BGS mineralogy and petrology collection record

Sample number	E10798; COLLNO199;
Sample Donor	Blake,Professor
Rock name	'Original entry: Gwna Green-Schist.'
Stratigraphy	Not entered
Comments	Mona Complex. Gwna Beds. See Mem.Geol.of Anglesey.p.364. Much dust, nearly opaque, which seems epidote
Locality details	Near Tyddyn Beaumaris
50k map sheet	Llandudno (94) View images in GeoScenic related to 'Llandudno' View the geology near 'Llandudno'
Map reference	SH 60 76
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.