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 the geology near 'Keswick'
Map reference	NY 30550 18271
Year collected	1996
Bore name	Not applicable
Confidentiality	No restrictions