BGS mineralogy and petrology collection record

Sample number E16652; COLLNOA257;
Sample Donor Reynolds, Professor
Rock name Rhyolite. 'Original entry: Rhyolite'
Stratigraphy Not entered
Comments SE margin of Greenstone
Locality details Mynydd Gader
50k map sheet Barmouth (149)

View images in GeoScenic related to 'Barmouth'

Map reference Not entered
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


E16652

Cross Polarized, E16652

Plane Polarized, E16652

Plane Polarized, E16652