-rich phase, [K, Na]0.9[Mg, Fe]2[Mg, Fe, Al, Si]6O12, synthesized at 24 GPa , 2000 .

[6]  R. Reeder,et al.  Composition, stability, and structure of a new member of the aenigmatite group, Na2Mg4+xFe3+2-2x Si6+xO20 , synthesized at 13–14 GPa , 1999 .

[7]  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 .

[8]  J. Parise,et al.  Stability and structure of new high-pressure silicate, Na (sub 1.8) Ca (sub 1.1) Si 6 O 14 , 1995 .

[9]  M. Fleet,et al.  Sodium trisilicate: A new high-pressure silicate structure (Na2Si[Si2O7]) , 1995 .

[10]  A. E. Ringwood,et al.  Phase transformations and their bearing on the constitution and dynamics of the mantle , 1991 .

[11]  T. Gasparik.  Transformation of enstatite — diopside — jadeite pyroxenes to garnet , 1989 .

[12]  R. Hazen,et al.  A silica-rich sodium pyroxene phase with six-coordinated silicon , 1988, Nature.

[13]  Don L. Anderson,et al.  Chemical stratification of the mantle , 1979 .

[14]  N. Sobolev,et al.  Isomorphic sodium admixture in garnets formed at high pressures , 1971 .