BGS mineralogy and petrology collection record

Sample number MR29306; COLLNOZF402;
Sample Donor Collins,G.H.; Halley,D.N.;
Rock name 'Original entry: Porphyrite'
Stratigraphy Devonian. Devonian. Lower Old Red Sandstone
Comments Porphyrite. NGR as in register.
Locality details Tongland Quarry, on A711 at north edge of Tongland. 2.25 miles north-north-east 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