BGS mineralogy and petrology collection record

Sample number	E17471; COLLNORB1524;
Sample Donor	Barnes,R.
Rock name	'Original entry: Silicious Shale Or Chert'
Stratigraphy	Not entered
Comments	See also PET VOL XXV P365
Locality details	Leyburn, near Richmond
50k map sheet	Richmond (41) View images in GeoScenic related to 'Richmond' View the geology near 'Richmond'
Map reference	SE 111 906
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.