BGS mineralogy and petrology collection record

Sample number	E23511
Sample Donor	Dunham,K.C.; Hollingworth,S.E.;
Rock name	'Original entry: Corderite, Biotite Hornfels'
Stratigraphy	Not entered
Comments	Dark hornfels
Locality details	Grainsgill Beck, 1160 yds WNW of Grainsgill Beck and R. Caldew Junc.
50k map sheet	Cockermouth (23) View images in GeoScenic related to 'Cockermouth' View the geology near 'Cockermouth'
Map reference	NY 3380 3290
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.