BGS mineralogy and petrology collection record

Sample number MR24539; COLLNOKC875;
Sample Donor Chaperlin,K.; Sanderson,R.W.;
Rock name 'Original entry: Welded Tuff'
Stratigraphy Not entered
Comments Upper Ignimbrite, Ordovician (Caradocian)
Locality details Base of cliff WSW of Careg-y-Defaid 500ft at 195deg from TrigPoint above Careg-y-Defaid SW of Pwllheli
50k map sheet Pwllheli (134)

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Map reference SH 340 324
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions