BGS mineralogy and petrology collection record

Sample number E42693
Sample Donor Hawkes,J.R.
Rock name 'Original entry: Siltstone Greywacke Type'
Stratigraphy Not entered
Comments Fine sandstone. Bude Formation.
Locality details Roadside Quarry, (E. side of road) 1 Km. SSW. of George Nympton Church.
50k map sheet Cholmleigh (309)

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Map reference SS 6954 2206
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


E42693

Cross Polarized, E42693

Plane Polarized, E42693

Plane Polarized, E42693