BGS mineralogy and petrology collection record

Sample number	E10856; COLLNO257;
Sample Donor	Blake,Professor
Rock name	'Original entry: Quartz-Felspar-Epidote-Schist'
Stratigraphy	Not entered
Comments	see mem. Geology of Anglesey p 286 Probably near the Gwna-Skerries junction surviving Epiclasts or Pyroclasts Albite Mona Complex ? Church Bay Tuffs
Locality details	E. of Llandeusant
50k map sheet	Holyhead (93) View images in GeoScenic related to 'Holyhead' View the geology near 'Holyhead'
Map reference	SH 348 852
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.