BGS mineralogy and petrology collection record

Sample number	E11387; COLLNO159;
Sample Donor	Greenly,E.
Rock name	'Original entry: Powder Of Vein In Serpentine. Tremolite In Serpentine'
Stratigraphy	Not entered
Comments	Mona Complex. Plutonic Intrusion. See Mem.Geol.of Anglesey.p.355. Tremolite Residues
Locality details	Tyfry Bwin
50k map sheet	Holyhead (93) View images in GeoScenic related to 'Holyhead' View the geology near 'Holyhead'
Map reference	SH 517 767
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.