Petrology Chapter 4 Gautam Sen
Feb 23, 2016
Petrology Chapter 4Gautam Sen
Ternary Diagram
Equilibrium Crystallization
Equilibrium Melting
Fractional Crystallization
Fractional Melting
Di-An-Fo “System”
Di-An-Ab at 1 atm
Di-An-Ab: Equilibrium Crystallization
Equilibrium Crystallization - 2
Di-Fo-SiO2 “system” at 1 atm
Di-Fo-An-SiO2Tetrahedron
Di-Fo-SiO2: Equil. Crystall.
EquilibriumCrystallization
FractionalCrystallization
Equilibrium melting
FractionalMelting
An-Fo-SiO2
Di-Fo-SiO2at low tohigh pressures
3-phase triangle
Di-Fo-SiO2under 2 GPaPH2O
Carbonated lherzolite melting
CMS-CO2 @ 2 and 3 GPa
2 GPa
3 GPa
Changing melt composition from solidus to liquidus of a haploperidotite