BGS mineralogy and petrology collection record

Sample number E61634; COLLNOMH1548;
Sample Donor Howells,M.F.
Rock name Tuff.
Stratigraphy Not entered
Comments f-9, Acid rhyolite/tuff
Locality details S of Uwchygarreg
50k map sheet Barmouth (149)

View images in GeoScenic related to 'Barmouth'

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Map reference SN 6693 1106
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


Cross Polarized, E61634

Plane Polarized, E61634

Plane Polarized, E61634