Plateaus: Definition and Formation

A plateau is a flat, elevated landform that rises sharply above the surrounding area on at least one side. Plateaus can be found on every continent and vary in size from small, isolated formations to extensive, continent-sized plateaus.

Formation of Plateaus

Plateaus are formed through a variety of geological processes, including:

• Volcanic Activity: Some plateaus are formed by the accumulation of lava flows from volcanic eruptions.
• Uplift and Erosion: Plateaus can also be formed through the uplift of the Earth's crust and subsequent erosion by wind, water, and ice.
• Folding and Faulting: Tectonic forces can cause the Earth's crust to fold and fault, creating plateaus in the process.

Types of Plateaus

There are several types of plateaus, each with its own unique characteristics:

Dissected Plateaus

Dissected plateaus are characterized by deep, steep-sided valleys and gorges that have been eroded into the plateau surface over time.

Lava Plateaus

Lava plateaus are formed by the accumulation of multiple layers of solidified lava flows, often resulting from volcanic activity.

Piedmont Plateaus

Piedmont plateaus are found at the base of a mountain range and are formed as a result of the deposition of sediment eroded from the mountains.

Study Guide: Plateaus

Key Concepts

1. Define a plateau and explain how it differs from other landforms.
2. Identify and describe the main processes involved in the formation of plateaus.
3. Compare and contrast the different types of plateaus, including dissected plateaus, lava plateaus, and piedmont plateaus.

Review Questions

1. What geological processes can lead to the formation of plateaus?
2. How do dissected plateaus differ from lava plateaus?
3. Where are piedmont plateaus typically found, and how are they formed?

By understanding the formation and characteristics of plateaus, you can gain a deeper appreciation for the diverse and dynamic nature of Earth's surface.

[Plateaus] Related Worksheets and Study Guides:

• Landforms, Rocks and soilScience • Fifth Grade
• Geographic InformationSocial Studies • Third Grade
• Earth's SurfaceEarth Science • High School
• Continents and OceansSocial Studies • Third Grade