BGS mineralogy and petrology collection record

Sample number	E57172; MR34453; COLLNOB4;
Sample Donor	Dangerfield,J.; Hawkes,J.R.; Wheatley, C.W.;
Rock name	'Original entry: Granite Tourmaline'
Stratigraphy	Not entered
Comments	Tourmalinised granite.
Locality details	Boulders, 1800 m. at 270 deg. from Caradon Hill.
50k map sheet	Tavistock (337) View images in GeoScenic related to 'Tavistock' View a geological map near 'Tavistock'
Map reference	SX 255 708
Year collected	1979
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.