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 the geology near 'Tavistock'
Map reference
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.