BGS mineralogy and petrology collection record

Sample number E64217; COLLNOKB1217;
Sample Donor Not entered
Rock name Rhyolite. 'Original entry: Rhyolite Composite'
Stratigraphy Not entered
Comments 50m S of Pen yr allt farm(GROUP= )(FORM= )(MEMB= .)(IE=I)(TEXTURE=
Locality details Croesor
50k map sheet Snowdon (119)

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Map reference SH 6318 4394
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


E64217

Cross Polarized, E64217

Plane Polarized, E64217

Plane Polarized, E64217