BGS mineralogy and petrology collection record

Sample number	E14408; COLLNOLP229;
Sample Donor	Matley, C.A
Rock name	'Original entry: Sandstone'
Stratigraphy	Not entered
Comments	Hard band (gritty or ashy) in Ordovician sediments
Locality details	Old Qry. E of Pen y Bryn Nant Llaniestyn
50k map sheet	Pwllheli (134) View images in GeoScenic related to 'Pwllheli' View the geology near 'Pwllheli'
Map reference
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.