BGS mineralogy and petrology collection record

Sample number S29682
Sample Donor Macgregor,A.G.
Rock name 'Original entry: Contact Altered Microdiorite Or Porphyrite Etc.'
Stratigraphy Not entered
Comments Contact altered microdiorite or porphyrite etc., contact between two types of fine-grained igneous, the whole cut by red granitic vein
Locality details Tincornhll Quarry (E face) 450 yards W 40 deg S of triangulation point 951 Tincornhill
50k map sheet Ayr (14)

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Map reference NS 577 275
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions