BGS mineralogy and petrology collection record

Sample number E21842
Sample Donor Shannon,W.G.
Rock name 'Original entry: ? Altered Quartz Porphyrite'
Stratigraphy Not entered
Comments Basalt. No rock. Pebbles from Permian breccias.
Locality details Labrador.
50k map sheet Newton Abbot (339)

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Map reference SX 935 708
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


E21842

Cross Polarized, E21842

Plane Polarized, E21842

Plane Polarized, E21842