Lithofacies Code | Lithology | Sedimentary Structures | Interpretation |
Sm | Very fine- to medium-grained sandstone | Massive | Rapid deposition (or homogeneous sediments) |
Smg, Smi | Very fine- to medium-grained sandstone | Massive, normally graded (g) or inversely graded (i) | Fallout from suspension |
Sl | Very fine- to medium-grained sandstone | Planar laminated | Upper plane bed sands |
Sr | Very fine- to fine-grained sandstone | Rippled laminated | Lower flow regime ripples |
Sh | Very fine- to medium-grained sandstone | Hummocky stratification | Storm deposits |
SSm | Fine- to medium-grained siltstone | Massive | Rapid deposition (or homogeneous sediments) |
SSmg, SSmi | Fine- to medium-grained siltstone | Massive, normally graded (g) or inversely graded (i) | Fallout from suspension |
SSl | Very fine- to fine-grained siltstone | Planar laminated | Upper plane bed silts |
SSMl | Heterolithic siltstone-clayshale rhythmites | Planar laminated | Hemipelagites |
Ml | Mudstone | Planar laminated | Fallout from suspension |
Mm | Mudstone | Massive | Rapid deposition (or homogeneous sediments) |
Mmc | Mudstone | Massive, with concretions | Pre-compaction concretions |
Cl | Claystone | Planar laminated | Fallout from suspension |
Cm | Claystone | Massive | Rapid deposition (or homogeneous sediments) |