BGS mineralogy and petrology collection record

Sample number	E49045; COLLNOLA529;
Sample Donor	Allen,P.M.
Rock name	'Original entry: Tuffisite'
Stratigraphy	Not entered
Comments	Tuffisite
Locality details	Glasdir Copper Mine; N end of Pit
50k map sheet	Harlech (135) View images in GeoScenic related to 'Harlech' View the geology near 'Harlech'
Map reference	SH 7415 2239
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.