BGS mineralogy and petrology collection record
| Sample number | E49785; COLLNOAN31; |
|---|---|
| Sample Donor | Wilson,A.C. |
| Rock name | 'Original entry: Tourmaline Bearing Cummingtonite, Plagioclase, Phlogopite, Ilmenite, Sphene, Hornfels' |
| Stratigraphy | Not entered |
| Comments | Feldspathic segregation in cordierite bearing basic igneous rock. ( ? Devonian). |
| Locality details | Exposures near gully, just N of Zawn A Bal, 420 m. at 197 deg from triangulation point at The Crowns. |
| 50k map sheet | Penzance (351) |
| Map reference | SW 3619 3333 |
| 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
E49785
