BGS mineralogy and petrology collection record
| Sample number | E30841; MR27896; COLLNOD50; COLLNOJW250C; |
|---|---|
| Sample Donor | Wright,J.E. |
| Rock name | 'Original entry: Contact Altered Sediment Perthite Porphyroblasts' |
| Stratigraphy | Not entered |
| Comments | Biotite granite with feldspar. ? Porphyroblasts inc. in Dartmoor granite. (Xenolith/Big Feldspar Granite contact [dark megacrysts]) |
| Locality details | Willingstone Rock, 860 Yds. E. at 9 deg. N. from Cranbrook. and 1 1/2ml. N of St.Andrew's Church, Moretonhampstead |
| 50k map sheet | Okehampton (324) |
| Map reference | SX 756 887 |
| 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
E30841
