BGS mineralogy and petrology collection record

Sample number E42705
Sample Donor Hawkes,J.R.
Rock name Wacke. 'Original entry: Greywacke'
Stratigraphy Not entered
Comments Fine sandstone, Crackington Formation.
Locality details Stream exposure, W. side of trunk bridge and 1.65 Km. SSE. of Chulmleigh Church.
50k map sheet Cholmleigh (309)

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Map reference SS 6819 1577
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


E42705

Cross Polarized, E42705

Plane Polarized, E42705

Plane Polarized, E42705