BGS mineralogy and petrology collection record

Sample number E27893
Sample Donor Adams,P.J.
Rock name Not entered
Stratigraphy Not entered
Comments SARSEN
Locality details DEPTH 35' IN GRAVEL PIT ON NORTH ORBITAL ROAD AT COLNEY HEATH
50k map sheet Hertford (239)

View images in GeoScenic related to 'Hertford'

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Map reference TL 193 058
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


E27893

Cross Polarized, E27893

Plane Polarized, E27893

Plane Polarized, E27893