| Collection | ABDUG University of Aberdeen, Geological Collections |
| Object Name | Tillite |
| Object Number | ABDUG Rock.3736 |
| Brief Description | Quartz syenite or nordmarkite and enveloping matrix |
| Place Key | Port Askaig, Islay, Argyllshire, Scotland |
| Aquisition Source | John Pringle |
| Aquisition Date | 09/05/1943 |