BGS mineralogy and petrology collection record

Sample number	E10948; COLLNO29;
Sample Donor	Matley, C.A
Rock name	'Original entry: Dolerite'
Stratigraphy	Not entered
Comments	see mem. Geology of Anglesey p 320 Labsadonite, Augite, Hornblende,etc coarse ophitic largely amphibolized & albitised Mona Complex Plutonic Intrusion
Locality details	Boss 1/2 way between Caerau & Nanner, Llanfairynghornwy
50k map sheet	Holyhead (93) View images in GeoScenic related to 'Holyhead' View the geology near 'Holyhead'
Map reference	SH 325 919
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.