BGS mineralogy and petrology collection record

Sample number E19185; E19185/A; COLLNOJHT88;
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, shells, collophane, quartz, feldspar 4 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 cc-operative Soc 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


E19185

Cross Polarized, E19185

Plane Polarized, E19185

Plane Polarized, E19185


E19185/A

Cross Polarized, E19185/A

Plane Polarized, E19185/A

Plane Polarized, E19185/A