BGS mineralogy and petrology collection record

Sample number E67111; COLLNOWPRQQ4;
Sample Donor Pratt, W.
Rock name 'Original entry: Rhyolite'
Stratigraphy Not entered
Comments Rhyolite
Locality details 760 m at 056 deg from Cwmrhyfffor Farm
50k map sheet Barmouth (149)

View images in GeoScenic related to 'Barmouth'

View the geology near 'Barmouth'

Map reference SH 7430 1245
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


E67111

Cross Polarized, E67111

Plane Polarized, E67111

Plane Polarized, E67111