BGS mineralogy and petrology collection record

Sample number	E57188
Sample Donor	Dangerfield,J.; Hawkes,J.R.; Wheatley, C.W.;
Rock name	'Original entry: Granite'
Stratigraphy	Not entered
Comments	Fine granite with biotite.
Locality details	Boulders, 0.67 Km. at 307 deg. from Siblyback Farm.
50k map sheet	Tavistock (337) View images in GeoScenic related to 'Tavistock' View the geology near 'Tavistock'
Map reference	SX 2290 7320
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.