Consolidated substrata where individual particles are between 4.096 -1049 m in any dimension and account ≥ 80 % of the consolidated surface/composition.
Level 4 definitions
- Block: A megaclast-dominated substratum where ≥ 80 % of the clasts are between 4.1 – 65.5 m in any dimension.
- Slab: A megaclast-dominated substratum where ≥ 80 % of the megaclasts are between 65.5 – 1049 m in any dimension.
