Metamorphic Rock

As the rock is burred deeper in the crust, _____ as well as heat increases on the rock.

• mantle
• pressure
• texture

Rocks that form from other rocks that changed due to high temperature and high pressure.

• Igneous
• Metamorphic 
• Sedimentary

Metamorphic rocks form when...

• magma hardens into metamorphic rock
• wind, rain, and snow turn lava into metamorphic rock
• heat and pressure inside the Earth change existing rock into new, different rock

metamorphic rock in which mineral grains are not arranged in planes or bands

• foliated
• nonfoliated
• pressure
• recrystallization

metamorphic rock in which mineral grains are arranged in bands

• pressure
• deformation
• foliated
• regional metamorphism

When a metamorphic rock does not have layers, it is said to be _________________.

• Nonfoliated
• Foliated

Which texture best describes the rock above?

• porphyritic 
• nonfoliated
• foliated
• clastic

• Marble
• Gneiss
• Slate
• Gneiss

• Slate
• Hornfels
• Anthracite Coal
• Phyllite

• Phyllite
• Quartzite
• Gneiss
• Slate