BGS mineralogy and petrology collection record

Sample number E52348; COLLNODS542;
Sample Donor Smith,D.B.
Rock name Not entered
Stratigraphy Not entered
Comments ?Algal nodules in patch reef of middle Magresian Limestone
Locality details Nodule bed in centre of SE. side of Gilldlaw quarry 920yd at 353d from Silksworth Hall Silksworth near Sunderland
50k map sheet Sunderland (21)

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Map reference NZ 3756 5371
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions