BGS mineralogy and petrology collection record

Sample number MR4029
Sample Donor Not entered
Rock name Chert. 'Original entry: Grey-Black Nodular Chert With Sponge Spicules'
Stratigraphy Albian. Upper Greensand Formation.
Comments Grey-black nodular chert with sponge spicules,Upper Greensand,Lower Cretaceous,
Locality details Qy. at Longbridge Deverill, Warminster,
50k map sheet Wincanton (297)

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Map reference ST 863 408
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions