BGS mineralogy and petrology collection record

Sample number E30846; COLLNOJW255;
Sample Donor Wright,J.E.
Rock name Siltstone (Undifferentiated). 'Original entry: Micaceous Siltstone'
Stratigraphy Not entered
Comments Brown weathering, dark grey, micaceous sandstone from us from 3' band culm.
Locality details Stream section, 790 Yds. W. at 20 deg. N. of Woodbrooke.
50k map sheet Okehampton (324)

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Map reference SX 771 910
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


E30846

Cross Polarized, E30846

Plane Polarized, E30846

Plane Polarized, E30846