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Types of Metamorphism: Low, Medium, and High P/T Series

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19 Questions

What type of metamorphism occurs when an igneous body intrudes and bakes adjacent rock?

Contact Metamorphism

At what pressure does Low P/T Metamorphism occur?

Less than 2 kilobars

What type of metamorphism mainly occurs in subduction zones?

Blueschist Metamorphism

The isochemical process by which rocks are changed by heat and pressure is known as:

Metamorphism

Which type of metamorphic rock forms from the metamorphism of limestone?

Marble

What is the measure of the stress or physical force applied to the surface of a material?

Pressure

At what pressure do Zeolite Metamorphism and Prehnite - Pumpellyite Metamorphism occur, respectively?

200 C and 3 kbar, 250 C and 5 kbar

Metamorphosed felsic rocks can transform into which type of metamorphic rock?

Gneiss

'Meta' means __________, and 'Morp' means __________.

'Change', 'Form'

'The higher the pressure, the greater the degree of metamorphism.' refers to the relationship between pressure and:

Degree of metamorphism

What is the main geological process responsible for the formation of tectonic pressure?

Regional metamorphism

At what temperature range does low-grade metamorphism take place?

200 - 320C

What type of metamorphism is commonly associated with convergent plate boundaries?

Regional metamorphism

Which type of rock texture is most often formed from mudstones and contains fine-grain minerals?

Foliated

What is the composition of a chemically active fluid involved in metamorphic processes?

Mostly water with dissolved ions

What is the main difference between foliated and non-foliated metamorphic rocks?

Foliated rocks have evidence of planar fabric, while non-foliated rocks do not.

Which geological process causes contact metamorphism?

Magma intrusion into existing rock

Which geological process is associated with the formation of mid-ocean ridges?

Sea floor spreading

What is the primary factor that increases the rate of metamorphic reactions?

Increase in temperature

Explore the different types of metamorphism including low P/T series, medium P/T series, and high P/T series, each forming specific mineral facies under certain pressure and temperature conditions. Learn about contact metamorphism and hydrothermal metamorphism within the low P/T series.

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