BGS mineralogy and petrology collection record

Sample number	E56233; COLLNORK1385;
Sample Donor	Knox,R.W.O.
Rock name	Not entered
Stratigraphy	Not entered
Comments	Non shelly clay, 2.0 m. above lignite. (Woolwich Clays).
Locality details	M25, (Aveley) N. bridge excavation.
50k map sheet	Dartford (271) View images in GeoScenic related to 'Dartford' View a geological map near 'Dartford'
Map reference	TQ 576 802
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.