Table T1.
Outline of granular sediment classification scheme.
2. Size and shape of clastic
2. Chalk
3. Limestone
4. Radiolarite
6. Spiculite
7. Chert
2. Size and shape of clastic
2. Grain shape (optional).
2. Sand
4. Clay
2. Size and shape and composition
2. Composition of all pelagic
2. Lapilli
2. Composition of all pelagic
Sediment class
Major modifier
Principal name
Minor modifier
Pelagic sediment
1. Composition of pelagic
grains present in major
amounts.
grains present in major
amounts.
1. Ooze
1. Composition of pelagic
grains present in minor
amounts.
grains present in minor amounts.
Siliciclastic sediment
1. Composition of all
grains
present in major amounts.
1. Gravel
1. Composition of all
grains
present in minor amounts.
of siliciclastic grains present as
matrix (coarse-grained clastic
sediments only).
Volcaniclastic sediment
1. Composition of volcani-
clasts present in major
amounts.
grains present in major
amounts.
siliciclastic grains present
in major amounts.
1. Breccia
1. Composition of all
volcani-
clasts present in minor amounts.
grains present in minor amounts.
grains present in minor amounts.
Note : This table is also available in ASCII format.