BGS mineralogy and petrology collection record

Sample number MR25409; COLLNOC1390;
Sample Donor Collins,G.H.; Dangerfield,J.; Dixon,J.;
Rock name Breccia . 'Original entry: Calcite-Cemented Argillaceous Limestone Breccia'
Stratigraphy Callovian. Oxford Clay Formation.
Comments calcite-cemented argillaceous limestone breccia,Oxford Clay,Jurassic,brick clay,
Locality details Disused pit, 1200yds W20degN of Calvert Station & 1 1/4ml. SE of St.Mary's Church, Twyford
50k map sheet Leighton Buzzard (220)

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Map reference SP 677 250
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions