BGS mineralogy and petrology collection record

Sample number	E67098; COLLNOWPRNN1;
Sample Donor	Pratt, W.
Rock name	'Original entry: Mudstone'
Stratigraphy	Not entered
Comments	Craig Caw Formation. Mst.
Locality details	1550 m at 100 deg from Cairn on Craig y Illyn
50k map sheet	Barmouth (149) View images in GeoScenic related to 'Barmouth' View the geology near 'Barmouth'
Map reference	SH 6749 1113
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.