BGS mineralogy and petrology collection record

Sample number E21950
Sample Donor Shannon,W.G.
Rock name 'Original entry: Quartz-Dolerite'
Stratigraphy Not entered
Comments Coarse dolerite. No rock
Locality details Top Were Hill, nr. Wolfsgrove
50k map sheet Newton Abbot (339)

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Map reference SX 89 74
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


E21950

Cross Polarized, E21950

Plane Polarized, E21950

Plane Polarized, E21950