BGS mineralogy and petrology collection record

Sample number	MR23221
Sample Donor	Hollingworth,S.E.
Rock name	'Original entry: Quartz Porphyry'
Stratigraphy	Not entered
Comments	Haweswater Rhyolites, Borrowdale Volcanic Series, Ordovician cf. G.H. Mitchell
Locality details	Stockdale - Mardale Tunnel - 410ft from Mardale tunnel mouth
50k map sheet	Kendal (39) View images in GeoScenic related to 'Kendal' View the geology near 'Kendal'
Map reference	NY 480 130
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions