BGS mineralogy and petrology collection record

Sample number E63236; COLLNOKB236;
Sample Donor Not entered
Rock name Tuff. 'Original entry: Basic Tuff'
Stratigraphy Not entered
Comments <0.1% pyrite, ?silicified, ? patches of rhyolite(GROUP= )(FORM= Dolgarrog Volcanic Fm.)(MEMB= .)(IE=E)(TEXTURE=Coarse-grained
Locality details Cae Coch area, forest rd.
50k map sheet Bangor (106)

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Map reference SH 7777 6551
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions