BGS mineralogy and petrology collection record

Sample number E44777
Sample Donor Worsam,B.C.
Rock name Not entered
Stratigraphy Not entered
Comments Tonstein 70mm thick, forming roof of a coal seam seen for 0.80m, the lowest of three seams exposed in May 1971 and provisionally correlated with P27.
Locality details Willesley Quarry, 900m north and 25 degrees west of Hill Farm, Willesley.
50k map sheet Coalville (155)

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Map reference SK 3275 1560
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


E44777

Cross Polarized, E44777

Plane Polarized, E44777

Plane Polarized, E44777