BGS mineralogy and petrology collection record

Sample number	E67103; COLLNOMJLD270;
Sample Donor	Pratt, W.
Rock name	'Original entry: Mudstone'
Stratigraphy	Not entered
Comments	Ceisuyn Formation. Mst./Monazite
Locality details	700 m at 186 deg from Nant y Mynach
50k map sheet	Barmouth (149) View images in GeoScenic related to 'Barmouth' View the geology near 'Barmouth'
Map reference	SH 6434 0413
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.