BGS mineralogy and petrology collection record

Sample number MR21080
Sample Donor Not entered
Rock name Diorite. 'Original entry: Diorite - Pre-Cambrian'
Stratigraphy Proterozoic.
Comments Diorite - Pre-Cambrian,Pre-Cambrian,Collected byT.G. Jones J21
Locality details Knaveston Quarry,Knaveston, 1 mile east of Brawdy, Pembrokeshire,
50k map sheet St. Davids (209)

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Map reference SM 87 24
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions