----igneous rocks---

BASALT
COLOUR: grey/black
TEXTURE: fine-grained
FORMATION: formed when lava spreads out across the earths surface and then cools and hardens

GRANITE
COLOUR: range of colurs including black, grey, pink and cream
TEXTURE: fine-grained
FORMATION: it is formed when lava pushes its way into the crust and cools and hardens under the surface