BGS mineralogy and petrology collection record

Sample number E63470; COLLNOKB470;
Sample Donor Not entered
Rock name Rhyolite. 'Original entry: Rhyolite'
Stratigraphy Not entered
Comments Within BPF and basalts(GROUP= )(FORM= )(MEMB= .)(IE=I)(TEXTURE=Autobrecciated
Locality details Moel yr ogof
50k map sheet Snowdon (119)

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Map reference SH 5562 4773
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, E63470

Plane Polarized, E63470

Plane Polarized, E63470