BGS mineralogy and petrology collection record

Sample number E19796; E19796/A; E19796/B; COLLNOJHT119;
Sample Donor Taylor,J.H.
Rock name Hydroxides And Oxides Of Iron. 'Original entry: Ironstone'
Stratigraphy Middle Jurassic. Northampton Ironstone.
Comments siderite-ironstone with altered chamosite ooliths and collophane 2 ft from top of stone, soft white green (grey) ore
Locality details Lower Brookfield Pit section 39, 130 y E of Brookfield Lodge
50k map sheet Kettering (171)

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Map reference SP 901 920
Year collected
Bore name Not applicable
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


E19796

Cross Polarized, E19796

Plane Polarized, E19796

Plane Polarized, E19796


E19796/A

Cross Polarized, E19796/A

Plane Polarized, E19796/A

Plane Polarized, E19796/A


E19796/B

Cross Polarized, E19796/B

Plane Polarized, E19796/B

Plane Polarized, E19796/B