BGS mineralogy and petrology collection record

Sample number E14107
Sample Donor Matley, C.A
Rock name Tuff. 'Original entry: Crystal Tuff'
Stratigraphy Not entered
Comments Feldspathic rock
Locality details North of Cadwgom 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, E14107

Plane Polarized, E14107

Plane Polarized, E14107