Draw the Alkemades lines and form the crystallization triangles.

CaO-SiO2-MgO ternary phase diagram is given in Figure 1. SIO2 10 90 Liquidus Surface 20 80 Cristobalite 30 Tridymite 70 5% Cao Mass % 60 MgSio, Pseudowollastonite 40 1500 Mass % 50 40 Protoenstatite Wollastonite Diopside Casio, Camasi,o,, Forstafte 50 Akermante 1pdo Rankinite 1750 Ca, MgSi,O, Monticellite Ca,Sixo Hondharvinite. 178 Sallysio Ca sio slu Tave Ca MgSi, 1950 70 2906 Ja,sia Casio, 1100 Mg,sio, 60 40 30 80 Periclase 20 90 2100 Lime 10 10 20 30 40 50 60 70 80 90 Mgo Mass % Moo Figure 1. Cao-SiO2-MgO ternary phase diagram