BGS mineralogy and petrology collection record

Sample number	E13794; COLLNO1265;
Sample Donor	Mcmahan
Rock name	Not entered
Stratigraphy	Not entered
Comments	Rock lies on surface in broken pieces.
Locality details	Blackdown, near Brentor Station.
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.