BGS mineralogy and petrology collection record

Sample number E27770; COLLNOMR21430;
Sample Donor Hestor,S.W.
Rock name Not entered
Stratigraphy Not entered
Comments Green Sand Reading Beds [lower llandevian] heavy minerals
Locality details Park lodge Sandpit, 1/2m E. of Lodge farm Marvil road Harefield
50k map sheet Beaconsfield (255)

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Map reference TQ 061 890
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, E27770

Plane Polarized, E27770

Plane Polarized, E27770