Table 3

Compositions of Hawaiian xenolith olivine and orthopyroxene by EPMA

Sample68-551-2069-SAL-4169-SAL-5669-SAL-57
NMNH catalog no.114885-3 114923-41 114923-56 114923-57
PhaseOlivineOrthopyroxeneOlivineOrthopyroxeneOlivineOrthopyroxeneOlivineOrthopyroxene
n10101010891010
SiO240.6(4)55.40(28)40.3(4)54.5(5)40.03(24)54.0(4)40.74(29)55.6(4)
TiO2n.d.0.025(11)n.d.0.112(14)n.d.0.160(14)n.d.0.056(19)
Al2O3n.d.2.66(11)n.d.4.77(18)n.d.5.3(4)n.d.3.31(14)
Cr2O3n.d.0.74(5)n.d.0.42(4)0.013(12)0.41(6)n.d.0.66(4)
FeO*8.89(7)5.70(7)9.75(5)6.20(5)10.12(6)6.499(17)8.53(4)5.50(4)
MnO0.136(19)0.141(15)0.149(15)0.148(23)0.134(12)0.162(29)0.131(18)0.149(16)
MgO50.0(3)33.07(25)49.38(20)32.66(25)48.78(24)31.95(5)50.9(4)34.01(18)
CaO0.033(8)2.0(4)0.040(5)0.70(9)0.059(8)0.85(18)0.042(9)0.73(6)
Na2On.d.n.d.n.d.0.135(22)n.d.0.133(18)n.d.0.088(10)
K2On.d.n.d.n.d.n.d.n.d.n.d.n.d.n.d.
NiO0.39(4)0.103(25)0.360(27)0.096(14)0.35(4)0.107(29)0.39(3)0.082(23)
  Total100.0100.099.999.799.4999.5100.7100.2
  • Note: FeO* is total Fe calculated as FeO.