BGS mineralogy and petrology collection record

Sample number	E19500; COLLNOKD200;
Sample Donor	Dunham,K.C.
Rock name	'Original entry: Comby Vein Quartz Cementing A Breccia Of Silicified Rock'
Stratigraphy	Not entered
Comments	Great Sulphur vein Breccia Zone
Locality details	Sir John's level 1300' SE. of level mouth
50k map sheet	Alston (25) View images in GeoScenic related to 'Alston' View the geology near 'Alston'
Map reference	NY 762 378
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.