Overview
Continental shields are ancient, stable regions of the Earth's crust that have been shaped by various geological processes over millions of years. They serve as the foundation for continents and are primarily composed of crystalline rocks. Understanding the evolution of these shields is crucial for ...
Key Terms
Example: The Canadian Shield is a well-known example.
Example: Rivers can cause erosion by carrying away soil.
Example: Sedimentation occurs in river deltas.
Example: Plate tectonics can cause earthquakes.
Example: The Mesozoic era is part of the geological time scale.
Example: Chemical weathering can change the composition of rocks.