BGS mineralogy and petrology collection record

Sample number E21864
Sample Donor Shannon,W.G.
Rock name 'Original entry: Albitized & Carbonatized Basalt'
Stratigraphy Not entered
Comments Fine grained nearly spilitic dolerite. Porphyrite.
Locality details Beacon Hill, Parracombe
50k map sheet Ilfracombe (277)

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Map reference SS 666 459
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


E21864

Cross Polarized, E21864

Plane Polarized, E21864

Plane Polarized, E21864