BGS mineralogy and petrology collection record

Sample number E63643; COLLNOKB643;
Sample Donor Not entered
Rock name Rhyolite. 'Original entry: Rhyolite'
Stratigraphy Not entered
Comments Weathered specimen(GROUP= )(FORM= )(MEMB= .)(IE=I)(TEXTURE=
Locality details N of Ty Mawr
50k map sheet Snowdon (119)

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Map reference SH 5725 4181
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


E63643

Cross Polarized, E63643

Plane Polarized, E63643

Plane Polarized, E63643