BGS mineralogy and petrology collection record

Sample number E30867; COLLNOJW285;
Sample Donor Wright,J.E.
Rock name Chert. 'Original entry: Chert'
Stratigraphy Not entered
Comments ? Weathered igneous rock or tuff from debris in bank. Probably not much out of place.
Locality details S. side of lane, 660 Yds. W. at 9 deg. N. of Drewsteignton Church.
50k map sheet Okehampton (324)

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Map reference SX 741 909
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


E30867

Cross Polarized, E30867

Plane Polarized, E30867

Plane Polarized, E30867