BGS mineralogy and petrology collection record

Sample number E63193; COLLNOKB193;
Sample Donor Not entered
Rock name Tuff. 'Original entry: Basic Tuff'
Stratigraphy Not entered
Comments At contact with overlying massive sulphide(GROUP= )(FORM= Dolgarrog Volcanic Fm.)(MEMB= .)(IE=E)(TEXTURE=Very pyritic
Locality details Cae Coch Mine
50k map sheet Bangor (106)

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Map reference SH 7748 6527
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions