BGS mineralogy and petrology collection record

Sample number E62036; COLLNOGW74;
Sample Donor Woodhall, D.G.
Rock name Rhyolite.
Stratigraphy Not entered
Comments Tuff
Locality details 900 m 253 deg from Bryn Brith; 5.4 Km NE of Fairbourne Stn.
50k map sheet Barmouth (149)

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Map reference SH 6559 1509
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, E62036

Plane Polarized, E62036

Plane Polarized, E62036