BGS mineralogy and petrology collection record

Sample number	E16171; COLLNO10;
Sample Donor	Matley, C.A
Rock name	'Original entry: Sericitic Chloritic Grit'
Stratigraphy	Not entered
Comments	Lower level than M9, ? Ash
Locality details	Waterfall Section, Pont Llyn y Cefn
50k map sheet	Harlech (135) View images in GeoScenic related to 'Harlech' View the geology near 'Harlech'
Map reference	SH 708 289
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.