BGS mineralogy and petrology collection record

Sample number E49113; COLLNOAP617;
Sample Donor Addison,R.
Rock name Not entered
Stratigraphy Not entered
Comments Tuff, acid
Locality details Cwmglas Mawr, 750m NE of Carnedd Dafydd
50k map sheet Bangor (106)

View images in GeoScenic related to 'Bangor'

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Map reference SH 6686 6346
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


E49113

Cross Polarized, E49113

Plane Polarized, E49113

Plane Polarized, E49113