BGS mineralogy and petrology collection record

Sample number E14380
Sample Donor Matley, C.A
Rock name 'Original entry: Volcanic Rock'
Stratigraphy Not entered
Comments Second dyke up the valley
Locality details Quary on E side of Nant Boolas
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


E14380

Cross Polarized, E14380

Plane Polarized, E14380

Plane Polarized, E14380