BGS mineralogy and petrology collection record

Sample number	E57217
Sample Donor	Dangerfield,J.; Hawkes,J.R.; Wheatley, C.W.;
Rock name	'Original entry: Granite'
Stratigraphy	Not entered
Comments	Fine granite with megacrysts.
Locality details	Field boulders, 1.85 Km. at 185 deg. from Altarnum Church.
50k map sheet	Tavistock (337) View images in GeoScenic related to 'Tavistock' View the geology near 'Tavistock'
Map reference	SX 2209 7945
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.