BGS mineralogy and petrology collection record

Sample number	E18060; COLLNOM191;
Sample Donor	Matley, C.A
Rock name	Siltstone (Undifferentiated). 'Original entry: Sandy Siltstone'
Stratigraphy	Not entered
Comments	(25" map-36/6) Barmouth Grit with patings
Locality details	Porkington Qry. Barmouth
50k map sheet	Barmouth (149) View images in GeoScenic related to 'Barmouth' View the geology near 'Barmouth'
Map reference
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.