BGS mineralogy and petrology collection record

Sample number E25045; COLLNOGG241;
Sample Donor Green,G.W.
Rock name 'Original entry: Organic Limestone'
Stratigraphy Not entered
Comments Typical rock from lower Black rock Limestone
Locality details Burrington Combe West twin stream valley
50k map sheet Wells (280)

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Map reference ST 475 582
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


E25045

Cross Polarized, E25045

Plane Polarized, E25045

Plane Polarized, E25045