BGS mineralogy and petrology collection record

Sample number	E30886; COLLNOJW307;
Sample Donor	Wright,J.E.
Rock name	'Original entry: Quartz Sericite Chlorite Rock (Spotted Argillaceous Silt)'
Stratigraphy	Not entered
Comments	Spotted hornfelsed ? sandstone. From aureole of Dartmoor Granite.
Locality details	N. face of Quarry, 1750 Yds. W. 17 deg. S. of Drewsteignton Church.
50k map sheet	Okehampton (324) View images in GeoScenic related to 'Okehampton' View the geology near 'Okehampton'
Map reference	SX 720 907
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.