| 1-2-1 Fine to medium grained smooth sediment |
| 1-2-2 Mixed smooth sediment and rock |
| 1-2-3 Rock and boulders, rugose |
| 1-2-4 Rugged anthropogenic |
| 1-3-1 Fine to medium grained smooth sediment |
| 1-3-2 Mixed smooth sediment and rock |
| 1-3-3 Rock and boulder, rugose |
| 1-3-4 Rugged anthropogenic |
| 1-4-1 Fine to medium grained smooth sediment |
| 1-4-2 Mixed smooth sediment and rock |
| 1-4-4 Rugged anthropogenic |
| 2-3-1 Fine to medium grained smooth sediment |
| 2-3-2 Mixed smooth sediment and rock |
| 2-3-3 Rock and boulder, rugose |
| 2-3-4 Rugged anthropogenic |
| 2-4-1 Fine to medium grained smooth sediment |
| 2-4-2 Mixed smooth sediment and rock |
| 2-4-3 Rock and boulder, rugose |
| 2-4-4 Rugged anthropogenic |