BGS mineralogy and petrology collection record

Sample number E45896; COLLNOLA280;
Sample Donor Allen,P.M.
Rock name 'Original entry: Tuff'
Stratigraphy Not entered
Comments Tuff
Locality details 220 yds N of Llwyniarth
50k map sheet Harlech (135)

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Map reference SH 7077 1776
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


E45896

Cross Polarized, E45896

Plane Polarized, E45896

Plane Polarized, E45896