BGS mineralogy and petrology collection record

Sample number E47692; E47692/A; E47692/B; COLLNOBLF8511;
Sample Donor Berridge,N.G.
Rock name 'Original entry: Porphyritic Andesite Lava'
Stratigraphy Not entered
Comments Fault crush
Locality details Cox's Walk BH, Nr. Sedgebrook
50k map sheet Grantham (127)

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Map reference SK 8412 3808
Year collected Not entered 
Bore name Cox'S Walk, Sedgebrook
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


E47692/A

Cross Polarized, E47692/A

Plane Polarized, E47692/A

Plane Polarized, E47692/A


E47692/B

Cross Polarized, E47692/B

Plane Polarized, E47692/B

Plane Polarized, E47692/B