BGS mineralogy and petrology collection record

Sample number E25312; COLLNO6;
Sample Donor Phemister,J.
Rock name 'Original entry: Contorted Phyllitic Siltstone'
Stratigraphy Not entered
Comments 4 specimens showing varieties of greenish rock from hard sandstone to soft greasy green shale or mudstone which form the sedimentary series here.
Locality details Sillery Beach, Lynmouth.
50k map sheet Ilfracombe (277)

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Map reference SS 741 498
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


E25312

Cross Polarized, E25312

Plane Polarized, E25312

Plane Polarized, E25312