BGS mineralogy and petrology collection record

Sample number E30479; COLLNOC192;
Sample Donor Collins,G.H.
Rock name Wacke. 'Original entry: Greywacke'
Stratigraphy Not entered
Comments Grey slaty sandstone.
Locality details Park Mill Quarry, Chumleigh.
50k map sheet Cholmleigh (309)

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Map reference SS 694 137
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


E30479

Cross Polarized, E30479

Plane Polarized, E30479

Plane Polarized, E30479