BGS mineralogy and petrology collection record

Sample number	E11461; COLLNOJAH3990;
Sample Donor	Howe,J.A.
Rock name	'Original entry: Ganister (Average Grains Abt 0.075)'
Stratigraphy	Not entered
Comments	REFRACTORY ROCKS "GANISTER" SAMPLE No.3990
Locality details	SHEFFIELD
50k map sheet	Sheffield (100) View images in GeoScenic related to 'Sheffield' View the geology near 'Sheffield'
Map reference	SK 35 87
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.