BGS mineralogy and petrology collection record

Sample number	E26715; COLLNOA63;
Sample Donor	Whitehead,T.H.
Rock name	'Original entry: Mineral Sample'
Stratigraphy	Not entered
Comments	Sericite with Qtz
Locality details	Caer Valley, Nr. Penrhyndeudraeth
50k map sheet	Snowdon (119) View images in GeoScenic related to 'Snowdon' View the geology near 'Snowdon'
Map reference	SH 618 397
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.