Sci CHP 11 Part 3: Contact & Regional Metamorphism

What is contact metamorphism?

• Contact metamorphism involves the chemical alteration of rocks by water.
• Contact metamorphism is caused by pressure from tectonic plates.
• Contact metamorphism is the process of metamorphic change in rocks due to heat from nearby molten material.
• Contact metamorphism occurs only in underwater environments.

Regional metamorphism commonly occurs during what?

• Weathering of rocks
• The formation of mountains

• Volcanic eruptions
• Sedimentary processes

Tags

NGSS.HS-ESS1-5

NGSS.HS-ESS2-1

In geology, what is the best definition of metamorphism?

• How previously-formed rocks are transformed into new rocks due to exposure to heat and/or pressure.

• The process of rock formation from magma.

• Refers to the weathering of rocks over time.

• The process of sedimentary rock becoming igneous.

Tags

NGSS.HS-ESS2-3

Which of the following is TRUE of regional metamorphism?

• It occurs only in small, localized areas.
• It requires low pressure and temperature conditions.
• It is primarily caused by volcanic activity.
• Rocks change due to heat and pressure over a wide region.

Which type of metamorphism is more likely to take place over a wide area?

• Regional metamorphism
• Shock metamorphism
• Hydrothermal metamorphism
• Contact metamorphism