BGS mineralogy and petrology collection record

Sample number MR25491; COLLNOHM569;
Sample Donor Francis, J.G.; Macdonald,H.A.H.; Sanderson,R.W.;
Rock name 'Original entry: Limestone'
Stratigraphy Upper Cretaceous. Upper Cretaceous. Lower Chalk
Comments Light grey chalk, nodules from Lower chalk.. NGR as in register.
Locality details Houghton Regis quarry: at 1/2 mile SW of All Saint's Church, Houghton Regis
50k map sheet Leighton Buzzard (220)

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Map reference TL 010 235
Year collected 1961 
Bore name Not applicable
Confidentiality No restrictions