BGS mineralogy and petrology collection record

Sample number E63363; COLLNOKB363;
Sample Donor Not entered
Rock name Rhyolite. 'Original entry: Rhyolite Composite'
Stratigraphy Not entered
Comments 2m from contact with mudstones (litho felsitic)(GROUP= )(FORM= )(MEMB= .)(IE=I)(TEXTURE=Fine-grained
Locality details Garregelldrem
50k map sheet Snowdon (119)

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Map reference SH 6151 4313
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, E63363

Plane Polarized, E63363

Plane Polarized, E63363