Sample number |
MR29941; COLLNOSN901; |
Sample Donor |
Hart,F.; Sanderson,R.W.; |
Rock name |
'Original entry: Igneous' |
Stratigraphy |
Proterozoic. Precambrian. Johnston Series |
Comments |
Dark fine grained igneous rock. NGR as in register. |
Locality details |
Quarry name: Boltonhill quarry: at Bottom of 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 |