Geology: Geological Processes

Question 1

What are the main geological processes?

Answer 1

1. Landslides – Occur in mountainous regions like the Alps.
2. Volcanoes – Examples include Teide (Tenerife) and Krakatoa (Indonesia).
3. Erosion by Ice – Seen at Lake Garda, Italy.
4. Erosion by Water – Example: Niagara Falls.
5. Erosion by Wind – Example: Grand Canyon.
6. Sedimentation – Deposition of sand and clay over time.

Question 2

What causes earth sliding (landslides)?

Answer 2

• Heavy rainfall weakening soil.
• Earthquakes causing soil displacement.
• Deforestation reducing root stability.