Table T1. Lithologic description of granular sediments.
| Sediment class |
Major modifiers |
Principal names |
Minor modifiers |
|---|---|---|---|
| Carbonate | 1. Composition of skeletal and neritic grains present in major amounts | 1. Mudstone | 1. Composition of skeletal grains present in minor amounts |
| 2. Wackestone | |||
| 2. Texture of clastic grains present in major amounts | 3. Packstone | 2. Texture of clastic grains present in minor amounts | |
| 4. Grainstone | |||
| 5. Floatstone | |||
| 6. Rudstone | |||
| 7. Boundstone | |||
| Siliciclastic | 1. Composition of all grains present in major amounts | 1. Gravel | 1. Composition of all grains present in minor amounts |
| 2. Grain fabric (gravels only) | 2. Sand | 2. Texture and composition of siliciclastic grains present as matrix (for coarse-grained clastic sediments) | |
| 3. Grain shape (optional) | 3. Silt | ||
| 4. Sediment color (optional) | 4. Clay, etc. |
Close | Next | Top of page