| Order | Type | Group | Form-ati | Member | Description | Upper | Lower | Basin |
| By No. | on | Age | Age |
| 2611.0 | SED | PTRB | Permo Triassic Breccias | P | TL | ANPA |
| 2612.0 | MAAR | Marginal Deposits | PU | WSXB |
| 2613.0 | REDM | Red Marl | PR | WCHB |
| 2614.0 | DAWL | Dawlish Breccia | PK | PR |
| 2615.0 | TIGN | Teignmouth Breccia | PG | PK |
| 2616.0 | WCGL | Watcombe Conglomerate | PA |
| 2617.0 | WCLY | Watcombe Clay | CS | PA |
| 2618.0 | PSMD | Permian Ssts and Mudstones | PA | PU |
| 2619.0 | PVLC | Permian Volcanics | CS | PA |
| 2620.0 | SSSD | Ssts Shales and Dolomites | P | STCR COCB COHI |
| 2621.0 | COLE | Collyhurst Equivalent | SPEN IRSE |
| 2622.0 | LPV | Lower Permian Volcanics | PS | PA | STCR COCB COHI |
| 2623.0 | LPSS | Lower Permian Sandstones | PA | PG | NOCH |
| 2624.0 | COLL | Collyhurst Sandstones | PL | SOLW IRSEB MANX |
| 2625.0 | SDCO | Sandstone Unit | P | SPEN IRSE |
| 2626.0 | MDCO | Mudstone Unit |
| 2627.0 | COLU | Upper Member | IRSE |
| 2628.0 | COLW | Lower Member |
| 2629.0 | COLB | Basal Member |
| 2630.0 | COLS | Collyhurst Shales | PL | SOLW IRSEB MANX |
| 2631.0 | DSZC | Ssts under Zech Mdsts salt Carbs | P | NONS |
| 2632.0 | MANX | Manx Group | PL | PU | SPEN IRSE |
| 2633.0 | ZECH | Zechstein | PU | SONS CNSB MOFI |
| 2634.0 | ZECV | Zechstein Volcanics | SONS |
| 2635.0 | SHRW | Shearwater Salt Formation | CNSB |
| 2636.0 | BOSI | Bosies Bank Formation | SVIG |
| 2637.0 | ZOVE | Zechstein Salt Overhang | SONS |
| 2638.0 | ZAUD | Audrey Salt Wall |
| 2639.0 | ANHR | Anhydrite Raft |
| 2640.0 | ZUNS | Undifferentiated Salts |
| 2641.0 | TUAF | Turbot Anhydrite Formation | CNSB |
| 2642.0 | HACF | Halibut Carbonate Formation |
| 2643.0 | PUBS | Permian Upper Beds | SPE |
| 2644.0 | MLZ3 | Magnesian Limestone Zone | SONS |
| 2645.0 | MIDS | Middle Salt |
| 2646.0 | MLZ2 | 2nd Magnesian Limestone Zone |
| 2647.0 | MANH | Main Anhydrite |
| 2648.0 | MLZ1 | 1st Magnesian Limestone Zone |
| 2649.0 | BZBS | Basal Zechstein Sands | P |
| 2650.0 | BSBD | Basal Beds | SPE |
| 2651.0 | MSAL | Main Salt | PU | SONS |
| 2652.0 | PUME | Upper Marls and Evaporites | EMSH |
| 2653.0 | LMRL | Lower Marls | SONS |
| 2654.0 | CRML | Carnallitic Marls |
| 2655.0 | PLHY | Plattenhydrit |
| 2656.0 | UMEV | Upper Magnesian Evaporite | CLEV |
| 2657.0 | MMEV | Middle Magnesian Evaporite |
| 2658.0 | LMMS | Lower Magnesian Limestone | SPE |
| 2659.0 | MLSL | Marl Slate |
| 2660.0 | MLSE | Marl Slate Equivalent | EMSH |
| 2661.0 | UPLM | Upper Permian Limestone |
| 2662.0 | UML | Upper Magnesian Limestone | SPE |
| 2663.0 | UMOO | Upper Magnesian Oolite | EMSH |
| 2664.0 | MMGL | Middle Magnesian Limestone | PK | INMF ESHB |
| 2665.0 | MMAB | Middle Magnesian Algal Bank | PU | EMSH |
| 2666.0 | MMOO | Middle Magnesian Oolite |
| 2667.0 | MPLM | Main Permian Limestone |
| 2668.0 | LPLS | Lower Permian Limestone | P |
| 2669.0 | BADO | Basal Dolomites | PU | SONS |
| 2670.0 | ZEUU | Zechstein Upper Unit |
| 2671.0 | ZELU | Zechstein Lower Unit |
| 2672.0 | ZERE | Reworked Zechstein | P | WYGG |
| 2673.0 | LEVA | Lower Evaporite | PU | SONS |
| Page 43 of 60 | 07/07/2004 |