BGS mineralogy and petrology collection record

Sample number E61610; COLLNOMH1524;
Sample Donor Howells,M.F.
Rock name Tuff.
Stratigraphy Not entered
Comments Peperite ?
Locality details Tyran Mawr
50k map sheet Barmouth (149)

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Map reference SN 6821 1130
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, E61610

Plane Polarized, E61610

Plane Polarized, E61610