BGS mineralogy and petrology collection record

Sample number E50173; E50173/A; E50173/B; COLLNONGB304;
Sample Donor Berridge,N.G.
Rock name Not entered
Stratigraphy Not entered
Comments Weathered ?slaty tuff
Locality details 1360 m 309 deg from Llyn Anafon Spillway
50k map sheet Bangor (106)

View images in GeoScenic related to 'Bangor'

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Map reference SH 6880 7076
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


E50173/A

Cross Polarized, E50173/A

Plane Polarized, E50173/A

Plane Polarized, E50173/A


E50173/B

Cross Polarized, E50173/B

Plane Polarized, E50173/B

Plane Polarized, E50173/B