| Order | Type | Group | Form-ati | Member | Description | Upper | Lower | Basin |
| By No. | on | Age | Age |
| 3241.0 | SED | CM | CMLO | SKRB | Base Silkstone Rock | CA | EMSH |
| 3242.0 | ESTB | Base Estheria Marine Band |
| 3243.0 | 1PIB | Base First Piper Coal |
| 3244.0 | SILL | Sill |
| 3245.0 | SILB | Base Sill |
| 3246.0 | TUPE | Tupton Rock Equivalent |
| 3247.0 | TPRB | Base Tupton Rock Equivalent |
| 3248.0 | TPCB | Base Tupton Coal |
| 3249.0 | YDBL | Yard/Blackshale Coal |
| 3250.0 | YBLB | Base Yard/Blackshale Coal |
| 3251.0 | MCKB | Base Mickley Rock |
| 3252.0 | PKCB | Base Parkgate Rock |
| 3253.0 | KILB | Base Kilburn Coal |
| 3254.0 | LOXE | Loxley Edge Equivalent |
| 3255.0 | LOXB | Base Loxley Edge Equivalent |
| 3256.0 | CLOD | Clod Coal |
| 3257.0 | CLOB | Base Clod Coal |
| 3258.0 | 1KLB | Base First Kilburn Rock |
| 3259.0 | 2KLB | Base Second Kilburn Rock |
| 3260.0 | AMAB | Base Amaliae Marine Band |
| 3261.0 | LXEB | Base Loxley Edge Rock |
| 3262.0 | SASB | Base Sub-Alton Sandstone |
| 3263.0 | SFBC | Soft Bed Coal |
| 3264.0 | SFBB | Base Soft Bed Coal |
| 3265.0 | KLBB | Base Kilburn Rock |
| 3266.0 | LSTB | Base Listeri Marine Band |
| 3267.0 | PNSC | Penistone Coal |
| 3268.0 | MBRC | Main Bright Coal | CB |
| 3269.0 | RKGC | Rakes Group Coal |
| 3270.0 | CRSE | Crawshaw Sandstone Equivalent | CN |
| 3271.0 | COO1 | Coombes Coal I | CP |
| 3272.0 | COO2 | Coombes Coal II |
| 3273.0 | SWD1 | Shallow Wood I | CB |
| 3274.0 | SWD2 | Shallow Wood II |
| 3275.0 | BLUC | Blue Coal | CA |
| 3276.0 | SPRT | Sport Rock |
| 3277.0 | STRK | Strike Sandstone |
| 3278.0 | STRY | Stray Sandstone |
| 3279.0 | EDMD | Edmondia Marine Band | CP |
| 3280.0 | SWIN | Swinton Pottery Coal | CB |
| 3281.0 | CWNC | Clowne Coal |
| 3282.0 | BLYC | Blythe Coal | CP |
| 3283.0 | TFC | Two Foot Coal | CB |
| 3284.0 | ABDY | Abdy Coal |
| 3285.0 | BSLY | Brinsley Coal |
| 3286.0 | SCFC | Scofton Coal | CP |
| 3287.0 | SHFC | Shafton Coal |
| 3288.0 | BLKC | Blackshale Coal | CA |
| 3289.0 | UWLC | Upper Wales Coal | CP |
| 3290.0 | LWAC | Lower Wales Coal |
| 3291.0 | WHWC | Wheatworth Coal | CB |
| 3292.0 | SNMB | Sutton Marine Band |
| 3293.0 | LISI | Listeri Marine Band | CA |
| 3294.0 | SWPC | Swinton Pottery Coal |
| 3295.0 | W6 | W6 Sequence | CP | EMSH |
| 3296.0 | W5 | W5 Sequence |
| 3297.0 | W4 | W4 Sequence | CB |
| 3298.0 | W3 | W3 Sequence | CA |
| 3299.0 | W2 | W2 Sequence |
| 3300.0 | W1 | W1 Sequence |
| 3301.0 | CONY | Conybeare Group | CW | SONS |
| 3302.0 | SCHO | Schooner Formation | CU |
| 3303.0 | UKEM | Upper Ketch Member |
| Page 53 of 60 | 07/07/2004 |