BGS mineralogy and petrology collection record

Sample number MR25506; COLLNOHM580;
Sample Donor Francis, J.G.; Macdonald,H.A.H.; Sanderson,R.W.;
Rock name 'Original entry: Limestone'
Stratigraphy Upper Cretaceous. Upper Cretaceous. Melbourn Rock Middle Chalk
Comments Chalk with large nodules.. NGR as in register.
Locality details Ichnield Way quarry: at 1500 yds S of S.Mary's Church Ivinghoe
50k map sheet Aylesbury (238)

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Map reference SP 946 147
Year collected 1961 
Bore name Not applicable
Confidentiality No restrictions