Pearson 8.4 Review Questions

Which best fits the definition for: TECTONIC PLATES

• process where rock is altered mostly by heat

• massive structures that make up the Earth’s crust

• folding or sliding different parts of the rock formation

Which best fits the definition for: SHEARING

• process where rock is altered mostly by heat

• massive structures that make up the Earth’s crust

• folding or sliding different parts of the rock formation

Which best fits the definition for: CONTACT METAMORPHISM

• process where rock is altered mostly by heat

• massive structures that make up the Earth’s crust

• folding or sliding different parts of the rock formation

What is the best definition for: foliation

• the process where rock is transformed mainly by pressure

• sideways movement of parts within a rock

• the banding that is found in some metamorphic rocks

What is the best definition for: dynamic metamorphism

• the process where rock is transformed mainly by pressure

• sideways movement of parts within a rock

• the banding that is found in some metamorphic rocks

What two gemstones are sometimes found in metamorphic rocks

• Rose quartz

• Garnet

• Diamond

• Emerald

What two types of metamorphic rocks can slate turn into?

• Schist

• Basalt

• Shale

• Gneiss

What layer of the Earth do metamorphic rocks form in?

• Crust

• Mantle

• Inner Core

• Outer core

What two processes are involved in forming metamorphic rocks?

• Location

• Heat

• Water removal

• Pressure

• Mineral composition

What three changes can occur in rocks as the metamorphose?

• Water is squeezed out of the rock.

• Crystals can melt and then reform into crystals of new minerals (recrystallisation).

• Rocks can become more brittle.

• Crystals can grow into flattened sheets.

• Bands of different minerals form when crystals are squashed flat by forces in the Earth while they are hot.