BGS mineralogy and petrology collection record

Sample number	E71255; COLLNOIY979;
Sample Donor	Beddoe-Stephens,B.
Rock name	Andesite.
Stratigraphy	Caradoc. Birker Fell Andesite Formation.
Comments	Porphyric andesite; vitrophyric
Locality details	BB06. Birch Crags, Thirlmere
50k map sheet	Keswick (29) View images in GeoScenic related to 'Keswick' View a geological map near 'Keswick'
Map reference	NY 30550 18271
Year collected	1996
Bore name	Not applicable
Confidentiality	No restrictions