BGS mineralogy and petrology collection record

Sample number E49410; COLLNORN83;
Sample Donor Reedman,A.J.
Rock name Not entered
Stratigraphy Not entered
Comments Rubbly stony rhyolite
Locality details 400 m WSW of Summit of Foel Grach
50k map sheet Bangor (106)

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Map reference SH 6841 6578
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


E49410

Cross Polarized, E49410