BGS mineralogy and petrology collection record

Sample number	E12496; COLLNOSEH15;
Sample Donor	Hollingworth,S.E.
Rock name	Dolerite (Synonymous With Microgabbro). 'Original entry: Quartz Dolerite'
Stratigraphy	Not entered
Comments	Marginal type. Junc. of porphy. type of granophyre with basic rock
Locality details	Middle of Crags. E of Crag Fell at 1200 ft.
50k map sheet	Whitehaven (28) View images in GeoScenic related to 'Whitehaven' View a geological map near 'Whitehaven'
Map reference	NY 103 144
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.