BGS mineralogy and petrology collection record

Sample number	E63021; COLLNOKB21;
Sample Donor	Not entered
Rock name	Microgranodiorite. 'Original entry: Microgranodiorite'
Stratigraphy	Not entered
Comments	Intrusion in Nant Ffrancon Fm., Drosgl pluton(GROUP= )(FORM= )(MEMB= .)(IE=I)(TEXTURE=
Locality details	Afon Goch, above KB20
50k map sheet	Bangor (106) View images in GeoScenic related to 'Bangor' View a geological map near 'Bangor'
Map reference	SH 6691 6987
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.