BGS mineralogy and petrology collection record

Sample number	E56262; COLLNORK1565;
Sample Donor	Knox,R.W.O.
Rock name	Not entered
Stratigraphy	Not entered
Comments	Concretion (with ash layer) from Harwich Harbour. London Clay.
Locality details	Wrabness. Loose black.
50k map sheet	Colchester (224) View images in GeoScenic related to 'Colchester' View a geological map near 'Colchester'
Map reference	TM 018 032
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions