BGS mineralogy and petrology collection record

Sample number	S77670; COLLNOCX1901;
Sample Donor	Smith,C.G.
Rock name	'Original entry: Porphyritic Quartz-Microdiorite'
Stratigraphy	Not entered
Comments	Called purplish lamprophyre in field
Locality details	N bank of stream
50k map sheet	Balmoral (65) View images in GeoScenic related to 'Balmoral' View the geology near 'Balmoral'
Map reference	NO 2453 9678
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.