BGS mineralogy and petrology collection record

Sample number	E18533; COLLNOKD9;
Sample Donor	Dunham,K.C.
Rock name	'Original entry: Altered Lamprophyre'
Stratigraphy	Not entered
Comments	LAMPROPHYRE DYKE IN STOCKDALE SHALES
Locality details	CRONKLEY PENCIL MILL
50k map sheet	Brough (31) View images in GeoScenic related to 'Brough' View the geology near 'Brough'
Map reference	NY 848 296
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.