BGS mineralogy and petrology collection record

Sample number	E10644; COLLNO45;
Sample Donor	Blake,Professor
Rock name	'Original entry: Gabbro'
Stratigraphy	Not entered
Comments	see mem.geology of Anglesey Yr 1919 cf p 272 Diallage bastite[?] after Enstatite Saussurite & secondary Amphibole Mona Complex Plutonic intrusions
Locality details	G. end of Lava E. of Pen-y-bont valley said Ty-Newydd valley
50k map sheet	Holyhead (93) View images in GeoScenic related to 'Holyhead' View the geology near 'Holyhead'
Map reference	SH 281 786
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.