BGS mineralogy and petrology collection record

Sample number	E18112; COLLNOM229;
Sample Donor	Matley, C.A
Rock name	'Original entry: Gritty Shale, Slightly Recrystallised'
Stratigraphy	Not entered
Comments	Schistose sediment (? Penrhos)
Locality details	mouth of Afon Wen
50k map sheet	Harlech (135) View images in GeoScenic related to 'Harlech' View the geology near 'Harlech'
Map reference
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.