BGS mineralogy and petrology collection record

Sample number	E38722; COLLNOCE2;
Sample Donor	Evans,C.D.R.
Rock name	'Original entry: Tuff'
Stratigraphy	Not entered
Comments	Whitish tuffaceous rock, 15-20 ft thick
Locality details	470 yds 218 deg from Roman Bridge Halt
50k map sheet	Snowdon (119) View images in GeoScenic related to 'Snowdon' View the geology near 'Snowdon'
Map reference	SH 7098 5116
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.