BGS mineralogy and petrology collection record

Sample number	E52742; MR34905; COLLNODX1844;
Sample Donor	Merriman,R.J.
Rock name	Mineral-Type-Claystone (Unspecified Mineral). 'Original entry: Clay'
Stratigraphy	Not entered
Comments	Basal London Clay.
Locality details	IGS Wormingford Mere BH. near Colchester. (depth 12.10-12.15)
50k map sheet	Braintree (223) View images in GeoScenic related to 'Braintree' View the geology near 'Braintree'
Map reference	TL 9267 3262
Year collected	1980
Bore name	Igs Wormingford Mere Bh.
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.