BGS mineralogy and petrology collection record

Sample number E30299; COLLNOHS32;
Sample Donor Squirrell,H.C.
Rock name Wacke. 'Original entry: Sub Greywacke'
Stratigraphy Not entered
Comments Upper coal measures. Sandstone above Brithdir Seam.
Locality details 800 Yds. W. at 18 deg. N. of The Square (Upper Cumdran).
50k map sheet Newport (249)

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Map reference ST 2652 9702
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


E30299

Cross Polarized, E30299

Plane Polarized, E30299

Plane Polarized, E30299