G100: Earth Revealed

Start by entering your name and the episode. Then, based upon the video, respond to the following topics. When you are happy with your answers, select "Submit Assignment" to send the file to me.

 

Please include the Course, Episode number, and your name in the Subject of your email (G100: Ep. X - Last Name).

 

 

Episode 18: Metamorphic Rocks

 

The questions for those who want to copy into Word:

1. What is a protolith, and why are there so many different types of metamorphic rocks?

2. What is foliation? What causes it, how do you recognize it, and how can it make the rock unstable at the surface?

3. What are the differences between contact and regional metamorphism? Describe each in detail.

4. Discuss subduction and the creation of blueschist.

5. Why are most metamorphic rocks associated with plate boundaries. Give at least two examples to support your discussion.

 

 

For those using the "fill-in-the-form" method:

 

 

Your Name

 

Episode

 

What is a protolith, and why are there so many different types of metamorphic rocks?

 

What is foliation? What causes it, how do you recognize it, and how can it make the rock unstable at the surface?

 

What are the differences between contact and regional metamorphism? Describe each in detail.

 

Discuss subduction and the creation of blueschist.

 

Why are most metamorphic rocks associated with plate boundaries. Give at least two examples to support your discussion.

 

 

 

You are GeoManiac number since April 1, 1997