BGS mineralogy and petrology collection record

Sample number	E8063; COLLNO3;
Sample Donor	Barrow, G.
Rock name	Hornfels. 'Original entry: Hornfels'
Stratigraphy	Not entered
Comments	Muscovite, biotite (Pinite after cordierite).
Locality details	Near granite, Treborland Mine.
50k map sheet	Tavistock (337) View images in GeoScenic related to 'Tavistock' View a geological map near 'Tavistock'
Map reference	SX 238 794
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.