BGS mineralogy and petrology collection record

Sample number	E9806; MR12107; COLLNO18;
Sample Donor	Greenly,E.
Rock name	'Original entry: Mica Hornfels (An Mem 1931 P.131) Spangle Mica Schist'
Stratigraphy	Not entered
Comments	See Anal.Mem. 1931 p.131. Mona Complex. Tyfry Beds.
Locality details	425yds.W.of Caer-glaw crossroads Gwalchmai. S.of Holyhead Road, near B.M.96.5
50k map sheet	Holyhead (93) View images in GeoScenic related to 'Holyhead' View the geology near 'Holyhead'
Map reference	SH 370 767
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.