BGS mineralogy and petrology collection record

Sample number	E10702; COLLNO103;
Sample Donor	Blake,Professor
Rock name	'Original entry: Calcareous Mica Hornfels'
Stratigraphy	Not entered
Comments	see mem. Geology of Anglesy p 333 Fine but Phenocrystalline aggregate unfoliated Mona Complex Platonic Intrusion
Locality details	Chlorach Bach Llancrchymedd
50k map sheet	Holyhead (93) View images in GeoScenic related to 'Holyhead' View the geology near 'Holyhead'
Map reference	SH 41 84
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.