BGS mineralogy and petrology collection record

Sample number E63667; COLLNOKB667;
Sample Donor Not entered
Rock name Tuff. 'Original entry: Acid Ash Flow Tuff'
Stratigraphy Not entered
Comments 60m above base(GROUP= Nantmor Group)(FORM= Pitts Head Tuff Fm.)(MEMB= Upper Flow Unit.)(IE=E)(TEXTURE=Welded
Locality details Cwmystradllyn
50k map sheet Snowdon (119)

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Map reference SH 5582 4572
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions