BGS mineralogy and petrology collection record

Sample number	E8648; COLLNO269;
Sample Donor	Calloway, G.A.
Rock name	'Original entry: Biotite Gneiss'
Stratigraphy	Not entered
Comments	DR.CALLOWAY COLLECTION Secondary minerals at shear zones in Crystalline rocks of the Malvern Hills.2.J.G.S. vol. 45 p.p. 475-503
Locality details	NORTH OF THE WYCHE MALVERN
50k map sheet	Worcester (199) View images in GeoScenic related to 'Worcester' View the geology near 'Worcester'
Map reference	SO 76 44
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.