BGS mineralogy and petrology collection record

Sample number	E30937; COLLNOKB183;
Sample Donor	Beer,K.E.
Rock name	'Original entry: Sandstone (Sub Greywacke Type With Lava Fragments)'
Stratigraphy	Not entered
Comments	No depth details recorded.
Locality details	Water Board hole at North Tawton, 260 Yds.N. 35 deg. E. of Slade Farm.
50k map sheet	Okehampton (324) View images in GeoScenic related to 'Okehampton' View the geology near 'Okehampton'
Map reference	SS 671 021
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.