BGS mineralogy and petrology collection record

Sample number	E67516; COLLNOJNC485;
Sample Donor	Carney, J.N.
Rock name	'Original entry: Porphyritic Volcanic Rock'
Stratigraphy	Not entered
Comments	Quartz feldspar porphyry. Charnian
Locality details	Gunhill Rough, 450 m NE of Drybrook Farm
50k map sheet	Loughborough (141) View images in GeoScenic related to 'Loughborough' View the geology near 'Loughborough'
Map reference	SK 4522 1694
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.