RUSSIAN JOURNAL OF EARTH SCIENCES, VOL. 14, ES2002, doi:10.2205/2014ES000540, 2014

Table 1. Whole-Rock Composition (wt. %) of the Mantle Xenoliths From Basalts
1 2 3 4 5 6 7 8 9
SiO$_2$ 46.70 45.70 44.90 45.10 45.30 45.37 45.10 47.40 49.30
TiO$_2$ 0.10 0.04 0.05 0.02 0.04 0.13 0.03 0.46 0.10
Al$_2$O$_3$ 4.50 3.50 3.55 1.30 3.05 3.76 1.20 3.45 1.55
FeOt 8.29 8.75 8.48 8.49 8.17 8.14 8.41 6.64 7.59
MnO - - - - - 0.18 - 0.15 0.18
MgO 36.13 38.35 39.14 44.29 40.38 36.86 43.46 17.97 26.58
CaO 2.07 2.34 2.39 0.36 1.55 3.00 0.51 12.47 13.38
Na$_2$O 0.17 0.10 0.05 0.13 0.17 0.22 0.05 0.95 0.15
K$_2$O 0.13 0.05 0.05 0.05 0.05 0.04 0.05 0.17 0.05
P$_2$O$_5$ 0.07 0.07 0.07 0.07 0.07 0.02 0.07 0.07 0.07
Total 98.16 98.90 98.68 99.81 98.77 98.71 98.88 99.72 98.95
10 11 12 13 14 15 16 17 18
SiO$_2$ 44.40 49.00 42.30 42.00 44.80 44.30 45.10 45.96 45.83
TiO$_2$ 0.40 1.06 0.54 0.44 1.70 2.06 1.86 0.18 0.20
Al$_2$O$_3$ 6.05 5.65 3.30 3.25 7.85 9.85 9.15 4.06 5.29
FeOt 13.16 11.81 14.73 16.02 10.33 9.81 7.87 7.54 8.90
MnO 0.19 0.23 0.22 0.24 0.14 0.18 0.13 0.13 0.13
MgO 23.27 14.31 30.46 30.81 16.56 13.16 13.36 37.78 35.51
CaO 10.69 16.42 6.20 4.73 14.56 15.77 17.74 3.21 4.01
Na$_2$O 0.85 0.75 0.45 0.27 0.85 1.57 1.10 0.33 0.12
K$_2$O 0.05 0.17 0.05 0.05 0.10 0.18 0.18 0.03 0.06
P$_2$O$_5$ 0.11 0.07 0.08 0.08 0.14 0.18 0.11
Total 99.17 99.47 98.33 97.99 97.03 97.06 97.40
Note: 1-9 - Kastek, 10-16 - Uchkydyk, 17 - primitive mantle [Zindler and Hart, 1986], 18 - the same [Grachev, 1999].

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Citation: Grachev A. F., P. V. Ermolov, Yifen Wang (2014), Modification of the lithospheric mantle during the early activity of a cenozoic plume in the North Tien Shan: Evidence from mantle xenoliths in basalts, Russ. J. Earth Sci., 14, ES2002, doi:10.2205/2014ES000540.
 

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