BGS mineralogy and petrology collection record

Sample number E21961
Sample Donor Shannon,W.G.
Rock name Basalt. 'Original entry: Porphyritic Spilite'
Stratigraphy Not entered
Comments Not entered
Locality details Henn Point, Saltash
50k map sheet Plymouth (348)

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Map reference
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


E21961

Cross Polarized, E21961

Plane Polarized, E21961

Plane Polarized, E21961