OR/16/020 Appendix 1
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| Loveless, S, and Smith, N. 2016. Summary of potential oil and gas formations in England for use in groundwater vulnerability assessments. British Geological Survey Internal Report, OR/16/020. |
Lithological codes used in the GVS, see Table 1.
| Lithology code | Lithological description |
| SDSL | Sandstone, siltstone |
| MDSS | Mudstone, siltstone and sandstone |
| LMSD | Interbedded limestone and mudstone |
| LMCS | Limestone and calcareous sanstone |
| MDST | Mudstone |
| SLAR | Sandstone, limestone and argillaceous rocks |
| SDLI | Sandstone, limestone and ironstone |
| MSLS | Mudstone, siltstone, limestone and sandstone |
| SDST | Sandstone |
| SDSM | Sandstone, siltstone and mudstone |
| DLDO | Dolomitised limestone and dolomite |
| SCON | Interbedded sandstone and conglomerate |
| SISDM | Siltstone and sandstone with subordinate mudstone |
| MSCI | Mudstone, siltstone, sandstone, coal, ironstone |
| MDSD | Mudstone and sandstone interbedded |
| LSSA | Mudstone with subordinate sandstone and argillaceous rocks |
| LMST | Limestone |
| LSSM | Limestone, sandstone, siltstone and mudstone |