- Boulders are the largest category of sediment particles, with a diameter greater than 256 millimeters. Compare with sand and pebbles.
- Boulders can range in size from a few tens of centimeters to several meters in diameter.
- They are typically found in areas of significant geological activity, such as glacial moraines, river valleys, and areas affected by landslides.
- Boulders can be composed of various rock types, including granite, limestone, and basalt.
- Due to their large size, boulders play a role in shaping landscapes, such as forming obstacles in rivers or creating distinctive landforms.
- In construction and landscaping, boulders can be used as decorative elements or as structural features.