BGS mineralogy and petrology collection record

Sample number	S65375; COLLNOZK567;
Sample Donor	McAdam, A.D.
Rock name	Not entered
Stratigraphy	Not entered
Comments	Porphyrite intrusion, ?Silurian
Locality details	550m 295 deg from Middlefield Law triangulation point
50k map sheet	Hamilton (23) View images in GeoScenic related to 'Hamilton' View a geological map near 'Hamilton'
Map reference	NS 6761 3098
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.