BGS mineralogy and petrology collection record

Sample number E19184; E19184/A; COLLNOJHT87;
Sample Donor Taylor,J.H.
Rock name Hydroxides And Oxides Of Iron. 'Original entry: Siderite-Ironstone'
Stratigraphy Middle Jurassic. Northampton Ironstone.
Comments sideritic ironstone with ooliths of chamosite and limonite; some quartz and pyrite 2 ft 6 ins below top of Northampton Ironstone
Locality details Old Thorpe Underwood Pit E end of face 300 y SSW of Hospital Farm, Desborough Co-operative Society pit
50k map sheet Market Harborough (170)

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Map reference SP 790 808
Year collected
Bore name Not applicable
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


E19184

Cross Polarized, E19184

Plane Polarized, E19184

Plane Polarized, E19184


E19184/A

Cross Polarized, E19184/A

Plane Polarized, E19184/A

Plane Polarized, E19184/A