BGS mineralogy and petrology collection record

Sample number	E6075; COLLNO23;
Sample Donor	Greenly,E.
Rock name	'Original entry: Sheared Quartzite'
Stratigraphy	Not entered
Comments	Mona complex. Quartzite-like, but differs from Holyhead quartzite
Locality details	Bosses S.of large "H" W.of nameless buildings
50k map sheet	South Stack (92) View images in GeoScenic related to 'South Stack' View the geology near 'South Stack'
Map reference	SH 23 82
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.