BGS mineralogy and petrology collection record

Sample number	E14403; COLLNOLP223;
Sample Donor	Matley, C.A
Rock name	'Original entry: Siliceous Volcanic Rock'
Stratigraphy	Not entered
Comments	Intrusive acid rock (cf with E14392)
Locality details	Old Qry. W of Saethon Bach
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.