| Order | Type | Group | Form-ati | Member | Description | Upper | Lower | Basin |
| By No. | on | Age | Age |
| 2362.0 | SED | MMG | MOTT | Lower Motted Sandstone | T | EMSH |
| 2363.0 | MMRF | Middle Marl Formation | WOR |
| 2364.0 | LMAF | Lower Marl Formation | TA | SPEN IRSE |
| 2365.0 | ROSH | Rossall Halite | T | IRSE |
| 2366.0 | ANSM | Ansdell Mudstone Member | IRSE |
| 2367.0 | PRHM | Pressall Halite Member |
| 2368.0 | UAMD | Mudstone Unit A | IRSE |
| 2369.0 | TPSF | Tarporley Siltstone |
| 2370.0 | UTPS | Upper Tarporley Member | TM | WOR |
| 2371.0 | MALS | Malpas Sandstone Member | TL | TM |
| 2372.0 | LTPS | Lower Tarporley Member |
| 2373.0 | KSBS | Keuper Saliferous Beds | T | IRSE |
| 2374.0 | KASL | Keuper Anhydritic Siltstone | WSXB |
| 2375.0 | LKWF | Lower Keuper Waterstones Fmation | IRSE |
| 2376.0 | UKWF | Upper Keuper Waterstones Fmation |
| 2377.0 | BNSH | Brown Shale |
| 2378.0 | BNSD | Brown Sand |
| 2379.0 | QMAR | QMAR Q Marker |
| 2380.0 | BRSA | Brown Salt |
| 2381.0 | GRSH | Green Shale |
| 2382.0 | GRSA | Green Salt |
| 2383.0 | ORSH | Orange Shale |
| 2384.0 | ORSA | Orange Salt |
| 2385.0 | BLSH | Blue Shale |
| 2386.0 | BLSA | Blue Salt |
| 2387.0 | MMRB | Mercia Mudstones Red Beds | TR | CECH |
| 2388.0 | BAN | Blue Anchor Formation |
| 2389.0 | WHT | Wilkesley Halite Formation | TC | CHE |
| 2390.0 | NWHF | Northwich Halite Formation | TA |
| 2391.0 | LMM | Lower Mercia Mudstone |
| 2392.0 | MMM | Middle Mercia Mudstone | TC |
| 2393.0 | PRTM | Portmore | TN | NOCH |
| 2394.0 | KNKS | Knocksoghey | TC |
| 2395.0 | GLST | Glenstaghey |
| 2396.0 | LRHM | Larne Halite Member | T | IRSE |
| 2397.0 | CRGN | Craiganee | TD | NOCH |
| 2398.0 | CDHM | Carnduff Halite Member | T | IRSE |
| 2399.0 | BBHH | Ballyboley Halite Member |
| 2400.0 | LGVR | Lagavarra | TA | NOCH |
| 2401.0 | UKM | Upper Keuper Marl | TD | TU | SOLW IRSEB MANX |
| 2402.0 | MKML | Middle Keuper Marl | TU | SOLW CHES IRSEB |
| 2403.0 | LKM | Lower Keuper Marl | WSXB |
| 2404.0 | LSB | Lower Saliferous Beds | TM | SOLW IRSEB MANX |
| 2405.0 | LKS | Lower Keuper Shale | TA |
| 2406.0 | EEV | Esk Evaporite Formation | TS | TA | EMSH |
| 2407.0 | KIRK | Kirkham Mustone Fm | T | IRSE |
| 2408.0 | THON | Thornton Mudstone Fm |
| 2409.0 | MYTH | Mythop Halite |
| 2410.0 | UMYT | Upper Mythop Halite Member | IRSE |
| 2411.0 | LMYT | Lower Mythop Halite Member |
| 2412.0 | MYTQ | Mythop Halite Equivalent |
| 2413.0 | HAMB | Hambleton Mudstone Fm | IRSE |
| 2414.0 | PMAR | P' Marker | IRSE |
| 2415.0 | BRKL | Breckells Mudstones | IRSE |
| 2416.0 | COAT | Coatwalls Mudstones |
| 2417.0 | PREE | Preesall Salt |
| 2418.0 | SING | Singleton Mudstones |
| 2419.0 | EMUD | Mudstone Formation Unit E |
| 2420.0 | DMUD | Mudstone Formation Unit D |
| 2421.0 | CMUD | Mudstone Formation Unit C |
| 2422.0 | BMUD | Mudstone Formation Unit B |
| 2423.0 | AMUD | Unit A Mudstone Formation |
| 2424.0 | RHEQ | Rossall Halite Equivalent |
| Page 39 of 60 | 07/07/2004 |