BGS mineralogy and petrology collection record

Sample number	E7213; COLLNO197;
Sample Donor	Dewey,H.
Rock name	'Original entry: Hornfelsed Lava'
Stratigraphy	Not entered
Comments	Green mica.
Locality details	Tregunnan.
50k map sheet	Tavistock (337) View images in GeoScenic related to 'Tavistock' View the geology near 'Tavistock'
Map reference	SX 242 833
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.