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 the geology 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.