BGS mineralogy and petrology collection record

Sample number	E25293; COLLNO13/NE26;
Sample Donor	Stevenson,I.P.
Rock name	Not entered
Stratigraphy	Not entered
Comments	Fine grained tuff
Locality details	S bank of R. Dulyn; 240 yds. NW of Rowlyn-Isaf; 515 yds. E of Rowlyn-Uchaf
50k map sheet	Bangor (106) View images in GeoScenic related to 'Bangor' View a geological map near 'Bangor'
Map reference	SH 752 681
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.