BGS mineralogy and petrology collection record

Sample number E64278; COLLNOKB1278;
Sample Donor Not entered
Rock name Rhyolite. 'Original entry: Rhyolite'
Stratigraphy Not entered
Comments (GROUP= Llanvirn)(FORM= )(MEMB= .)(IE=I)(TEXTURE=
Locality details Foel Gron quarry
50k map sheet Snowdon (119)

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Map reference SH 7440 4294
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, E64278

Plane Polarized, E64278

Plane Polarized, E64278