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 the geology 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.