BGS mineralogy and petrology collection record

Sample number	E10661; COLLNO62;
Sample Donor	Blake,J.F.
Rock name	Not entered
Stratigraphy	Not entered
Comments	Mona Complex. S.Stack series Lleyn division
Locality details	Porth-y-Crug [Grug]
50k map sheet	South Stack (92) View images in GeoScenic related to 'South Stack' View the geology near 'South Stack'
Map reference	SH 218 811
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.