BGS mineralogy and petrology collection record

Sample number E64132; COLLNOKB1132;
Sample Donor Not entered
Rock name 'Original entry: Acid Tuff'
Stratigraphy Not entered
Comments In situ 15m from entrance to deep adit level(GROUP= Snowdon Volcanic Group)(FORM= Lower Rhyolitic Tuff Fm.)(MEMB= .)(IE=E)(TEXTURE=Lt gy with rounded clasts, to 5mm, of qtz and f.g. dk rhyolite
Locality details Sygun Mine
50k map sheet Snowdon (119)

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Map reference SH 6050 4874
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions