BGS mineralogy and petrology collection record

Sample number E54864; COLLNOLA1001;
Sample Donor Allen,P.M.
Rock name Metadiorite. 'Original entry: Microtonalite'
Stratigraphy Not entered
Comments Microtonalite.
Locality details 540 m. at 48 deg. from North Hill Farm.
50k map sheet St. Davids (209)

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Map reference SM 9471 2543
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions