BGS mineralogy and petrology collection record

Sample number	E20316; MR16358;
Sample Donor	Phemister,J.
Rock name	Not entered
Stratigraphy	Not entered
Comments	Granite boulder from L3 Chalk
Locality details	Croydon. Purley
50k map sheet	South London (270) View images in GeoScenic related to 'South London' View a geological map near 'South London'
Map reference	TQ 3120 6125
Year collected	0
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.