BGS mineralogy and petrology collection record

Sample number E63156; COLLNOKB156;
Sample Donor Not entered
Rock name Tuff. 'Original entry: Quartz Latite Ash Flow Tuff'
Stratigraphy Not entered
Comments Just above clast rich tuff. About 20m below top(GROUP= Llewelyn Volcanic Group)(FORM= Foel Fras Volcanic Complex)(MEMB= .)(IE=E)(TEXTURE=Crystal rich, massive
Locality details Isgolion Duon-Nant Fach
50k map sheet Bangor (106)

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Map reference SH 6790 6370
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions