BGS mineralogy and petrology collection record

Sample number E20177
Sample Donor Butler,A.J.
Rock name Calcite-Mudstone. 'Original entry: Calcite Mudstone'
Stratigraphy Not entered
Comments Lower Limestone, Division D, 3" band 3' 2" below Lower Stromatoproid bed.
Locality details Wren's Nest Hill, Dudley, 30B (Type section). Pillar 1.
50k map sheet Dudley (167)

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Map reference SO 93 91
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


E20177

Cross Polarized, E20177

Plane Polarized, E20177

Plane Polarized, E20177