BGS mineralogy and petrology collection record

Sample number E20921; COLLNOJHT210;
Sample Donor Taylor,J.H.
Rock name Limestone. 'Original entry: Limestone'
Stratigraphy Middle Jurassic. Great Oolite Limestone [Obsolete: Use Bwl, Cfdo, Gog, Irch, Whl].
Comments shell fragment limestone, sandy
Locality details Twywell Ironstone Pit 800 y SW of church at Twywell
50k map sheet Kettering (171)

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Map reference SP 942 780
Year collected
Bore name Not applicable
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


E20921

Cross Polarized, E20921

Plane Polarized, E20921

Plane Polarized, E20921