BGS mineralogy and petrology collection record

Sample number	E47496; COLLNOMH687;
Sample Donor	Howells,M.F.
Rock name	'Original entry: Volcanic Rock'
Stratigraphy	Not entered
Comments	Flow banded acidic intrusive
Locality details	NW of Craig Rhiwarth
50k map sheet	Bala (136) View images in GeoScenic related to 'Bala' View the geology near 'Bala'
Map reference	SJ 0477 2728
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.