MANTLE Flashcards
1
Q
mantle composition
A
2,900km
composed of iron-rich rock peridotite, 40% silica
top layer is liquid while deep bottom is solid, ductile under stress
GEOLOGY - EARTH'S STRUCTURE > MANTLE > Flashcards
mantle composition
2,900km
composed of iron-rich rock peridotite, 40% silica
top layer is liquid while deep bottom is solid, ductile under stress