BGS mineralogy and petrology collection record

Sample number E59450; E59450/A; E59450/B; COLLNOCJ33;
Sample Donor Sumbler, M.G.
Rock name Not entered
Stratigraphy Not entered
Comments Hampen Marly Formation.
Locality details Brash, 175 m. E. of Lerch Bridge.
50k map sheet Cirencester (235)

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Map reference SP 1473 0900
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


E59450/A

Cross Polarized, E59450/A

Plane Polarized, E59450/A

Plane Polarized, E59450/A


E59450/B

Cross Polarized, E59450/B

Plane Polarized, E59450/B

Plane Polarized, E59450/B