BGS mineralogy and petrology collection record

Sample number E27771; COLLNOMR21429;
Sample Donor Hestor,S.W.
Rock name Not entered
Stratigraphy Not entered
Comments Brown Sand Reading Beds [ upper llanevian] Heavy minerals
Locality details Quarry 1/4m NW. of Harefield church
50k map sheet Beaconsfield (255)

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Map reference TQ 050 900
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


Cross Polarized, E27771

Plane Polarized, E27771

Plane Polarized, E27771