BGS mineralogy and petrology collection record

Sample number MR7875
Sample Donor Not entered
Rock name Rhyolite. 'Original entry: Rhyolite'
Stratigraphy Arenig.
Comments Rhyolite,Arenig,roadstone,Collected byTG Jones J247
Locality details at Lambstone Farm, NW of Llangynog,
50k map sheet Carmarthen (229)

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Map reference
Year collected 1931 
Bore name Not applicable
Confidentiality No restrictions