BGS mineralogy and petrology collection record
| Sample number | E57178 |
|---|---|
| Sample Donor | Dangerfield,J.; Hawkes,J.R.; Wheatley, C.W.; |
| Rock name | 'Original entry: Porphyritic Volcanic Rock' |
| Stratigraphy | Not entered |
| Comments | Quartz porphyry with abundant biotite. |
| Locality details | Langstone Downs, 1.2 Km. at 290 deg. from Henwood. |
| 50k map sheet | Tavistock (337) |
| Map reference | SX 2553 7377 |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |
Petrological thin sections
Links to high resolution images
Transition from XPL to PPL light
E57178
