BGS mineralogy and petrology collection record
| Sample number | MR35047 |
|---|---|
| Sample Donor | Not entered |
| Rock name | Ash (Tephra). 'Original entry: Volcanic Ash' |
| Stratigraphy | Not entered |
| Comments | volcanic ash, ,Collected by Mrs Q Crombie: |
| Locality details | Great Falls, Montana,surface exposure,Ash from Mount St Helens eruption 18 May 1980. XRD Chart DX 2406.,USA |
| 50k map sheet | Not entered |
| Map reference | Not entered |
| Year collected | 1980 |
| Bore name | Not applicable |
| Confidentiality | No restrictions |