Table 7.10.

Bedding thickness terms

Sedimentological termsEngineering geological terms
Very thick beds>1000>2000Very thick beds
600–2000Thick beds
Thick beds30–1000200–600Medium beds
60–200Thin beds
Medium beds10–3020–60Very thin beds
6–20Thick laminae
Thin beds3–10
Very thin beds1–3
Thick laminae0.6–1
Medium laminae0.3–0.6<6Thin laminae
Thin laminae0.1–0.3
Very thin laminae<0.1
  • All dimensions in mm.