BGS mineralogy and petrology collection record

Sample number	E10957; COLLNO38;
Sample Donor	Matley, C.A
Rock name	'Original entry: Schistose Grit'
Stratigraphy	Not entered
Comments	see mem. Geology of Anglesey pp 311:472 Locality not precise enough to be certain whether Mona Complex or Ordovician
Locality details	Porth Wen Works
50k map sheet	Holyhead (93) View images in GeoScenic related to 'Holyhead' View the geology near 'Holyhead'
Map reference	SH 401 946
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.