BGS mineralogy and petrology collection record

Sample number	E4431; COLLNO212;
Sample Donor	Cantrill, T.C.
Rock name	Tuff. 'Original entry: Crystal Tuff'
Stratigraphy	Not entered
Comments	Block in field.
Locality details	At Castle Hill, 400 Yds. E. by S. of Clog-y-fran, W. of St. Clear.
50k map sheet	Carmarthen (229) View images in GeoScenic related to 'Carmarthen' View the geology near 'Carmarthen'
Map reference	SN 244 159
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.