BGS mineralogy and petrology collection record

Sample number	E67019; COLLNONC/CCF2VM;
Sample Donor	Pratt, W.
Rock name	'Original entry: Tuff'
Stratigraphy	Not entered
Comments	Muddy Acid tuff in reworked top
Locality details	700 m at 28 deg from Triangulation Point on Waun Oer
50k map sheet	Barmouth (149) View images in GeoScenic related to 'Barmouth' View the geology near 'Barmouth'
Map reference	SH 7888 1537
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.