BGS mineralogy and petrology collection record

Sample number E64295; COLLNOKB1295;
Sample Donor Not entered
Rock name Rhyolite. 'Original entry: Rhyolite'
Stratigraphy Not entered
Comments (GROUP= )(FORM= )(MEMB= .)(IE=E)(TEXTURE=Flow banded
Locality details South of Llynnan Gamallt
50k map sheet Snowdon (119)

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Map reference SH 7490 4360
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


E64295

Cross Polarized, E64295

Plane Polarized, E64295

Plane Polarized, E64295