BGS mineralogy and petrology collection record

Sample number E18179; MR17105;
Sample Donor Phemister,J.
Rock name Sandstone (Undifferentiated). 'Original entry: Ferruginous Grit.'
Stratigraphy Bagshot Beds [Obsolete: Use Bgs, Brb].
Comments Slipped material from base of Bagshot Beds - outcrop to N Blocks 6' below surface under made ground - Pres by A Gardner Esq.Orley Farm School, South Harrow
Locality details Orley Farm School. 700 yd ESE of South Harrow Station
50k map sheet North London (256)

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Map reference TQ 145 852
Year collected
Bore name Not applicable
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


E18179

Cross Polarized, E18179

Plane Polarized, E18179

Plane Polarized, E18179