BGS mineralogy and petrology collection record

Sample number	E64419; COLLNOTL50;
Sample Donor	Not entered
Rock name	Basalt. 'Original entry: Basalt'
Stratigraphy	Not entered
Comments	Top of basalt, beneath basic tuff(GROUP= Snowdon Volcanic Group)(FORM= Bedded Pyroclastic Fm.)(MEMB= .)(IE=E)(TEXTURE=Pillowed
Locality details	Twll du, Cwm Idwal
50k map sheet	Bangor (106) View images in GeoScenic related to 'Bangor' View a geological map near 'Bangor'
Map reference	SH 6378 5874
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.