BGS mineralogy and petrology collection record

Sample number	E10734; COLLNO135;
Sample Donor	Blake,Professor
Rock name	'Original entry: Mica-Hornfels ?'
Stratigraphy	Not entered
Comments	see mem. Geology of Anglesey p 334 Seams a Mica Tourmaline: Hornfels with a Quartz-Chlorite nest Mona Complex Plutonic Intrusion
Locality details	Gr-ynys-Goed
50k map sheet	Holyhead (93) View images in GeoScenic related to 'Holyhead' View the geology near 'Holyhead'
Map reference	SH 438 814
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.