| Collection | ABDUG University of Aberdeen, Geological Collections |
| Object Name | Siltstone |
| Object Number | ABDUG Rock.7690 |
| Period | Ludlovian |
| Brief Description | Pale yellow siltstone with thin grey shale laminations |
| Place Key | South end of Marloes Bay, Marloes, Pembrokeshire, Wales |
| Aquisition Source | C.R. Morey No 70 |
| Aquisition Date | 01/01/1966 |