BGS mineralogy and petrology collection record

Sample number E21924
Sample Donor Shannon,W.G.
Rock name Felsite. 'Original entry: Quartz Porphyry'
Stratigraphy Not entered
Comments Orthophyre. No rock. Pebbles from Permian breccias.
Locality details Shaldon.
50k map sheet Newton Abbot (339)

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Map reference SX 932 722
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


E21924

Cross Polarized, E21924

Plane Polarized, E21924

Plane Polarized, E21924