BGS mineralogy and petrology collection record

Sample number	E10499; COLLNO711;
Sample Donor	Greenly,E.
Rock name	'Original entry: Calc.Chlorite Schist'
Stratigraphy	Not entered
Comments	See Mem. Geol.of Anglesey.p.279
Locality details	Porth Tywyn Mawr
50k map sheet	Holyhead (93) View images in GeoScenic related to 'Holyhead' View the geology near 'Holyhead'
Map reference	SH 289 852
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.