BGS mineralogy and petrology collection record

Sample number E40340; COLLNOCE240;
Sample Donor Evans,C.D.R.
Rock name Not entered
Stratigraphy Not entered
Comments Green porphyritic andesite. Foel Fras Intrusion.
Locality details 3240 ft, 53 deg E of N of Ol Levelin Afon Wen
50k map sheet Bangor (106)

View images in GeoScenic related to 'Bangor'

View a geological map near 'Bangor'

Map reference SH 6875 6680
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


E40340

Cross Polarized, E40340

Plane Polarized, E40340

Plane Polarized, E40340