BGS mineralogy and petrology collection record

Sample number MR25054
Sample Donor Collins,G.H.
Rock name 'Original entry: Rhyolite'
Stratigraphy Not entered
Comments Porcellanite. NGR as in register.
Locality details Quarry name: Highgate quarry: at 250 yds at N 65 degrees E of Cuffern rocks. and 1 1/2ml NE of St.Mary's Church, Roch Pembrokeshire
50k map sheet St. Davids (209)

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Map reference SM 901 224
Year collected 1961 
Bore name Not applicable
Confidentiality No restrictions