BGS mineralogy and petrology collection record

Sample number E21661
Sample Donor D'Arcy Boring; Dunham, A.C.;
Rock name 'Original entry: Sphaerosiderite Siltstone'
Stratigraphy Not entered
Comments Duplicate in tank
Locality details Knapthorne No G1
50k map sheet Ollerton (113)

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Map reference SK 7429 5843
Year collected Not entered 
Bore name Knapthorpe G1
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


E21661

Cross Polarized, E21661

Plane Polarized, E21661

Plane Polarized, E21661