BGS mineralogy and petrology collection record

Sample number E27871
Sample Donor Cave,R.
Rock name Not entered
Stratigraphy Not entered
Comments Upper Cardocian (Nod Glas)
Locality details Tips by the lower adits, Gwmgnnen Mine. 4 ml NW by W of Llanfyllin
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


E27871

Cross Polarized, E27871

Plane Polarized, E27871

Plane Polarized, E27871