BGS mineralogy and petrology collection record
| Sample number | E19951; COLLNO1; |
|---|---|
| Sample Donor | Dines,H.G. |
| Rock name | 'Original entry: Tourmaline Quartz Veinstone' |
| Stratigraphy | Not entered |
| Comments | Lode occupies a fault, having a killas hanging wall and granite footwall. Full depth of workings 140 fms. spec. suggest shearing by granite and intense metamorphism of the sediments. Lode contained copper and ? some tin. |
| Locality details | 2.5 miles S. of North Hill village, Dumps of Darley Mines. |
| 50k map sheet | Tavistock (337) |
| Map reference | |
| 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
E19951
