BGS mineralogy and petrology collection record

Sample number	E48481; COLLNOLA483;
Sample Donor	Allen,P.M.
Rock name	'Original entry: Volcanic Rock'
Stratigraphy	Not entered
Comments	Intrusive
Locality details	330 yds 222 deg from Cefn Mailau
50k map sheet	Harlech (135) View images in GeoScenic related to 'Harlech' View the geology near 'Harlech'
Map reference	SH 7354 1880
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.