BGS mineralogy and petrology collection record

Sample number MR29131; COLLNOZF399;
Sample Donor Collins,G.H.; Halley,D.N.;
Rock name 'Original entry: Porphyrite'
Stratigraphy Lower Devonian. Lower Old Red Sandstone.
Comments Porphyrite. NGR as in register.
Locality details Tongland quarry on A711 at North end of Tongland, 2.25 mile NNE of Kirkcudbright
50k map sheet Kirkcudbright (5)

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Map reference NX 698 543
Year collected 1967 
Bore name Not applicable
Confidentiality No restrictions