BGS mineralogy and petrology collection record

Sample number E44779; COLLNOMH538;
Sample Donor Howells,M.F.
Rock name Not entered
Stratigraphy Not entered
Comments Flow banded rhyolite
Locality details SE of Glyder Fach
50k map sheet Bangor (106)

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Map reference SH 6663 5752
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


E44779

Cross Polarized, E44779

Plane Polarized, E44779

Plane Polarized, E44779