BGS mineralogy and petrology collection record

Sample number	E7166; COLLNO31;
Sample Donor	Sherlock,R.
Rock name	'Original entry: Ophitic Diabase (Decomposed)'
Stratigraphy	Not entered
Comments	Not entered
Locality details	About 400 Yds. W. of Langston Brentor.
50k map sheet	Tavistock (337) View images in GeoScenic related to 'Tavistock' View the geology near 'Tavistock'
Map reference	SX 477 826
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.