BGS mineralogy and petrology collection record

Sample number S29688
Sample Donor Macgregor,A.G.
Rock name 'Original entry: Contact Altered Hypersthene Porphyrite'
Stratigraphy Not entered
Comments Contact altered hypersthene porphyrite, dark grey felspar-phyric igneous (probably baked)
Locality details Tincornhill about 540 yards S 29 deg W of triangulation point 951
50k map sheet Ayr (14)

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Map reference NS 576 276
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions