BGS mineralogy and petrology collection record

Sample number	E17305; MR15443; COLLNOTJ1318;
Sample Donor	Jones,T.G.
Rock name	Minette. 'Original entry: Biotite Trachyte'
Stratigraphy	Not entered
Comments	Minette
Locality details	Quarry near summit of Dolbury Hill, Killerton
50k map sheet	Exeter (325) View images in GeoScenic related to 'Exeter' View the geology near 'Exeter'
Map reference	SS 974 005
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.