BGS mineralogy and petrology collection record

Sample number E3137; COLLNOAJJB28;
Sample Donor Brown, A.J.J.
Rock name 'Original entry: Marcosite Glaucosite Forams In Chalcedonic Silica Quartz Feldspar'
Stratigraphy Not entered
Comments Not entered
Locality details BORING AT GUBBLECOTE 5 1/2M N OF E OF AYLESBURY
50k map sheet Aylesbury (238)

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Map reference SP 91 15
Year collected Not entered 
Bore name Gobblecole
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


E3137

Cross Polarized, E3137

Plane Polarized, E3137

Plane Polarized, E3137