BGS mineralogy and petrology collection record

Sample number E13383; COLLNO17;
Sample Donor Matley, C.A
Rock name 'Original entry: Cherty Quartzite'
Stratigraphy Not entered
Comments Gyddel Beds. Albite dust rock, coarse variety
Locality details Mynydd Gwyddel. W slope above sea cliffs.
50k map sheet Aberdaron and Bardsey Island (133)

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Map reference
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


E13383

Cross Polarized, E13383

Plane Polarized, E13383

Plane Polarized, E13383