BGS mineralogy and petrology collection record

Sample number	E42606; COLLNOBL452;
Sample Donor	Leveridge,B.E.
Rock name	Not entered
Stratigraphy	Not entered
Comments	Eutaxitic tuffs forming featur in Llugwy Valley
Locality details	800 m E of Gwern-Gof Isaf
50k map sheet	Bangor (106) View images in GeoScenic related to 'Bangor' View a geological map near 'Bangor'
Map reference	SH 6930 5998
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.