BGS mineralogy and petrology collection record

Sample number E65154; COLLNOGW275;
Sample Donor Woodhall, D.G.
Rock name Not entered
Stratigraphy Not entered
Comments Porphyritic basalt (tuff ?)
Locality details Garthgynfawr; SW of Cross Foxes Hotel
50k map sheet Barmouth (149)

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Map reference SH 7512 1580
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


E65154

Cross Polarized, E65154

Plane Polarized, E65154

Plane Polarized, E65154