BGS mineralogy and petrology collection record

Sample number	E7217; COLLNO201; PHOTOM756;
Sample Donor	Dewey,H.
Rock name	Basalt. 'Original entry: Spilite'
Stratigraphy	Not entered
Comments	Highly vesicular. A few lenticles of slaggy chlorotised rock.
Locality details	Crag N. of Trelawney.
50k map sheet	Tavistock (337) View images in GeoScenic related to 'Tavistock' View a geological map near 'Tavistock'
Map reference	SX 216 834
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.