BGS mineralogy and petrology collection record

Sample number	S44556; COLLNOBO5484;
Sample Donor	Forsyth,I.H.; Specimen from bores (Scotland);
Rock name	'Original entry: ?Tonstein'
Stratigraphy	Not entered
Comments	Parting, ?tonstein, in coal
Locality details	Wellesley Colliery no. 4 underground bore [NT39NE/40]; depth 546 ft 9 in
50k map sheet	North Berwick (41) View images in GeoScenic related to 'North Berwick' View the geology near 'North Berwick'
Map reference	NT 39790 96272
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.