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 a geological map 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.