BGS mineralogy and petrology collection record

Sample number E64387; COLLNOTL18;
Sample Donor Not entered
Rock name Tuff. 'Original entry: Acid Ash Flow Tuff'
Stratigraphy Not entered
Comments Base of tuff(GROUP= Snowdon Volcanic Group)(FORM= Lower Crafnant Volc. Fm.)(MEMB= No.3 Tuff.)(IE=E)(TEXTURE=Coarse, blocky
Locality details NE of Capel Curig
50k map sheet Bangor (106)

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Map reference SH 7304 5874
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


E64387

Cross Polarized, E64387

Plane Polarized, E64387

Plane Polarized, E64387