BGS mineralogy and petrology collection record

Sample number E67096; COLLNOWPRS15;
Sample Donor Pratt, W.
Rock name 'Original entry: Tuff'
Stratigraphy Not entered
Comments Craig Caw Formation. Tuff
Locality details 370 m at 246 deg from Tynfach
50k map sheet Barmouth (149)

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View the geology near 'Barmouth'

Map reference SH 6701 0930
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


E67096

Cross Polarized, E67096

Plane Polarized, E67096

Plane Polarized, E67096