| Order | Type | Group | Form-ati | Member | Description | Upper | Lower | Basin |
| By No. | on | Age | Age |
| 2989.0 | SED | CM | CMMI | ALLN | Allen Sandstone | CB | SPE |
| 2990.0 | PRST | Priest Sandstone |
| 2991.0 | UPRS | Upper Priest Sandstone |
| 2992.0 | LPRS | Lower Priest Sandstone |
| 2993.0 | DUD | Dud Sandstone |
| 2994.0 | STWL | Sitwell Rock |
| 2995.0 | KENC | Kent Thick Coal | GAI |
| 2996.0 | SMUT | Main Smut Coal | SPE |
| 2997.0 | COOM | Coombes Coal |
| 2998.0 | SWAL | Swallow Wood Coal |
| 2999.0 | WLOO | Waterloo Coal |
| 3000.0 | TBRK | Top Bright Rock | EMSH |
| 3001.0 | LLBR | Top Bright Coal Lower Leaf |
| 3002.0 | LOBR | Low Bright Coal | SPE |
| 3003.0 | BRIC | Brinsley Coal |
| 3004.0 | HAZL | High Hazles Coal |
| 3005.0 | CIND | Cinderhill Coal |
| 3006.0 | DSIL | Dunsil Coal |
| 3007.0 | ELLR | Ell Rock | EMSH |
| 3008.0 | ELLC | Ell Coal | SPE |
| 3009.0 | OAKR | Oakes Rock | EMSH |
| 3010.0 | CCRK | Clay Cross Rock | SPE |
| 3011.0 | WOOL | Woolley Edge Rock | EMSH |
| 3012.0 | CCMB | Clay Cross Marine Band | SPE |
| 3013.0 | VAND | Vanderbeckei Marine Band |
| 3014.0 | HGMB | Haughton Marine Band | EMSH |
| 3015.0 | MAIC | Main Coal | NPE |
| 3016.0 | MURD | Murdoch Sandstone | SONS |
| 3017.0 | 1WLC | First Waterloo Coal | CC | EMSH |
| 3018.0 | LWLC | Low Waterloo Coal |
| 3019.0 | 1ELC | First Ell Coal |
| 3020.0 | THDC | Top Hard Coal |
| 3021.0 | CLMB | Clowne Marine Band |
| 3022.0 | 2ELC | Second Ell Coal |
| 3023.0 | 3WLC | Third Waterloo Coal |
| 3024.0 | KILN | Kilnhurst Coal |
| 3025.0 | 1HHC | First High Hazels Coal | CB | EMSH |
| 3026.0 | 2HHC | Second High Hazels Coal |
| 3027.0 | MKMC | Markham Coal |
| 3028.0 | 1SWC | First Swallow Wood Coal |
| 3029.0 | 2SWC | Second Swallow Wood Coal |
| 3030.0 | HMRC | Haigh Moor Coal |
| 3031.0 | WLC1 | First Wales Coal | CP |
| 3032.0 | WLC2 | Second Wales Coal |
| 3033.0 | WLC3 | Third Wales Coal |
| 3034.0 | WLC4 | Fourth Wales Coal |
| 3035.0 | KTCU | Kents Thick Coal Upper Leaf | CB |
| 3036.0 | KTCL | Kents Thick Coal Lower Leaf |
| 3037.0 | 2WLC | Second Waterloo Coal |
| 3038.0 | MORL | Morley Muck | CA |
| 3039.0 | ACKR | Ackworth Rock | CP |
| 3040.0 | SNDF | Sandstone F |
| 3041.0 | SNDG | Sandstone G |
| 3042.0 | SNDH | Sandstone H |
| 3043.0 | HIMH | High Main Horizon |
| 3044.0 | TFMB | Two Foot Marine Band | CB |
| 3045.0 | PLCH | Pulchella Coal |
| 3046.0 | SMT1 | First Main Smut Coal |
| 3047.0 | SMT2 | Second Main Smut Coal |
| 3048.0 | 4WLC | Fourth Waterloo Coal |
| 3049.0 | 1ELR | First Ell Rock |
| 3050.0 | 2ELR | Second Ell Rock |
| 3051.0 | WICB | Base Wickersley Rock | CP |
| Page 49 of 60 | 07/07/2004 |