BGS mineralogy and petrology collection record

Sample number E14423; COLLNOLP245;
Sample Donor Matley, C.A
Rock name Tuff. 'Original entry: Silicified Tuff'
Stratigraphy Not entered
Comments Chert rock below crystal tuff
Locality details Cadwgan Rhiw
50k map sheet Pwllheli (134)

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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


Cross Polarized, E14423

Plane Polarized, E14423

Plane Polarized, E14423