Documents Igneous Rocks I.G.Kenyon. Definition of Igneous Derived from the latin ‘ignis’ meaning fire...

Slide 1 Igneous Rocks I.G.Kenyon Slide 2 Definition of Igneous Derived from the latin ‘ignis’ meaning fire Formed by the cooling and solidification of molten lava or…

Documents THE LANGUAGE OF THE EARTH – PART I IGNEOUS ROCKS.

Slide 1 THE LANGUAGE OF THE EARTH – PART I IGNEOUS ROCKS Slide 2 Average composition of the Earth’s Crust (by weight, elements, and volume) Slide 3 MANTLE SiO 2 – 45%…