BGS mineralogy and petrology collection record

Sample number E64408; COLLNOTL39;
Sample Donor Not entered
Rock name Rhyolite. 'Original entry: Rhyolite'
Stratigraphy Not entered
Comments Intrusive into Lower Rhyolitic Tuff Formation(GROUP= )(FORM= )(MEMB= .)(IE=I)(TEXTURE=
Locality details Blaen y Nant, Llanb. Pass
50k map sheet Bangor (106)

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Map reference SH 6205 5680
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


Cross Polarized, E64408

Plane Polarized, E64408

Plane Polarized, E64408