BGS mineralogy and petrology collection record

Sample number E64459; COLLNOTL90;
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)

View images in GeoScenic related to 'Bangor'

View the geology near 'Bangor'

Map reference SH 6663 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


E64459

Cross Polarized, E64459

Plane Polarized, E64459

Plane Polarized, E64459