BGS mineralogy and petrology collection record

Sample number E48526; COLLNOLA528;
Sample Donor Allen,P.M.
Rock name 'Original entry: Volcanic Rock'
Stratigraphy Not entered
Comments Sill
Locality details Clogau Mine
50k map sheet Harlech (135)

View images in GeoScenic related to 'Harlech'

View the geology near 'Harlech'

Map reference SH 6753 2050
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


E48526

Cross Polarized, E48526

Plane Polarized, E48526

Plane Polarized, E48526