BGS mineralogy and petrology collection record

Sample number E64413; COLLNOTL44;
Sample Donor Not entered
Rock name Rhyolite. 'Original entry: Rhyolite'
Stratigraphy Not entered
Comments Underlying Lower Crafnant Volcanic Formation(GROUP= Nantmor Group)(FORM= Cwm Eigiau Fm.)(MEMB= .)(IE=E)(TEXTURE=
Locality details Forestry Office, Be. y C
50k map sheet Bangor (106)

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Map reference SH 7914 5697
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


E64413

Cross Polarized, E64413

Plane Polarized, E64413

Plane Polarized, E64413