BGS mineralogy and petrology collection record

Sample number MR16636
Sample Donor Not entered
Rock name Porphyry. 'Original entry: Quartz-Feldspar-Porphyry - Acid Central Member Of Bennan Composite Sill - Tertia'
Stratigraphy Not entered
Comments Quartz-feldspar-porphyry - acid central member of Bennan composite sill - Tertiary (Anal),igneous, M2465
Locality details Quarry half a mile W.S.W. of Levencorroch, Arran,
50k map sheet Arran (13)

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Map reference NR 999 214
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions