BGS mineralogy and petrology collection record

Sample number	E12940; COLLNO28;
Sample Donor	Robertson,T.
Rock name	Not entered
Stratigraphy	Not entered
Comments	Archean core of Malvern Hills. Z 20
Locality details	Colewall Old Tunnel, 3418 ft from W face
50k map sheet	Worcester (199) View images in GeoScenic related to 'Worcester' View a geological map near 'Worcester'
Map reference
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.