BGS mineralogy and petrology collection record

Sample number	E65759; COLLNOGW375;
Sample Donor	Woodhall, D.G.
Rock name	Not entered
Stratigraphy	Not entered
Comments	Contact between Mst. and tuff/tuffaceous Sst.
Locality details	Gau Graig (SE side)
50k map sheet	Barmouth (149) View images in GeoScenic related to 'Barmouth' View a geological map near 'Barmouth'
Map reference	SH 7463 1436
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.