Metamorphic Rocks and Processes

The video explains the three types of rocks on Earth: sedimentary, igneous, and metamorphic. It details how metamorphic rocks form through heat and pressure, without melting into magma, and describes two processes: regional and contact metamorphism. Examples include limestone transforming into marble and granite into gneiss. The video concludes with credits and additional resources.

What are the three main types of rocks found on Earth?

• Sedimentary, Igneous, Metamorphic

• Igneous, Volcanic, Sedimentary

• Metamorphic, Sedimentary, Volcanic

• Igneous, Sedimentary, Fossil

How do sedimentary rocks typically form?

• By cooling and hardening of magma

• By pressing and gluing of small rock pieces

• By melting into magma

• By changing appearance under pressure

What does the term 'metamorphic' mean?

• Change of size

• Change of color

• Change of temperature

• Change of shape

What is regional metamorphism?

• Change due to water erosion

• Change due to burial under heavy layers

• Change due to magma contact

• Change due to volcanic activity

Where does contact metamorphism typically occur?

• In the upper atmosphere

• In desert regions

• At tectonic plate boundaries

• In the ocean

What metamorphic rock does limestone transform into?

• Slate

• Granite

• Marble

• Gneiss

Which igneous rock changes into gneiss?

• Basalt

• Granite

• Limestone

• Sandstone

What do geologists study in metamorphic rocks to determine the original rock type?

• Chemical composition

• Rock size

• Color patterns

• Crystal shapes