BGS mineralogy and petrology collection record

Sample number MR21098
Sample Donor Not entered
Rock name Rhyolite. 'Original entry: Devitrified Rhyolite'
Stratigraphy Not entered
Comments Devitrified rhyolite,Collected byT.G. Jones J201
Locality details Quarry south of road, a quarter of a mile east of Treneved, Llanrian, Pembrokeshire,
50k map sheet St. Davids (209)

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Map reference SM 828 316
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions