BGS mineralogy and petrology collection record

Sample number	E71496; COLLNODMA25;
Sample Donor	Millward, D.
Rock name	Dacitic-Rock.
Stratigraphy	Borrowdale Volcanic Group.
Comments	Porphyritic Dacite
Locality details	Castle Rock
50k map sheet	Keswick (29) View images in GeoScenic related to 'Keswick' View a geological map near 'Keswick'
Map reference	NY 3216 1959
Year collected	0
Bore name	Not applicable
Confidentiality	No restrictions