BGS mineralogy and petrology collection record

Sample number	E64255; COLLNOKB1255;
Sample Donor	Not entered
Rock name	Tuff. 'Original entry: Acid Airfall Dust Tuff'
Stratigraphy	Not entered
Comments	From tuff immediately below the basaltic hyaloclastite of the Pinnacles(GROUP= Nantmor Group)(FORM= Cwm Eigiau Fm.)(MEMB= .)(IE=E)(TEXTURE=Fine-grained, siliceous.
Locality details	The Pinnacles, Curig Hill, Capel Curig.
50k map sheet	Bangor (106) View images in GeoScenic related to 'Bangor' View a geological map near 'Bangor'
Map reference	SH 7228 5810
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.