BGS mineralogy and petrology collection record

Sample number E46076; COLLNOLA298;
Sample Donor Allen,P.M.
Rock name 'Original entry: Tuff'
Stratigraphy Not entered
Comments Tuff
Locality details 510 yds 97 deg from Hendre Gyfeilliad
50k map sheet Harlech (135)

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Map reference SH 7608 1798
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


E46076

Cross Polarized, E46076

Plane Polarized, E46076

Plane Polarized, E46076