BGS mineralogy and petrology collection record

Sample number E64133; COLLNOKB1133;
Sample Donor Not entered
Rock name Rhyolite. 'Original entry: Rhyolite'
Stratigraphy Not entered
Comments In situ near end of deep adit level(GROUP= Snowdon Volcanic Group)(FORM= )(MEMB= .)(IE=)(TEXTURE=Lt gy, cleaved, with tr py
Locality details Sygun Mine
50k map sheet Snowdon (119)

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Map reference SH 6050 4862
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions