BGS mineralogy and petrology collection record
| Sample number | MR9162 |
|---|---|
| Sample Donor | Not entered |
| Rock name | Obsidian. 'Original entry: Obsidian' |
| Stratigraphy | Not entered |
| Comments | obsidian, ,Collected by Miss Mary S Johnston: |
| Locality details | From cliffs of Lake roto-chu, about 10 miles E of Lake Roto-rua,surface exposure,Inv. Cat. 376,New Zealand |
| 50k map sheet | Not entered |
| Map reference | Not entered |
| Year collected | 1903 |
| Bore name | Not applicable |
| Confidentiality | No restrictions |