boulder

  1. Home
  2. top of the aat hierarchies
  3. Materials Facet
  4. Materials (hierarchy name)
  5. materials (substances)
  6. [materials by composition]
  7. inorganic material
  8. rock (inorganic material)
  9. [rock by form]
  10. boulder
Scope note
The largest rock fragment recognized by sedimentologists, a boulder is a detached rock mass larger than a cobble, having a diameter greater than 256 mm (10 in.).
boulder
Accepted term: 18-Nov-2024