BGS mineralogy and petrology collection record

Sample number E63233; COLLNOKB233;
Sample Donor Not entered
Rock name Tuff. 'Original entry: Hyaloclastite'
Stratigraphy Not entered
Comments Pillow fragments and heavily pyritised(GROUP= )(FORM= Dolgarrog Volcanic Fm.)(MEMB= .)(IE=E)(TEXTURE=Crystal rich
Locality details Cae Coch area, forest rd.
50k map sheet Bangor (106)

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Map reference SH 7777 6523
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions