BGS mineralogy and petrology collection record

Sample number	E10645; COLLNO46;
Sample Donor	Blake,Professor
Rock name	'Original entry: Gabbro'
Stratigraphy	Not entered
Comments	see mem.geology of Anglesey Yr 1919 cf p 274-5 Similar with some Tremolite. Amorphism along planes of deformation Mona Complex Plutonic intrusions
Locality details	High Cry SE. side of Rhyd-bont creek skirt? Of Holy Isle
50k map sheet	Holyhead (93) View images in GeoScenic related to 'Holyhead' View the geology near 'Holyhead'
Map reference	SH 280 773
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.