BGS mineralogy and petrology collection record

Sample number	E37977; COLLNOKS102;
Sample Donor	Siddiqui,K.S.
Rock name	Not entered
Stratigraphy	Not entered
Comments	Very fissile laminated easily parting along bedding planes heavily coated with Muscavite
Locality details	As above 8' below top of boulder clay
50k map sheet	Chesterfield (112) View images in GeoScenic related to 'Chesterfield' View a geological map near 'Chesterfield'
Map reference	SK 3421 6164
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.