BGS mineralogy and petrology collection record

Sample number	E30857; COLLNOJW272;
Sample Donor	Wright,J.E.
Rock name	'Original entry: Hornblende Bearing Chert'
Stratigraphy	Not entered
Comments	? Fine grained basic igneous rock. Probably concordant sheet.
Locality details	Watermain trench, 670 Yds. E. at 5 deg. N. of Drewsteignton Church.
50k map sheet	Okehampton (324) View images in GeoScenic related to 'Okehampton' View the geology near 'Okehampton'
Map reference	SX 743 909
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.