BGS mineralogy and petrology collection record

Sample number	E11023; COLLNO104;
Sample Donor	Matley, C.A
Rock name	'Original entry: Ophicalcite. Calc-Band In.'
Stratigraphy	Not entered
Comments	Mona Complex. Plutonic Intrusion. See Mem.Geol.of Anglesey.p.320. Carbonate, serpentine, iron-ores.
Locality details	Porth-yr-Ysgraff.
50k map sheet	Holyhead (93) View images in GeoScenic related to 'Holyhead' View the geology near 'Holyhead'
Map reference	SH 308 930
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.