BGS mineralogy and petrology collection record

Sample number	E4403; COLLNO30;
Sample Donor	Thomas, Dr.
Rock name	'Original entry: Felsitic Tuff (In Upper Llanvirn)'
Stratigraphy	Not entered
Comments	Not entered
Locality details	Roadside, 200 Yds. NW. of Knock Farm, N. of Clarkston Road Station.
50k map sheet	Fishguard (210) View images in GeoScenic related to 'Fishguard' View the geology near 'Fishguard'
Map reference	SN 030 220
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.