BGS mineralogy and petrology collection record

Sample number E304
Sample Donor Ward, J.C.
Rock name Porphyry. 'Original entry: Felsite'
Stratigraphy Not entered
Comments Not entered
Locality details Aran Benlynn
50k map sheet Bala (136)

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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


E304

Cross Polarized, E304

Plane Polarized, E304

Plane Polarized, E304