BGS mineralogy and petrology collection record

Sample number	E9941; COLLNO153;
Sample Donor	Greenly,E.
Rock name	'Original entry: Sillimanite Gneiss'
Stratigraphy	Not entered
Comments	Mona Complex. Gneisses.
Locality details	650ft.NW.of Henblas
50k map sheet	Holyhead (93) View images in GeoScenic related to 'Holyhead' View the geology near 'Holyhead'
Map reference	SH 398 808
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.