BGS mineralogy and petrology collection record

Sample number E45885; COLLNOLA256;
Sample Donor Allen,P.M.
Rock name 'Original entry: Tuff'
Stratigraphy Not entered
Comments Tuff
Locality details Track 30 yds SW of Pen y Ffridd
50k map sheet Harlech (135)

View images in GeoScenic related to 'Harlech'

View the geology near 'Harlech'

Map reference SH 7494 2152
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


E45885

Cross Polarized, E45885

Plane Polarized, E45885

Plane Polarized, E45885