BGS mineralogy and petrology collection record
| Sample number | MR35341 |
|---|---|
| Sample Donor | Not entered |
| Rock name | Ash (Tephra). 'Original entry: Volcanic Ash' |
| Stratigraphy | Holocene. |
| Comments | volcanic ash, 1980,Collected by A Skinner: |
| Locality details | Portland, Oregon,surface exposure,Volcanic ash from second eruption, Mount St Helen volcano, Washington State, USA,USA |
| 50k map sheet | Not entered |
| Map reference | 32:45,122:40 |
| Year collected | 1980 |
| Bore name | Not applicable |
| Confidentiality | No restrictions |