| Sample number |
MR29942; COLLNOSN903; |
| Sample Donor |
Hart,F.; Sanderson,R.W.; |
| Rock name |
'Original entry: Diorite' |
| Stratigraphy |
Proterozoic. Precambrian. Johnston Series |
| Comments |
Foliated diorite. NGR as in register. |
| Locality details |
Quarry name: Boltonhill quarry: at Boltonhill Quarry, 1.2 mile WNW of Johnston Church |
| 50k map sheet |
Milford (227)
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|
| Map reference |
SM 917 114 |
| Year collected |
1968 |
| Bore name |
Not applicable |
| Confidentiality |
No restrictions |
