BGS mineralogy and petrology collection record

Sample number	E10721; COLLNO122;
Sample Donor	Blake,Professor
Rock name	'Original entry: Granite & Mica - Hornfels Intrusive Junction Of Granite'
Stratigraphy	Not entered
Comments	see mem. Geology of Anglesey pp 331:92 Coedana Granite Greissenczation Tourmaline in margin of Granite Mona Complex Plutonic Intrusion
Locality details	260yds N. of "o" of "Coedana" [Maen-gwyn]
50k map sheet	Holyhead (93) View images in GeoScenic related to 'Holyhead' View the geology near 'Holyhead'
Map reference	SH 432 824
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.