BGS mineralogy and petrology collection record

Sample number	S27521; COLLNOMR128;
Sample Donor	Macgregor,A.G.
Rock name	Not entered
Stratigraphy	Not entered
Comments	Lava of Calciferous Sst Ser age cf. z Bd ' Large feldspars.
Locality details	North Rotten Burn, left bank. 900 yds N 4 deg E from Trig Station 1323 ft Black Fell
50k map sheet	Glasgow (30) View images in GeoScenic related to 'Glasgow' View a geological map near 'Glasgow'
Map reference	NS 2648 6720
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.