Why does this boulder appear to be bent and folded?

A large boulder with swirls and striations making it appear to be folded.

Phenomenon Description: 
A large boulder looks as if it has been bent and folded.
Location: 
Buncombe
Grade Level or Course:
Grade 4
Question: 
Why does this boulder appear to be bent and folded?
Crosscutting Concept: 
Cause and Effect: Mechanism & Explanation
Science Domain: 
Earth and Space Science
NC Standard:
ESS.4.2 Understand patterns of change in the Earth's surface over time.
NC Objective:
ESS.4.2.2 Carry out investigations to classify rocks as metamorphic, sedimentary, or igneous based on their composition, how they are formed, and the processes that create them.
 

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