BGS mineralogy and petrology collection record

Sample number MR21428
Sample Donor Not entered
Rock name Clay (Undifferentiated). 'Original entry: Mottled Clay'
Stratigraphy Palaeocene. Reading Formation.
Comments Mottled Clay,Reading Beds,Clay,Collected byK Chaperlin
Locality details Quarry, 1/4 ml NW of St.Mary's Church Harefield
50k map sheet Beaconsfield (255)

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Map reference TQ 049 898
Year collected 1957 
Bore name Not applicable
Confidentiality No restrictions