RUSSIAN JOURNAL OF EARTH SCIENCES, VOL. 15, ES1004, doi:10.2205/2015ES000550, 2015


Table 9. Chemical Composition (wt %) of Titanomagnetite in Xenoliths From the Roca Negra Volcano
Component 1 2 3 4 5 6 7 8 9 10
$\mathrm{SiO_2}$ 0.39 0.50 0.70 0.41 0.38 - 0.57 - 0.44 0.39
$\mathrm{TiO_2}$ 9.81 6.42 7.58 7.46 21.28 2.92 2.80 0.66 1.06 1.76
$\mathrm{Al_2O_3}$ 6.80 6.89 6.86 6.86 12.45 10.71 6.29 21.55 22.13 8.99
FeO* 77.95 78.83 80.39 81.11 58.99 80.27 86.40 68.14 67.42 84.76
MnO - - - - - 0.61 - 0.53 - -
MgO 4.64 5.22 4.13 4.07 5.78 5.15 3.57 8.20 8.67 4.34
$\mathrm{Cr_2O_3}$ - - - - 0.88 0.83 - - - -

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Citation: Grachev A. F. (2015), Pyroxenite xenoliths in basalts of the Roca Negra volcano, Catalonia, Russ. J. Earth Sci., 15, ES1004, doi:10.2205/2015ES000550.


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