BGS mineralogy and petrology collection record

Sample number	E18459; COLLNOJS.233;
Sample Donor	Stephens,J.V.
Rock name	'Original entry: Fibreous Material - Non Ashy Probably Shale'
Stratigraphy	Not entered
Comments	Fine grained bed at base of Toadstone? Washed Tuff.
Locality details	Mill Close Mine, Darley Bridge, 129 Stone Drive
50k map sheet	Chesterfield (112) View images in GeoScenic related to 'Chesterfield' View the geology near 'Chesterfield'
Map reference	SK 259 624
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.