BGS mineralogy and petrology collection record

Sample number	E9839; COLLNO51; NEG1088M;
Sample Donor	Road Board
Rock name	'Original entry: Ashy Grit'
Stratigraphy	Not entered
Comments	Not entered
Locality details	Pit, 350 ft' ENE. of Tyfry.
50k map sheet	Holyhead (93) View images in GeoScenic related to 'Holyhead' View the geology near 'Holyhead'
Map reference	SH 517 767
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.