Fold (geology)

High school (ages 12+)
Geography

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/fold-geology

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the deformation type?Permanent bending or curving of originally planar geological surfaces
2. What is the primary formation mechanism?Compressional stress leading to buckle folding, fault-bend folding, or fault-propagation folding
3. What is a fold in geology?A fold is when layers of rock bend or curve, like a noodle, caused by pressure.
4. How do rocks make folds?When rocks are squeezed by forces, they can bend if they are deep or warm; otherwise they may crack.

Orogenic Zones: Regions of the Earth's crust where mountain-building processes occur, often due to plate collisions.
Lithology: The physical characteristics of a rock, such as its composition, texture, and structure.
Strain Rate: The speed at which a rock deforms under stress over time.