BGS mineralogy and petrology collection record

Sample number E63820; COLLNOKB820;
Sample Donor Not entered
Rock name Tuff. 'Original entry: Basic Tuff'
Stratigraphy Not entered
Comments (GROUP= Snowdon Volcanic Group)(FORM= Bedded Pyroclastic Fm.)(MEMB= .)(IE=E)(TEXTURE=Dissem. sulphide
Locality details Cwm Llan
50k map sheet Corwen (120)

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Map reference SH 8211 5230
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions