BGS mineralogy and petrology collection record

Sample number E63668; COLLNOKB668;
Sample Donor Not entered
Rock name Tuff. 'Original entry: Reworked Acid Tuff'
Stratigraphy Not entered
Comments (GROUP= Snowdon Volcanic Group)(FORM= Lower Rhyolitic Tuff Fm.)(MEMB= .)(IE=)(TEXTURE=Reworked, bedded
Locality details Cwmystradllyn
50k map sheet Snowdon (119)

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Map reference SH 5573 4569
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions