| Collection | ABDUG University of Aberdeen, Geological Collections |
| Object Name | Siltstone |
| Object Number | ABDUG Rock.5778 |
| Period | Ordovician |
| Brief Description | Finely laminated siltstone with convolute laminations |
| Place Key | Shore section 2 miles north of Cairnryan, Wigtownshire, Scotland |
| Aquisition Source | W. Welsh |