Podcast
Questions and Answers
What is the primary process involved in the formation of mountains?
What is the primary process involved in the formation of mountains?
- Weathering
- Sedimentation
- Erosion
- Orogenesis (correct)
Which type of subduction results in the formation of volcanic arcs?
Which type of subduction results in the formation of volcanic arcs?
- Transform Faulting
- Continental-Continental
- Oceanic-Oceanic
- Oceanic-Continental (correct)
How do rocks behave during the folding process in mountain formation?
How do rocks behave during the folding process in mountain formation?
- They bend or fold (correct)
- They melt and reshape
- They crack and break
- They erode away
What distinguishes a mountain from a mountain range?
What distinguishes a mountain from a mountain range?
Which of the following is NOT a type of folding mentioned in mountain building processes?
Which of the following is NOT a type of folding mentioned in mountain building processes?
Flashcards
Orogenesis
Orogenesis
The process of mountain formation.
Mountain range
Mountain range
A long chain of mountains.
Folding
Folding
A bend or fold in rock layers, often caused by compressional force.
Subduction
Subduction
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Andean Subduction
Andean Subduction
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Study Notes
Mountain Building
- Orogenesis is the overall process of mountain building
- A mountain range is a chain or series of mountains
- Mt. Everest is the highest mountain in the Himalayas
- Common mechanisms to form mountains include folding and subduction
Subduction
- Denser oceanic plate subducts beneath a warmer and less dense oceanic plate or continental plate
- Older, denser oceanic plate subducts beneath a younger, less dense oceanic plate
- This creates a chain of volcanoes (volcanic arcs)
Folding
- Mountains can form from folding, where layers of rock are compressed and bent
- Folding creates anticlines (upward folds) and synclines (downward folds)
- Folding can result in mountains that can be seen in volcanic arcs
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