BGS mineralogy and petrology collection record

Sample number E63414; COLLNOKB414;
Sample Donor Not entered
Rock name Rhyolite. 'Original entry: Rhyolite'
Stratigraphy Not entered
Comments Was PK25; intrusion or lava in 3rd acid unit. Llanvirn-Llandeilo? Tuff along srike is PND 123.(GROUP= )(FORM= )(MEMB= .)(IE=)(TEXTURE=
Locality details Arans
50k map sheet Bala (136)

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Map reference SH 8320 1960
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions