BGS mineralogy and petrology collection record
| Sample number | MR21912 |
|---|---|
| Sample Donor | Collins,G.H. |
| Rock name | 'Original entry: Contact Altered Quartz Dolerite' |
| Stratigraphy | Not entered |
| Comments | Whin Sill (White Whin) |
| Locality details | Cow Green Mine, 11 1/2ml. SE of Alston, & 6 1/2ml. SW of St. John's Chaple Weardale |
| 50k map sheet | Alston (25) |
| Map reference | NY 812 308 |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |