BGS mineralogy and petrology collection record

Sample number	E8554; COLLNO578;
Sample Donor	Calloway, G.A.
Rock name	'Original entry: Mica-Hornfels'
Stratigraphy	Not entered
Comments	See Mem.Geol.of Anglesey c.f.p.333. Mona Complex. Plutonic Intrusion.
Locality details	N.of the word "Ceirchiog" SW.of Bwlcyn.
50k map sheet	Holyhead (93) View images in GeoScenic related to 'Holyhead' View the geology near 'Holyhead'
Map reference	SH 360 762
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.