BGS mineralogy and petrology collection record

Sample number	E5374; E5374/A;
Sample Donor	Usher,W.A.E.
Rock name	Porphyry. 'Original entry: Sheared Felsite'
Stratigraphy	Not entered
Comments	Not entered
Locality details	Tucker Mill Head. S of Cornwood
50k map sheet	Ivybridge (349) View images in GeoScenic related to 'Ivybridge' View a geological map near 'Ivybridge'
Map reference	SX 603 591
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.