BGS mineralogy and petrology collection record

Sample number	E7831; COLLNO217; PHOTOM755;
Sample Donor	Dewey,H.
Rock name	Hornfels. 'Original entry: Spilosite'
Stratigraphy	Not entered
Comments	Bands and spots with patterns.
Locality details	200 Yds. SE. of Roose.
50k map sheet	Tavistock (337) View images in GeoScenic related to 'Tavistock' View a geological map near 'Tavistock'
Map reference
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.