Metamorphic Rock Chapter 4 Section 4

Metamorphic Rock Rock that has changed its form Change is caused by heat and pressure Changes can occur in the rock’s: - appearance - texture - crystal structure - mineral content

Types of Metamorphic Rock Types are classified according to the arrangement of the grains

Types of Metamorphic Rock Foliated – contain layers or bands Rocks split along bands Granite changes to Gneiss Shale changes to Slate

Types of Metamorphic Rock Nonfoliated – mineral grains are random rocks do not split along bands Sandstone changes to Quartzite Limestone changes to Marble

Uses Marble and Slate are the most useful Buildings Statues Walkways blackboards