BGS mineralogy and petrology collection record

Sample number	E10478; COLLNO690;
Sample Donor	Greenly,E.
Rock name	'Original entry: Variolite'
Stratigraphy	Not entered
Comments	See Mem. Geol.of Anglesey.p.279.
Locality details	Porth Tywyn Mawr, Cliferau side close to "L" of Low
50k map sheet	Holyhead (93) View images in GeoScenic related to 'Holyhead' View the geology near 'Holyhead'
Map reference	SH 283 850
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.