Figure F46. Abundance of TiO2 and Zr vs. MgO content for eruption Units I, II, IV, and VII. The lines with arrows are olivine control lines for an olivine composition of 70% forsterite.

Figure F46. Abundance of TiO₂ and Zr vs. MgO content for eruption Units I, II, IV, and VII. The lines with arrows are olivine control lines for an olivine composition of 70% forsterite.