BGS mineralogy and petrology collection record

Sample number E22780
Sample Donor Dunham,K.C.
Rock name 'Original entry: Devitrified Porphyriric Rhyolite'
Stratigraphy Not entered
Comments ENQUIRY PER. K.C.D. Pebble from Boulder Clay
Locality details Top of beach Whenton Gaps, Nr. Cromer
50k map sheet Cromer (131)

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Map reference TG 21 42
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


E22780

Cross Polarized, E22780

Plane Polarized, E22780

Plane Polarized, E22780