BGS mineralogy and petrology collection record

Sample number	E62203; COLLNOLC837;
Sample Donor	Fortey,N.J.
Rock name	Tuff.
Stratigraphy	Ashgill.
Comments	Rhyolitic tuff, Cautley Inlier
Locality details	Backside Beck, Cautley
50k map sheet	Kirkby Stephen (40) View images in GeoScenic related to 'Kirkby Stephen' View a geological map near 'Kirkby Stephen'
Map reference	SD 6960 9939
Year collected	1990
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.