BGS mineralogy and petrology collection record
Sample number | MR25865 |
---|---|
Sample Donor | Collins,G.H. |
Rock name | 'Original entry: Dolerite' |
Stratigraphy | Not entered |
Comments | Diabase. NGR as in register. |
Locality details | Polyphant No 1 Quarry: at 250 yds NW of Two Bridges 3/4 mile NW of Lewannick. |
50k map sheet | Tavistock (337) |
Map reference | SX 269 819 |
Year collected | 1962 |
Bore name | Not applicable |
Confidentiality | No restrictions |