BGS mineralogy and petrology collection record

Sample number E64460; COLLNOTL91;
Sample Donor Not entered
Rock name Rhyolite. 'Original entry: Rhyolite'
Stratigraphy Not entered
Comments "About 1/3 way through intrusion"(GROUP= )(FORM= )(MEMB= .)(IE=I)(TEXTURE=
Locality details N. ridge of Tryfan
50k map sheet Bangor (106)

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Map reference SH 6654 6030
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


E64460

Cross Polarized, E64460

Plane Polarized, E64460

Plane Polarized, E64460