BGS mineralogy and petrology collection record

Sample number MR13467
Sample Donor Not entered
Rock name Porphyry. 'Original entry: Porphyrite (Chem. Anal. 145) - Dyke - Lower Old Red Sandstone'
Stratigraphy Lower Devonian. Lower Old Red Sandstone Group [Obsolete: Use Daug].
Comments Porphyrite (chem. Anal. 145) - Dyke - Lower Old Red Sandstone,Lower Old Red Sandstone,igneous, 1967
Locality details 50 yards of Quarry in Horn Burn, 0.5 miles N.E. of Barbeth, E.S.E. of Darvel, Ayrshire,
50k map sheet Kilmarnock (22)

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Map reference NS 6049 3665
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions