BGS mineralogy and petrology collection record

Sample number E28158
Sample Donor Wright,J.E.
Rock name Metadolostone. 'Original entry: Tuff, Tonstein'
Stratigraphy Not entered
Comments 6" Map (and quarter sheet). ?Var. of Tonstein. From 3" band lying immediately below 2" coal & at top of seat earth; coal probably member of Norton Group lying below Kilburn coal. (Lower Coal Measures).
Locality details Blackfordby No.2 (1958) BH 445 yards 218 and a half degrees from N.W. corner of Blackfordby Church at 192' 10".
50k map sheet Loughborough (141)

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Map reference SK 327 178
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


E28158

Cross Polarized, E28158

Plane Polarized, E28158

Plane Polarized, E28158