BGS mineralogy and petrology collection record

Sample number E63969; COLLNOKB969;
Sample Donor Not entered
Rock name Tuff. 'Original entry: Acid Ash Flow Tuff'
Stratigraphy Not entered
Comments ?cleaved rhyolite or acid tuff 102m at end of adit(GROUP= Snowdon Volcanic Group)(FORM= Lower Rhyolitic Tuff Fm.)(MEMB= .)(IE=E)(TEXTURE=
Locality details Britannia mine
50k map sheet Snowdon (119)

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Map reference SH 6174 5489
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions