BGS mineralogy and petrology collection record

Sample number E28876; MR21995;
Sample Donor Not entered
Rock name Microgranite, Porphyritic. 'Original entry: Porphyritic Microgranite Aggregate'
Stratigraphy Not entered
Comments Porphyritic Microgranite Aggregate,Porphyritic Microgranite Aggregate,Collected byRoad Research Lab
Locality details Castle An Dinas Qry.,Penzance,
50k map sheet Penzance (351)

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Map reference SW 487 348
Year collected 1959 
Bore name Not applicable
Confidentiality No restrictions