BGS mineralogy and petrology collection record

Sample number	E34372; COLLNOPT121;
Sample Donor	Harrison,R.K.
Rock name	Not entered
Stratigraphy	Not entered
Comments	Robertson Research Labs BH
Locality details	Blaen-Y-Wern Farm, Cae-Coch BH 4
50k map sheet	Bangor (106) View images in GeoScenic related to 'Bangor' View a geological map near 'Bangor'
Map reference	SH 7734 6539
Year collected	Not entered
Bore name	Cae-Coch No.4
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.