BGS mineralogy and petrology collection record

Sample number E14426
Sample Donor Matley, C.A
Rock name 'Original entry: Porphyritic Volcanic Rock'
Stratigraphy Not entered
Comments Porphyry
Locality details Carn Fadryn at summit
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


E14426

Cross Polarized, E14426

Plane Polarized, E14426

Plane Polarized, E14426